TS4604 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TS4604

Stereo headset driver and analog audio line driver with integrated reference to ground

STMicroelectronics 

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TS4604

Typical application

Table 3. Pin descriptions

Pin number

I/O(1)

Pin name

Pin description

1

I

+LDL

Left line driver positive input channel

2

I

-LDL

Left line driver negative input channel

3

O

OUTLDL

Left line driver output channel

4

P

AGND

Analog line driver power ground

5

I

ENLD

Line driver enable input pin (active high)

6

O

PVSSLD

Output from line drive charge pump

7

I/O

CNLD

Line driver charge pump flying capacitor negative terminal

8

I/O

CNHP

Headset charge pump flying capacitor negative terminal

9

I/O

PVSSHP

Output from headset drive charge pump

10

I

ENHP

Headset driver enable input pin (active high)

11

P

AGND

Headphone analog input power ground

12

O

OUTHPL

Left headset driver output channel

13

I

-HPL

Left headset driver negative input channel

14

I

+HPL

Left headset driver positive input channel

15

I

+HPR

Right headset driver positive input channel

16

I

-HPR

Right headset driver negative input channel

17

O

OUTHPR

Right headset driver output channel

18

NC

Not connected

19

P

PGND

Headset driver power ground

20

P

PVCCHP

Headset driver power supply voltage(2)

21

I/O

CPHP

Headset charge pump flying capacitor positive terminal

22

I/O

CPLD

Line driver charge pump flying capacitor positive terminal

23

P

PVCCLD

Line driver power supply voltage(2)

24

P

PGND

Line driver power ground

25

I

EUVP

External undervoltage protection input pin

26

O

OUTLDR

Right line driver output channel

27

I

-LDR

Right line driver negative input channel

28

I

+LDR

Right line driver positive input channel

1. I = input, O = output, P = power

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

Doc ID 17913 Rev 1

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