GK2171 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

GK2171

3W Audio Power Amplifier with Shutdown Mode

Unspecified 

GK2171 Rev.1.0

z Absolute Maximum Ratings

·Supply Voltage

·Storage Temperature

·Input Voltage

·Power Dissipation

·ESD Susceptibility（Human body model）

·ESD Susceptibility（Machine model）

·Junction Temperature

6.0V

－65℃～＋150℃

－0.3V ～VDD＋0.3V

Internally Limited

2000V

200V

150℃

z Electrical Characteristics（VDD＝5V）

Unless otherwise specified. Limits apply for TA =25°C

Symbol

Parameter

Conditions

IDD

ISD

VOS

PO

THD+N

PSRR

Quiescent Power

SupplyCurrent

Shutdown Current

Output Offset

Voltage

Output Power

Total Harmonic

Distortion+Noise

Power Supply

RejectionRatio

VIN＝0V, IO＝0A

VSHUTDOWN＝VDD

VIN＝0V, no load

THD=1%, f=1kHz

GK2171M, RL=8Ω

GK2171MP, RL=4Ω

GK2171MP, RL=3Ω

THD=10%, f=1kHz

GK2171, RL=8Ω

GK2171MP, RL=4Ω

GK2171MP, RL=3Ω

20Hz≤f≤20KHz, AVD=2

GK2171, RL=8Ω, Po=1W

VDD = 4.9V～5.1V

Min Typ Max Unit

6.0 10 mA

0.1 2.0 uA

-50 5.0 50 mV

1.3

W

2.1

2.4

1.5

W

2.6

3.0

%

0.25

60

dB

z External Components Description

Components

Functional Description

Inverting input resistance that sets the closed-loop gain in conjunction

1

RIN with Rf. This resistor also forms a high pass filter with Ci at fC= 1/(2

πRiCi).

Input coupling capacitor that blocks the DC voltage at the amplifiers input

2

CIN

terminals. Also creates a highpass filter with Ri at fc = 1/(2πRiCi).

3

Rf

Feedback resistance that sets the closed-loop gain in conjunction with Ri.

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