深圳诚芯微LTH2822

TH 2822*Wide operating supply voltage: Vcc=1.8V- 6V. The

LINEAR INTEGRATED CIRCUIT

DUAL LOW VOLTAGE POWER AMPLIFIER

DESCRIPTION

LTH 2822 is a monolithic integrated audio amplifier in a 8-Pin plastic dual in line package. It is designed for portable cassette players and radios.

FEATURES

*Low crossover distortion. *Low quiescent circuit current. *Bridge/stereo configuration.

*Pb-free plating product number: LTH2822

ORDERING INFORMATION

Order Number

Normal Lead Free Plating

Package Packing

TDA2822-D08 TDA2822L-D08 DIP-8 Tube

TDA2822-S08 TDA2822L-S08 SOP-8 Tube 深圳市诚芯微科技有限公司

地址：深圳市福田区福田大厦西部１５１１

PIN CONFIGURATIONS

1

2348

7

65NF 1

INPUT 1

INPUT 2

NF 2

GND Vcc OUTPUT 1

OUTPUT 2

BLOCK DIAGRAM

OUTPUT1

OUTPUT2

INPUT1

INPUT2

NP2

GND

地址：深圳市福田区福田大厦西部１５１１

6 ABSOLUTE MAXIMUM RATINGS (Ta=25°C)

PARAMETER SYMBOL RATINGS UNIT

Supply Voltage V Output Peak Current I O (peak) 1 A

DIP-8 1.0

Power Dissipation SOP-8 P D 0.5

W

Operating Temperature T OPR -20~+85 °C Storage Temperature T STG -40~+150 °C

Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. The device

could be damaged beyond Absolute maximum ratings.

2. The device is guaranteed to meet performance specifications within 0℃~70℃ operating temperature range and assured by design from -20℃~ 85℃ ELECTRICAL CHARACTERISTICS (Ta=25°C, V CC =5V, f=1kHz, unless otherwise specified)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT

Operating Supply Voltage V CC Quiescent Circuit Current I CC V IN Stereo 40 dB

Closed Loop Voltage Gain Bridge G VC

40 dB

Channel Balance CB Stereo -1 0 1 dB

DIP-8 0.4 0.65

SOP-8 V CC =5V,R L =4?, THD=10%

0.280.45

W DIP-8 0.11

Output Power(Stereo) SOP-8 P OUT

V CC =3V,R L =4?, THD=10%

0.07

W DIP-8 0.9 1.35

SOP-8

V CC =5V,R L =4?, THD=10% 0.630.94 W

DIP-8 0.35

Output Power (Bridge) SOP-8 P OUT V CC =5V,R L =4?, THD=10% 0.24 W

Stereo R L =8?, P OUT =0.2W 0.5 %

Total Harmonic Distortion Bridge THD

R L =8?, P OUT =0.5W

0.5 % Ripple Rejection

RR Stereo, f=100Hz,C3=100μF 24 30 dB Output Noise Voltage eN Stereo,BW(-3dB)=20Hz ~20kHz 0.5 2.0 mV Cross Talk

C T Stereo, f=1kHz 50 dB Input Resistance

R IN 100 k ?

V 1.8 6 V

=0

3 mA 地址：深圳市福田区福田大厦西部１５１１

TEST CIRCUIT

STEREO

BRIDGE

ＬＴＨ２８２２与ＴＤＡ２８２２应用电路对比：

１．外围元器件减少，节约４个电阻，两个电容；

２．电源电压范围宽，可以做到１．５Ｖ－６．５Ｖ；

３．客户无需改动原有ＰＣＢ板布局，ＬＴＨ２８２２直接焊在原来位置即可（外围省掉的几个电阻、电容一定要去掉）。