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MAX3221ECDBRG4中文资料

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FEATURES

APPLICATIONS

DB OR PW PACKAGE

(TOP VIEW)

EN C1+V+C1?C2+C2?V?RIN

DESCRIPTION/ORDERING INFORMATION

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER

WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

?Battery-Powered,Hand-Held,and Portable ?

ESD Protection for RS-232Pins Equipment

–±15kV Human-Body Model (HBM)

?PDAs and Palmtop PCs

–±8kV (IEC 61000-4-2,Contact Discharge)?Notebooks,Subnotebooks,and Laptops –±15kV (IEC 61000-4-2,Air-Gap Discharge)?Digital Cameras

?Meets or Exceeds the Requirements of ?

Mobile Phones and Wireless Devices

TIA/EIA-232-F and ITU v.28Standards ?Operates With 3-V to 5.5-V V CC Supply ?Operates up to 250kbit/s ?One Driver and One Receiver

?Low Standby Current ...1μA Typ ?External Capacitors ...4×0.1μF

?Accepts 5-V Logic Input With 3.3-V Supply ?

Alternative High-Speed Pin-Compatible Device (1Mbit/s)

–SN75C3221E and SN65C3221E

Auto-Powerdown Feature Automatically Disables Drivers for Power Savings

The MAX3221E is a single driver,single receiver RS-232solution operating from a single V CC supply.The RS-232pins provide IEC G1000-4-2ESD Protection.The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector.The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply.These devices operate at data signaling rates up to 250kbit/s and a maximum of 30-V/μs driver output slew rate.

Flexible control options for power management are available when the serial port is inactive.The auto-powerdown feature functions when FORCEON is low and FORCEOFF is high.During this mode of operation,if the device does not sense a valid RS-232signal on the receiver input,the driver output is disabled.If FORCEOFF is set low and EN is high,both the driver and receiver are shut off,and the supply current is reduced to 1μA.Disconnecting the serial port or turning off the peripheral drivers causes the auto-powerdown condition to occur.Auto-powerdown can be disabled when FORCEON and FORCEOFF are high.With auto-powerdown enabled,the device is activated automatically when a valid signal is applied to the receiver input.The INVALID output notifies the user if an RS-232signal is present at the receiver input.INVALID is high (valid data)if the receiver input voltage is greater than 2.7V or less than –2.7V,or has been between –0.3V and 0.3V for less than 30μs.INVALID is low (invalid data)if the receiver input voltage is between –0.3V and 0.3V for more than 30μs.Refer to Figure 5for receiver input levels.

Please be aware that an important notice concerning availability,standard warranty,and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

ORDERING INFORMATION

T A

PACKAGE (1)

ORDERABLE PART NUMBER TOP-SIDE MARKING Tube of 80MAX3221ECDB SSOP –DB

MP221EC Reel of 2000MAX3221ECDBR –0°C to 70°C

Tube of 90MAX3221ECPW TSSOP –PW MP221EC Reel of 2000MAX3221ECPWR Tube of 80MAX3221EIDB SSOP –DB

MP221EI Reel of 2000MAX3221EIDBR –40°C to 85°C

Tube of 90MAX3221EIPW TSSOP –PW

MP221EI

Reel of 2000

MAX3221EIPWR

(1)

Package drawings,standard packing quantities,thermal data,symbolization,and PCB design guidelines are available at https://www.sodocs.net/doc/402656206.html,/sc/package.

FUNCTION TABLES EACH DRIVER (1)

INPUTS

OUTPUT DRIVER STATUS VALID RIN DOUT

DIN FORCEON

FORCEOFF

RS-232LEVEL

X X L X Z Powered off

L H H X H Normal operation with auto-powerdown disabled H H H X L L L H Yes H Normal operation with auto-powerdown enabled H L H Yes L L L H No Z Powered off by

auto-powerdown feature

H L

(1)

H =high level,L =low level,X =irrelevant,Z =high impedance

EACH RECEIVER (1)

INPUTS

OUTPUT VALID RIN ROUT

RIN EN RS-232LEVEL

L L X H H L X L X H X Z Open L

(1)

H =high level,L =low level,X =irrelevant,Z =high impedance (off),Open =disconnected input or connected driver off

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DIN

FORCEOFF

FORCEON

ROUT Absolute Maximum Ratings(1)

Recommended Operating Conditions(1)MAX3221E

3-V TO5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER

WITH15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER2005–REVISED MAY2006

LOGIC DIAGRAM(POSITIVE LOGIC)

over operating free-air temperature range(unless otherwise noted)

