TS4999 datasheet(9/36 Pages) STMICROELECTRONICS

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TS4999

Electrical characteristics

9/36

Table 9.

VCC = +3.6V, GND = 0V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load, both channels

3.5

5.5

ISTANDBY Standby current

No input signal, Vstdby = GND

μA

Voo

Output offset voltage

Floating inputs, RL = 8

Ω, G = 3.5dB,

3D effect off

Output power

THD = 1% max, F = 1kHz, RL = 4Ω

1.15

THD = 1% max, F = 1kHz, RL = 8Ω

0.7

THD = 10% max, F = 1kHz, RL = 4Ω

1.45

THD = 10% max, F = 1kHz, RL = 8Ω

0.86

THD+N

Total harmonic distortion +

noise

Po = 0.45W/Ch, G = 6dB, F=1kHz,

RL = 8Ω

0.15

Efficiency Efficiency per channel

Po = 1.15 WRMS, RL = 4Ω +15µH

Po = 0.7 WRMS, RL = 8Ω + 15µH

PSRR

Power supply rejection ratio

with inputs grounded

Cin = 1µF

(1),3D effects off

F = 217Hz, RL = 8Ω, gain = 6dB,

Vripple = 200mVpp, inputs grounded

Crosstalk Channel separation

F = 1kHz, RL = 8Ω,

3D effects off

102

CMRR

Common mode rejection

ratio

Cin=1µF, F = 217Hz, RL = 8Ω, gain = 6dB,

ΔVIC = 200mVpp, 3D effects off

Gain

Gain value with no load

G1 = G0 = "0"

3.5

G1 = "0" & G0 = "1"

5.5

6.5

G1 = "1" & G0 = "0"

9.5

G1 = G0 = "1"

11.5

12.5

ZIN

Single-ended input

impedance referred to GND

G1 = G0 = 3D = "0" or

G1 = "0" & G0 = "1" & 3D = "0" or

G1 = "1" & G0 = "0" & 3D = "0"

G1 = "1" & G0 = "1" & 3D = "0"

G1 = G0 = "0" & 3D = "1" or

G1 = "0" & G0 = "1" & 3D = "1" or

G1 = "1" & G0 = "0" & 3D = "1"

13.5

17.1

20.5

G1 = "1" & G0 = "1" & G3D = "1"

6.5

8.6

10.5

FPWM

Pulse width modulator

base frequency

190

280

370

kHz

SNR

Signal to noise ratio

Po = 0.67W, A-weighting, RL = 8Ω,

Gain = 6dB, 3D effects OFF

tWU

Wake-up time

Total wake-up time(2)

7.5

11.3

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