APA2171K Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APA2171K

(APA2120 / APA2121) Stereo 2-W Audio Power Amplifier

Anpec Electronics 

APA2171

Electrical Characteristics (Cont.)

V =3.3V,

DD

V =V =0V,

GND PGND

V =V ,

SDN DD

CCPF=CCPO=1µF,

Ci=1µF,

RL=2.5kΩ,

T =25oC,

A

Ri=10kΩ,

Rf=20kΩ

(unless

other-

wise noted)

Symbol

Parameter

VO

Output Voltage (Stereo, In

Phase)

Test Conditions

THD+N=1%, fin=1kHz

RL=2.5kΩ

RL=100kΩ

APA2171

Unit

Min.

Typ.

Max.

2.0

2.1

-

V

-

2.3

Po

Output Power (Stereo, In

Phase)

THD+N=1%, fin=1kHz

RL=32Ω

-

20

-

mW

THD+N

Total Harmonic Distortion Plus

Noise

VO=2Vrms, RL=2.5kΩ

fin=20Hz

fin=1kHz

fin=20kHz

Po=20mW, RL=32Ω

fin=1kHz

0.01

0.02

0.03

0.0005 0.001 0.002

0.01

0.02

0.03

%

0.01

0.04

0.05

Crosstalk Channel Separation

S/N

Signal to Noise Ratio

VO=2Vrms, RL=2.5kΩ

fin=20Hz

fin=1kHz

fin=20kHz

90

90

100

110

100

110

dB

80

90

100

VO=2Vrms, RL=2.5kΩ, Ri=10kΩ,

Rf=10kΩ,

102

108

114

dB

With A-weighting Filter

TSD

Thermal Shutdown Protection

Temperature

-

150

-

oC

UVP FUNCTION

VUVP

External Under Voltage

Detection

-

1.25

-

V

IHYS

External Under Voltage

Detection Hysteresis Current

-

5.0

-

µA

Copyright © ANPEC Electronics Corp.

4

Rev. A.4 - Aug., 2013

www.anpec.com.tw

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