MIN MAX UNIT V CC Supply voltage range(2)–0.36V

V+Positive output supply voltage range(2)–0.37V

V–Negative output supply voltage range(2)0.3–7V

V+–V–Supply voltage difference(2)13V

DIN,FORCEOFF,FORCEON,EN–0.36 V I Input voltage range V

RIN–2525

DOUT–13.213.2 V O Output voltage range V

ROUT,INVALID–0.3V CC+0.3

DB package82θJA Package thermal impedance(3)(4)°C/W

PW package108 T J Operating virtual junction temperature150°C

T stg Storage temperature range–65150°C

(1)Stresses beyond those listed under"absolute maximum ratings"may cause permanent damage to the device.These are stress ratings

only,and functional operation of the device at these or any other conditions beyond those indicated under"recommended operating

conditions"is not implied.Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)All voltages are with respect to network GND.

(3)Maximum power dissipation is a function of T J(max),θJA,and T A.The maximum allowable power dissipation at any allowable ambient

temperature is P D=(T J(max)–T A)/θJA.Operating at the absolute maximum T J of150°C can affect reliability.

(4)The package thermal impedance is calculated in accordance with JESD51-7.

See Figure6

MIN NOM MAX UNIT

V CC=3.3V3 3.3 3.6 Supply voltage V

V CC=5V 4.55 5.5

V CC=3.3V2

V IH Driver and control high-level input voltage DIN,FORCEOFF,FORCEON,EN V

V CC=5V 2.4

V IL Driver and control low-level input voltage DIN,FORCEOFF,FORCEON,EN0.8V

V I Driver and control input voltage DIN,FORCEOFF,FORCEON0 5.5V

V I Receiver input voltage–2525V

MAX3221EC070 T A Operating free-air temperature°C

MAX3221EI–4085

(1)Test conditions are C1–C4=0.1μF at V CC=3.3V±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC=5V±0.5V.

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Electrical Characteristics (1)

Driver Section Electrical Characteristics (1)

Driver Section Switching Characteristics (1)

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL

RS-232LINE DRIVER/RECEIVER WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 6)

PARAMETER

TEST CONDITIONS

MIN

TYP (2)MAX UNIT FORCEOFF,I I

Input leakage current

±0.01±1μA FORCEON,EN No load,

Auto-powerdown FORCEOFF and 0.31mA

disabled

FORCEON at V CC V CC =3.3V or 5V,No load,

I CC

Supply current

Powered off 110

T A =25°C

FORCEOFF at GND μA

No load,FORCEOFF at V CC ,Auto-powerdown FORCEON at GND,

enabled

All RIN are open or grounded (1)Test conditions are C1–C4=0.1μF at V CC =3.3V ±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC =5V ±0.5V.(2)

All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 6)

PARAMETER

TEST CONDITIONS

MIN TYP (2)

MAX

UNIT V OH High-level output voltage DOUT at R L =3k ?to GND,DIN =GND 5 5.4V V OL Low-level output voltage DOUT at R L =3k ?to GND,DIN =V CC

–5

–5.4V I IH High-level input current V I =V CC ±0.01±1μA I IL Low-level input current V I =GND ±0.01±1μA V CC =3.6V,V O =0V ±35±60Short-circuit I OS mA output current (3)V CC =5.5V,

V O =0V ±35±60r o Output resistance V CC ,V+,and V–=0V,V O =±2V 300

10M

?V O =±12V,V CC =3V to 3.6V ±25I off Output leakage current

FORCEOFF =GND

μA

V O =±10V,

V CC =4.5V to 5.5V

±25(1)Test conditions are C1–C4=0.1μF at V CC =3.3V ±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC =5V ±0.5V.(2)All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

(3)

Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings,and not more than one output should be shorted at a time.

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 6)

(1)Test conditions are C1–C4=0.1μF at V CC =3.3V ±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC =5V ±0.5V.(2)All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

(3)

Pulse skew is defined as |t PLH –t PHL |of each channel of the same device.

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Receiver Section Electrical Characteristics (1)

Receiver Section Switching Characteristics (1)

ESD Protection

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232

LINE DRIVER/RECEIVER

WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 6)

PARAMETER

TEST CONDITIONS

MIN TYP (2)MAX

UNIT V OH High-level output voltage I OH =–1mA V CC –0.6

V CC –0.1

V V OL Low-level output voltage

I OL =1.6mA 0.4V V CC =3.3V 1.6 2.4V IT+Positive-going input threshold voltage V V CC =5V 1.9 2.4V CC =3.3V 0.6 1.1V IT–Negative-going input threshold voltage V V CC =5V

0.8

1.4V hys Input hysteresis (V IT+–V IT–)0.5V I off Output leakage current EN =V CC

±0.05

±10μA r i Input resistance

V I =±3V to ±25V

k ?

