TS4975 datasheet(5/36 Pages) STMICROELECTRONICS

Il numero della parte	TS4975

Spiegazioni elettronici	Stereo Headphone Drive Amplifier with Digital Volume Control via I2C Bus

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TS4975

Electrical Characteristics

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Electrical Characteristics

Table 3.

Electrical characteristics for the I²C interface

Table 4.

Output noise (all inputs grounded)

Symbol

Parameter

Value

Unit

VIL

Maximum Low level Input Voltage on pins SDA, SCL, VADD

0.3 VCC

VIH

Minimum High Level Input Voltage on pins SDA, SCL, VADD

0.7 VCC

FSCL

SCL Maximum clock Frequency

400

kHz

Vol

Max Low Level Output Voltage, SDA pin, Isink =3mA

0.4

Max Input current on SDA, SCL(1)

from 0.1 VCC to 0.9 VCC

SCL and SDA are CMOS inputs. The nominal input current is about few pA and not 10uA. 10µA refer to the I2C

bus specification.

µA

Unweighted Filter

from VCC = 2.5V to 5V

Weighted Filter (A)

from VCC = 2.5V to 5V

SE, G = +2dB

34µVrms

23µVrms

SE, G = +18dB

67µVrms

45µVrms

PHG, G = +2dB

34µVrms

23µVrms

PHG, G = +18dB

67µVrms

45µVrms

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