TS488 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

TS488

Pop-free 120mW stereo headphone amplifier

STMicroelectronics 

TS488-TS489

Electrical characteristics

3

Electrical characteristics

Table 4.

Symbol

Electrical characteristics at VCC = +5V

with GND = 0V, Tamb = 25°C (unless otherwise specified)

Parameter

Conditions

ICC Supply current

ISTBY Standby current

Pout Output power

THD+N

Total harmonic distortion

+ noise

No input signal, no load

No input signal, VSTBY = GND for TS488,

RL=32Ω

No input signal, VSTBY = VCC for TS489,

RL=32Ω

THD+N = 0.1% max, F = 1kHz, RL = 32Ω

THD+N = 1% max, F = 1kHz, RL = 32Ω

THD+N = 0.1% max, F = 1kHz, RL = 16Ω

THD+N = 1% max, F = 1kHz, RL = 16Ω

AV=-1, RL = 32Ω, Pout = 60mW,

20Hz ≤ F ≤ 20kHz

AV=-1, RL = 16Ω, Pout = 90mW,

20Hz ≤ F ≤ 20kHz

PSRR

Power supply rejection

ratio, inputs grounded(1)

VO Output swing

SNR Signal-to-noise ratio

AV=-1, RL ≥ 16Ω, Cb=1µF, F = 1kHz,

Vripple = 200mVpp

AV=-1, RL ≥ 16Ω, Cb=1µF, F = 217Hz,

Vripple = 200mVpp

VOL: RL = 32Ω

VOH: RL = 32Ω

VOL: RL = 16Ω

VOH: RL = 16Ω

A weighted, AV=-1, RL = 32Ω,

THD+N < 0.4%, 20Hz ≤ F ≤ 20kHz

Crosstalk Channel separation

RL = 32Ω, AV = -1

F = 1kHz

F = 20Hz to 20kHz

Ci

GBP

SR

Input capacitance

Gain bandwidth product

Slew rate, unity gain

inverting

RL = 32Ω

RL = 16Ω

VIO Input offset voltage

Vicm=VCC/2

twu Wake-up time

1. Guaranteed by design and evaluation.

Min. Typ. Max. Unit

2 2.7 mA

10 1000

nA

10 1000

75

70 80

mW

120

100 130

0.3

%

0.3

64 70

dB

62 68

0.23 0.31

4.53 4.72

V

0.44 0.57

4.18 4.48

105

dB

-102

-84

1

1.1

dB

pF

MHz

0.65

V/μs

1 20 mV

100

ms

5/32

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