APA4838RI Ver la hoja de datos (PDF) - Anpec Electronics

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Fabricante

APA4838RI

Stereo 2.8W Audio Power Amplifier with DC Volume Control and Selectable Gain

Anpec Electronics 

APA4838

Electrical Characteristics

Electrical Characteristics for Entire IC

The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C

Symbol

Parameter

Test Conditions

APA4838

Min. Typ. Max.

VDD Supply Voltage

IDD Quiescent Power Supply

Current

VIN=0V, IO=0A

4.5

5.5

15

25

ISD Shutdown Current

VPIN 2= VDD

0.7

2.0

Unit

V

mA

µA

Electrical Characteristics for Volume Attenuators

The following specifications apply for VDD= 5V. Limits apply for TA= 25°C

Symbol

Parameter

Test Conditions

CRANGE Attenuator Range

AM Mute Attenuation

Gain with VPIN 7=5V

Attenuation with VPIN 7=0V

VPIN 5=5V, Bridged Mode

VPIN 5=5V, Single-Ended Mode

APA4838

Min. Typ. Max. Unit

-65

±0.5

-78

dB

-70

-70

dB

Electrical Characteristics for BTL Mode Operation

The following specifications apply for VDD= 5V unless otherwise noted. Limits apply for TA= 25°C

Symbol

Parameter

Test Conditions

VOS

PO

THD+N

PSRR

XTALK

SNR

VN

Output Offset Voltage

Output Power

VIN=0V

THD=1%, f=1kHz

RL=3Ω

RL=4Ω

RL=8Ω

THD=10%, f=1kHz

RL=8Ω

Total Harmonic Distortion + Noise AVD=2, f=1kHz

RL=4Ω , PO =1.5W

RL=8Ω , PO=1W

Power Supply Rejection Ratio

VRIPPLE=100mVRms CB=2.2µF,

RL=8Ω, f=1kHz

Channel Separation

CB=2.2µF, f=1kHz, RL=8Ω

Signal-to-Noise Ratio

VDD=5V, PO =1.1W, RL=8Ω,A-Wtd

Filter

Output Noise Voltage

RL=8Ω,A-Wtd Filter

APA4838

Typ.

5

2.3

2.0

1.2

1.5

0.07

0.07

70

90

95

30

Unit

mV

W

%

dB

dB

dB

µV

Copyright  ANPEC Electronics Corp.

4

Rev. A.1 - Apr., 2003

www.anpec.com.tw

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