S486 查看數據表（PDF） - Unisonic Technologies

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S486

DUAL 100mW AUDIO POWER AMPLIFIER WITH STANDBY MODE

Unisonic Technologies 

S486

CMOS IC

 ELECT RI CAL CH ARACT ERI ST I CS(Cont .) (TA = 25°С, GND = 0V, unless otherwise specified)

For VCC = +2.5V

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

VOL: RL=32Ω

Output Swing

VOUT

VOH: RL=32Ω

VOL: RL=16Ω

2.14

VOH: RL=16Ω

1.97

Input Offset Voltage

VI(OFF) VICM=VCC/2

Supply Current

ICC Noinputsignal, noload

Stand By Current

ISTB Noinputsignal, VSTB=GND, RL=32Ω

Input Bias Current

II(BIAS) VICM=VCC/2

Max Output Current

IOUT

THD+N≤1%,

RL=16ΩconnectedbetweenoutandVCC/2

45

Output Power

POUT

THD+N=0.1% Max, F=1kHz

THD+N=1% Max, F=1kHz

RL=16Ω

RL=32Ω

RL=16Ω

RL=32Ω

17.5

12.5

Total Harmonic Distortion +

Noise (Gv=-1)

THD+N RL=32Ω, POUT=60mW, 20Hz≤F≤20kHz

RL=16Ω, POUT=90mW, 20Hz≤F≤20kHz

Power Supply Rejection Ratio

PSRR

inputsgrounded(GV=-1)(Note2), RL≧16Ω,

CB=1mF, F=1kHz,VRIPPLE=200mVPP

53

Signal-to-Noise Ratio

SNR

(Aweighted,AV=-1)(Note2), RL=32Ω,

THD+N<0.4%, 20Hz≤F≤20kHz

80

Crosstalk

ChannelSeparation,

CT GV=-1, F=1kHz

ChannelSeparation,

GV=-1, F=20Hz~20kHz

RL=16Ω

RL=32Ω

RL=16Ω

RL=32Ω

Input Capacitance

CIN

Gain Bandwidth Product

GBP RL=32Ω

Slew Rate

SR UnityGainInverting (RL=16Ω)

Note 1. All electrical values are guaranteed with correlation measurements at 2V and 5V.

2. Guaranteed by design and evaluation.

TYP

0.25

2.25

0.35

2.15

1

1.7

10

90

56

21

13

22

14

0.3

0.3

58

95

77

80

69

76

1

1.1

0.4

MAX UNIT

0.32

V

0.45

mV

2.5 mA

1000 nA

200 nA

mA

mW

%

dB

dB

dB

pF

MHz

V/µs

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

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QW-R502-074.D

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