(1)Test conditions are C1–C4=0.1μF at V CC =3.3V ±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC =5V ±0.5V.(2)

All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 6)

(1)Test conditions are C1–C4=0.1μF at V CC =3.3V ±0.3V;C1=0.047μF,C2–C4=0.33μF at V CC =5V ±0.5V.(2)All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

(3)

Pulse skew is defined as |t PLH –t PHL |of each channel of the same device.

NAME

TEST CONDITIONS

TYP UNIT

HBM

±15R IN /D OUT

IEC G1000-4-2Contact Discharge ±8kV IEC G1000-4-2Air-Gap Discharge

±15

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Auto-Powerdown Section Electrical Characteristics

Auto-Powerdown Section Switching Characteristics

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 5)

PARAMETER

TEST CONDITIONS

MIN

MAX UNIT Receiver input threshold

V T+(valid)FORCEON =GND,FORCEOFF =V CC 2.7

V for INVALID high-level output voltage Receiver input threshold

V T–(valid)FORCEON =GND,FORCEOFF =V CC –2.7V for INVALID high-level output voltage Receiver input threshold

V T(invalid)FORCEON =GND,

FORCEOFF =V CC

–0.30.3

V for INVALID low-level output voltage I OH =–1mA,FORCEON =GND,V OH INVALID high-level output voltage V CC –0.6

V FORCEOFF =V CC

I OL =1.6mA,FORCEON =GND,V OL

INVALID low-level output voltage

0.4V

FORCEOFF =V CC

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)(see Figure 5)

PARAMETER

TYP (1)

UNIT t valid Propagation delay time,low-to high-level output 1μs t invalid Propagation delay time,high-to low-level output 30μs t en Supply enable time

100

μs

(1)

All typical values are at V CC =3.3V or V CC =5V,and T A =25°C.

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PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

VOLTAGE WAVEFORMS

?3 V

3 V 3 V 0 V

3 V

Output

Input

V OL

V OH t TLH

RS-232Output

t THL

SR(tr)+

6V t THL or t TLH

NOTES: A.C L includes probe and jig capacitance.

B.The pulse generator has the following characteristics: PRR = 250 kbit/s, Z O = 50 ?

, 50% duty cycle, t r ≤ 10 ns, t f ≤ 10 ns.

FORCEON

3 V

TEST CIRCUIT

VOLTAGE WAVEFORMS

0 V

3 V

Output Input

V OL

V OH

t PLH

RS-232Output

t PHL

NOTES:

A.C L includes probe and jig capacitance.

B.The pulse generator has the following characteristics: PRR = 250 kbit/s, Z O = 50 ?, 50% duty cycle, t r ≤ 10 ns, t f ≤ 10 ns.

50%

1.5 V

FORCEON

TEST CIRCUIT

VOLTAGE WAVEFORMS

?3 V

3 V

Output

Input

V OL

V OH

t PHL

t PLH

Output

EN = V NOTES: A.C L includes probe and jig capacitance.

B.The pulse generator has the following characteristics: Z O = 50 ?, 50% duty cycle, t r ≤ 10 ns, t f ≤ 10 ns.

1.5 V

50%

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER

WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

Figure 1.Driver Slew Rate

Figure 2.Driver Pulse Skew

Figure 3.Receiver Propagation Delay Times

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PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

VOLTAGE WAVEFORMS

V OL

V OH

3 V

0 V

NOTES: A.

C L includes probe and jig capacitance.

B.The pulse generator has the following characteristics: Z O = 50 ?, 50% duty cycle, t r ≤ 10 ns, t f ≤ 10 ns.

C.t PLZ and t PHZ are the same as t dis .

t PZL and t PZH are the same as t en .

)Output

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

Figure 4.Receiver Enable and Disable Times

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PARAMETER MEASUREMENT INFORMATION

TEST CIRCUIT

INVALID ?

Auto-powerdown disables drivers and reduces supply current to 1 μA.

NOTES: A.C L includes probe and jig capacitance.

B.The pulse generator has the following characteristics: PRR = 5 kbit/s, Z O = 50 ?, 50% duty cycle, t r ≤ 10 ns, t f ≤ 10 ns.

INVALID Output

Receiver

Input

V+V?V+CC V?

t Supply Voltages

EN = GND

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER

WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

Figure 5.INVALID Propagation Delay Times and Driver Enabling Time

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APPLICATION INFORMATION

μF V CC C1C2, C3, and C4

3.3 V ± 0.3 V 5 V ± 0.5 V 3 V to 5.5 V

0.1 μF 0.047 μF 0.1 μF

0.1 μF 0.33 μF 0.47 μF

V CC vs CAPACITOR VALUES (1) C3 can be connected to V CC or GND.

