TS2012IQT datasheet(6/30 Pages) STMICROELECTRONICS

6 / 30 page

Typical application

TS2012

6/30

Table 3.

External component descriptions

Components

Functional description

CS, CSL, CSR Supply capacitor that provides power supply filtering.

Cin

Input coupling capacitors (optional) that block the DC voltage at the amplifier input

terminal. The capacitors also form a high pass filter with Zin

(Fcl = 1 / (2 x π x Zin x Cin)).

Table 4.

Pin descriptions

Pin number

Pin name

Pin description

Gain select pin (MSB)

Lout+

Left channel positive output

PVCC

Power supply

PGND

Power ground

Lout-

Left channel negative output

No internal connection

STBYL

Standby pin (active low) for left channel output

STBYR

Standby pin (active low) for right channel output

AVCC

Analog supply

No internal connection

Rout-

Right channel negative output

PGND

Power ground

PVCC

Power supply

Rout+

Right channel positive output

Gain select pin (LSB)

Rin+

Right channel positive differential input

Rin-

Right channel negative differential input

AGND

Analog ground

Lin-

Left channel negative differential input

Lin+

Left channel positive differential input

Thermal pad

Connect the thermal pad of the QFN package to PCB ground

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