PA3431 datasheet(3/11 Pages) UTC

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PA3431

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

3 of 11

www.unisonic.com.tw

QW-R502-185.A

ABSOLUTE MAXIMUM RATINGS

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

VCC

Power Dissipation (TA≤25℃)

2.7

Junction Temperature

+150

℃

Operating Temperature

TOPR

-40 ~ +85

℃

Storage Temperature Range

TSTG

-65 ~ +150

℃

Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

ELECTRICAL CHARACTERISTICS (Ta=25℃, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

DC ELECTRICAL CHARACTERISTICS

Supply Voltage

VDD

4.5

5.5

High-Level Input Voltage

VIH

SHUTDOWN, GAIN0, GAIN1

Low-Level Input Voltage

VIL

SHUTDOWN, GAIN0, GAIN1

0.8

DC Differential Output Voltage

VO(DIFF)

VDD= 5V,Gain = 2

Supply Current in Mute Mode

IDD

VDD= 5V, Stereo BTL

7.5

Supply Current, Shutdown Mode

IDD(SD)

VDD= 5V

160

300

µA

AC ELECTRICAL CHARACTERISTICS (VDD = 5.0V, RL = 4Ω)

THD =1%, BTL, RL= 4Ω, G=-2V/V

THD =1%, BTL, RL= 8Ω, G=-2V/V

1.2

THD =10%, BTL, RL= 4Ω, G=-2V/V

2.5

Output Power

POUT

THD = 10%, BTL,RL= 8Ω, G=-2V/V

1.6

POUT= 1.6W, BTL,RL= 4Ω, G=-2V/V

100

Total Harmonic Distortion Plus Noise

THD+N

POUT= 1W, BTL, RL= 8Ω, G=-2V/V

Max Output Power Bandwidth

BOM

THD = 5%

kHz

Power Supply Ripple Rejection

PSRR

F=1kHz,BTL,G=-2V/V, CBYP=1µF

Channel-to-Channel

Output Separation

f = 1kHz

Signal-to-Noise Ratio

SNR

POUT= 500mW, BTL, G=-2V/V

Output Noise Voltage

BTL, G=-2V/V, A Weighted filter

µV

(rms)

Note: Output power is measured at the output terminals of the IC at 1kHz.

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