TS4909 datasheet(5/32 Pages) STMICROELECTRONICS

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TS4909

Electrical characteristics

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Electrical characteristics

Table 4.

Electrical characteristics at VCC = +5V with GND = 0V and Tamb = 25°C

(unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ. Max. Unit

ICC

Supply current

No input signal, no load, single-ended

No input signal, no load, phantom ground

2.1

3.1

3.2

4.8

ISTBY

Standby

current

No input signal, RL=32Ω

1000

Pout

Output power

THD+N = 1% max, F = 1kHz, RL = 32Ω, single-ended

THD+N = 1% max, F = 1kHz, RL = 16Ω, single-ended

THD+N = 1% max, F = 1kHz, RL = 32Ω, phantom ground

THD+N = 1% max, F = 1kHz, RL = 16Ω, phantom ground

158

150

THD+N

Total

harmonic

distortion +

noise

(Av=-1)

RL = 32Ω, Pout = 60mW, 20Hz ≤ F ≤ 20kHz, single-ended

RL = 16Ω, Pout = 90mW, 20Hz ≤ F ≤ 20kHz, single-ended

RL = 32Ω, Pout = 60mW, 20Hz ≤ F ≤ 20kHz, phantom ground

RL = 16Ω, Pout = 90mW, 20Hz ≤ F ≤ 20kHz, phantom ground

0.3

PSRR

Power supply

rejection ratio

Inputs grounded(1), Av =-1, RL>=16Ω, Cb=1μF, F = 217Hz,

Vripple =200mVpp

Single-ended output referenced to phantom ground

Single-ended output referenced to ground

Iout

Max output

current

THD +N

≤ 1%, RL = 16Ω connected between out and VCC/2

140

Output swing

VOL: RL = 32Ω

VOH: RL = 32Ω

VOL: RL = 16Ω

VOH: RL = 16Ω

4.39

4.17

0.14

4.75

0.25

4.55

0.47

0.69

SNR

Signal-to-

noise ratio

A-weighted, Av=-1, RL = 32Ω, THD +N < 0.4%,

20Hz

≤ F ≤20kHz

Single-ended

Phantom ground

104

105

Cross-

talk

Channel

separation

RL = 32Ω, Av=-1, phantom ground

F = 1kHz

F = 20Hz to 20kHz

RL = 32Ω, Av=-1, single-ended

F = 1kHz

F = 20Hz to 20kHz

-73

-68

-110

-90

VOO

Output offset

voltage

Phantom ground configuration, floating inputs, Rfeed=22KΩ

520

tWU

Wake-up time

Phantom ground configuration

Single-ended configuration

100

160

Guaranteed by design and evaluation.

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