TS4956 datasheet(12/51 Pages) STMICROELECTRONICS

Il numero della parte	TS4956

Spiegazioni elettronici	Stereo audio amplifier system with I2C bus interface

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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Electrical characteristics

TS4956

12/51

SNR

Signal To Noise Ratio

A-weighted, G = +1.5dB, THD+N < 0.5%,

20Hz < F < 20kHz

Mode 1 - Speaker output, RL =8Ω

Mode 2 - Speaker output, RL =8Ω

Mode 3 - Headphone output, RL =16Ω

Mode 4 - Headphone output, RL =16Ω

Mode 5 - MLO output, RL =16Ω

Mode 6 - MLO output, R = 16

Ω

Mode 7 - BTL, Speaker output, RL =8Ω,

G = +10.5dB

Digital Gain Range

-34.5

+12

Digital Gain Stepsize

1.5

Stepsize Error

0.1

0.6

Zin

Input Impedance, all Gain

setting

Differential input

Differential input impedance (MIP to MIN)

MIP input impedance referenced to ground

MIN input impedance referenced to ground

Stereo input

RIN input impedance

LIN input impedance

25.5

34.5

Ω

tWU

Wake up time

tSTBY

Standby time

µs

Internal power limitation on headphone outputs (see application information).

Dynamic measurements - 20*log(rms(Vout)/rms(Vripple)). Vripple is an added sinus signal to VCC @ F = 217Hz.

Table 11.

VCC = +3.3 V, GND = 0V, Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

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