TS4956 datasheet(9/51 Pages) STMICROELECTRONICS

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TS4956

Electrical characteristics

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Electrical characteristics

Table 10.

VCC = +2.7 V, GND = 0V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

ICC

Supply Current

Mode 1, 2, No input signal, no load

3.4

4.4

Mode 3, No input signal, no load

4.6

Mode 4, No input signal, no load

4.4

5.7

Mode 5, 6, No input signal, no load

1.75

2.3

Mode 7, No input signal, no load

5.7

7.4

ISTBY

Standby Current

No input signal

0.5

µA

VOO

Output Offset Voltage

No input signal

Modes 1, 2

Speaker Output, RL =8Ω

Mode 3

Headphone Outputs, RL =16Ω

Mode 4

Headphone Outputs, RL =16Ω

Mode 7

BTL, Speaker Output, RL =8Ω

Pout

Headphone Output Power

(Phantom Ground mode)

Modes 3, 4

THD+N = 1% max, F = 1kHz, RL =16Ω

THD+N = 1% max, F = 1kHz, RL =32Ω

BTL, Speaker Output

Power

Modes 1, 2, 7

THD+N = 1% max, F = 1kHz, RL =8Ω

270

285

MLO Output Power

Modes 5, 6

THD+N = 1% max, F = 1kHz, RL =16Ω

THD+N = 1% max, F = 1kHz, RL =32Ω

THD+N

Total Harmonic Distortion

+ Noise

G = +1.5dB, 20Hz < F < 20kHz

Modes 1, 2, 7, RL =8Ω, Pout = 200mW

Modes 3, 4, RL =16Ω, Pout = 15mW

Modes 5, 6, RL =16Ω, Pout = 30mW

0.5

PSRR

Power Supply Rejection

Ratio(1)

F = 217Hz, G = +1.5dB, Vripple = 200mVpp,

Inputs Grounded, Cb =1µF

Mode 1, Speaker output, RL =8Ω

Mode 2, Speaker output, RL =8Ω

Mode 3, Headphone outputs, RL =16Ω

Mode 4, Headphone outputs, RL =16Ω

Mode 5, MLO output, RL =16Ω

Mode 6, MLO output, RL =16Ω

Mode 7, BTL, Speaker outputs, RL =8Ω

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