TS4604 datasheet(5/31 Pages) STMICROELECTRONICS

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TS4604

Typical application

Doc ID 17913 Rev 1

5/31

Table 3.

Pin descriptions

Pin number

I/O(1)

Pin name

Pin description

+LDL

Left line driver positive input channel

-LDL

Left line driver negative input channel

OUTLDL

Left line driver output channel

AGND

Analog line driver power ground

ENLD

Line driver enable input pin (active high)

PVSSLD

Output from line drive charge pump

I/O

CNLD

Line driver charge pump flying capacitor negative terminal

I/O

CNHP

Headset charge pump flying capacitor negative terminal

I/O

PVSSHP

Output from headset drive charge pump

ENHP

Headset driver enable input pin (active high)

AGND

Headphone analog input power ground

OUTHPL

Left headset driver output channel

-HPL

Left headset driver negative input channel

+HPL

Left headset driver positive input channel

+HPR

Right headset driver positive input channel

-HPR

Right headset driver negative input channel

OUTHPR

Right headset driver output channel

Not connected

PGND

Headset driver power ground

PVCCHP

Headset driver power supply voltage(2)

I/O

CPHP

Headset charge pump flying capacitor positive terminal

I/O

CPLD

Line driver charge pump flying capacitor positive terminal

PVCCLD

Line driver power supply voltage(2)

PGND

Line driver power ground

EUVP

External undervoltage protection input pin

OUTLDR

Right line driver output channel

-LDR

Right line driver negative input channel

+LDR

Right line driver positive input channel

I = input, O = output, P = power

PVccHP and PVccLD are internally connected, so PVccHP must be equal to PVccLD.

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