TS4604 datasheet(8/31 Pages) STMICROELECTRONICS

Il numero della parte	TS4604

Spiegazioni elettronici	Stereo headset driver and analog audio line driver with integrated reference to ground

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Electrical characteristics

TS4604

8/31

Doc ID 17913 Rev 1

Table 6.

Line driver part: VCC = +3.3 V, GND = 0 V, Av = 1 (R1 = R2 = 10 kΩ), ENLD = VCC,

ENHP = GND, CPhp = CPld = 1 µF, RL = 10 kΩ,

Tamb = 25°C (unless otherwise specified)

Symbol

Parameters and test conditions

Min.

Typ.

Max.

Unit

Icc

Supply current (no input signal, no load)

5

6.5

mA

IENLD

Line drive standby current (no input signal)

VENLD = GND

VENLD = 38% VCC

5

100

µA

Vio

Input offset voltage

-7

0

+7

mV

VSWING

Output voltage swing:

RL = 10 kΩ, CL= 100 pF, THD+N = 0.1%

2.1

Vrms

PSRR

Line driver power supply rejection ratio with AC inputs

grounded: f = 217 Hz, Vripple = 200 mVpp

90

dB

tWU

Wake-up time from shutdown

30

ms

tSTBY

Standby time

20

µs

SNR

Signal-to-noise ratio (A-weighting): Vin = 1.7 Vrms

102

dB

VN

Output voltage noise: f = 20 Hz to 20 kHz, A-weighted

8

µVRMS

GBw

Gain bandwidth product

1

MHz

Sr

Slew rate

0.5

V / µs

THD+N

BW = 22 kHz, RL = 10 kΩ, VO = 1.5 Vrms, Av = 1,

f = 20 Hz to 20 kHz

0.001

%

CMRR

f = 20 Hz to 20 kHz, Vic = 200 mVpp

-70

dB

Xtalk

Crosstalk channel:

f = 20 Hz to 20 kHz, Vo = 1.5 Vrms, RL = 5 kΩ

-120

dB

CL(1)

Capacitive load: RL > 5 kΩ

400

pF

1.

Higher capacitive loads are possible by adding a serial resistor of 47

Ωin the line driver output.

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