TS4621ML datasheet(9/40 Pages) STMICROELECTRONICS

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TS4621ML

Electrical characteristics

Doc ID 023181 Rev 1

9/40

Electrical characteristics

The values given in the following table are for the conditions VCC = +3.6 V, AGND = 0 V,

GAIN = 0 dB, RL= 32 Ω + 15 Ω, Tamb = 25° C, unless otherwise specified.

Table 5.

Electrical characteristics of the amplifier

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Quiescent supply current, no input signal, both channels

enabled

1.2

1.5

Supply current, with input modulation, both channels enabled,

HPVDD = 1.2 V, output power per channel, F= 1 kHz

Pout = 100 µW at 3 dB crest factor

Pout = 500 µW at 3 dB crest factor

Pout = 1mW at 3dB crest factor

Pout = 100 µW at 10 dB crest factor

Pout = 500 µW at 10 dB crest factor

Pout = 1 mW at 10 dB crest factor

2.3

3.7

4.7

2.1

3.1

3.9

3.5

6.5

ISTBY

Standby current, no input signal, VEN = 0 V, VGAIN=0V

0.6

µA

Vin

Input differential voltage range(1)

1Vrms

Voo

Output offset voltage

No input signal

-500

+500

µV

Vout

Maximum output voltage, in-phase signals

RL = 16 Ω, THD+N = 1% max, f = 1 kHz

RL = 47 Ω, THD+N = 1% max, f = 1 kHz

RL = 10 kΩ, Rs = 15 Ω, CL = 1 nF, THD+N = 1% max,

f = 1 kHz

0.6

1.0

0.8

1.1

1.3

Vrms

THD+N

Total harmonic distortion + noise, G = 0 dB

Vout = 700 mVrms, F = 1 kHz

Vout = 700 mVrms, 20 Hz < F < 20 kHz

0.006

0.05

0.02

PSRR

Power supply rejection ratio(1), Vripple = 200 mVpp, grounded

inputs

F = 217 Hz, G = 0 dB, RL ≥16 Ω

F = 10 kHz, G = 0 dB, RL ≥16 Ω

100

CMRR

Common mode rejection ratio

F = 1 kHz

, G = 0 dB, Vic = 200 mVpp

F = 20 Hz to 20 kHz

, G = 0 dB, Vic = 200 mVpp

Crosstalk

Channel separation

RL = 32 Ω + 15 Ω , G = 0 dB, F = 1 kHz, Po = 10 mW

100

SNR

Signal-to-noise ratio, A-weighted, Vout = 1 Vrms, THD+N < 1%,

F = 1 kHz(1)

G = +0 dB

100

ONoise

Output noise voltage, A-weighted (1)

G = +0 dB

9µVrms

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