NOTES: A.Resistor values shown are nominal.

B.Nonpolarized ceramic capacitors are acceptable. If polarized tantalum or electrolytic capacitors are used, they should be connected

as shown.

MAX3221E

3-V TO 5.5-V SINGLE-CHANNEL RS-232LINE DRIVER/RECEIVER WITH 15-kV IEC ESD PROTECTION

SLLS686A–OCTOBER 2005–REVISED MAY 2006

Figure 6.Typical Operating Circuit and Capacitor Values

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PACKAGING INFORMATION

Orderable Device Status(1)Package

Type Package

Drawing

Pins Package

Qty

Eco Plan(2)Lead/Ball Finish MSL Peak Temp(3)

MAX3221ECDB ACTIVE SSOP DB1680Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECDBG4ACTIVE SSOP DB1680Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECDBR ACTIVE SSOP DB162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECDBRG4ACTIVE SSOP DB162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPW ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPWE4ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPWG4ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPWR ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPWRE4ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221ECPWRG4ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIDB ACTIVE SSOP DB1680Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIDBG4ACTIVE SSOP DB1680Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIDBR ACTIVE SSOP DB162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIDBRG4ACTIVE SSOP DB162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPW ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPWE4ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPWG4ACTIVE TSSOP PW1690Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPWR ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPWRE4ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

MAX3221EIPWRG4ACTIVE TSSOP PW162000Green(RoHS&

no Sb/Br)

CU NIPDAU Level-1-260C-UNLIM

(1)The marketing status values are defined as follows:

ACTIVE:Product device recommended for new designs.

LIFEBUY:TI has announced that the device will be discontinued,and a lifetime-buy period is in effect.

NRND:Not recommended for new designs.Device is in production to support existing customers,but TI does not recommend using this part in a new design.

PREVIEW:Device has been announced but is not in production.Samples may or may not be available.

OBSOLETE:TI has discontinued the production of the device.

(2)Eco Plan-The planned eco-friendly classification:Pb-Free(RoHS),Pb-Free(RoHS Exempt),or Green(RoHS&no Sb/Br)-please check https://www.sodocs.net/doc/402656206.html,/productcontent for the latest availability information and additional product content details.

TBD:The Pb-Free/Green conversion plan has not been defined.

Pb-Free(RoHS):TI's terms"Lead-Free"or"Pb-Free"mean semiconductor products that are compatible with the current RoHS requirements for all6substances,including the requirement that lead not exceed0.1%by weight in homogeneous materials.Where designed to be soldered at high temperatures,TI Pb-Free products are suitable for use in specified lead-free processes.

Pb-Free(RoHS Exempt):This component has a RoHS exemption for either1)lead-based flip-chip solder bumps used between the die and package,or2)lead-based die adhesive used between the die and leadframe.The component is otherwise considered Pb-Free(RoHS compatible)as defined above.

Green(RoHS&no Sb/Br):TI defines"Green"to mean Pb-Free(RoHS compatible),and free of Bromine(Br)and Antimony(Sb)based flame retardants(Br or Sb do not exceed0.1%by weight in homogeneous material)

(3)MSL,Peak Temp.--The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications,and peak solder temperature.

Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.TI bases its knowledge and belief on information provided by third parties,and makes no representation or warranty as to the accuracy of such information.Efforts are underway to better integrate information from third parties.TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.TI and TI suppliers consider certain information to be proprietary,and thus CAS numbers and other limited information may not be available for release.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s)at issue in this document sold by TI to Customer on an annual basis.

TAPE AND REEL INFORMATION

*All dimensions are nominal

Device

Package Type Package Drawing Pins SPQ

Reel Diameter (mm)Reel Width W1(mm)A0(mm)B0(mm)K0(mm)

P1(mm)W (mm)Pin1Quadrant MAX3221ECDBR SSOP DB 162000330.016.48.2 6.6 2.512.016.0Q1MAX3221ECPWR TSSOP PW 162000330.012.47.0 5.6 1.68.012.0Q1MAX3221EIDBR SSOP DB 162000330.016.48.2 6.6 2.512.016.0Q1MAX3221EIPWR

TSSOP

2000

330.0

12.4

7.0

5.6

1.6

8.0

12.0

*All dimensions are nominal

Device Package Type Package Drawing Pins SPQ Length(mm)Width(mm)Height(mm) MAX3221ECDBR SSOP DB162000346.0346.033.0 MAX3221ECPWR TSSOP PW162000346.0346.029.0 MAX3221EIDBR SSOP DB162000346.0346.033.0 MAX3221EIPWR TSSOP PW162000346.0346.029.0

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