DEVICE PINOUT

D1

D2

D3

D4

C1

C2

C3

C4

B1

B2

B3

B4

A1

A3

A4

EN

GND

CPN

HI

-

Z

VDD

CPP

HPVSS

GAIN

OUTL

HPVDD

OUTR

INL-

INL+

INR+

A2

SGND

INR-

TPA6136A2

WCSP PACKAGE

(TOP VIEW)

PIN FUNCTIONS

PIN

I/O/P

PIN DESCRIPTION

NAME

WCSP

INL-

A4

I

Inverting left input for differential signals; left input for single-ended signals

INL+

B4

I

Non-inverting left input for differential signals. Connect to ground for single-ended input applications

INR+

C4

I

Non-inverting right input for differential signals. Connect to ground for single-ended input applications

INR-

D4

I

Inverting right input for differential signals; right input for single-ended signals

OUTR

D3

O

Right headphone amplifier output. Connect to right terminal of headphone jack

HI-Z

D1

I

Output impedance select. Set to logic LOW for normal operation and to logic HIGH for high output

impedance

GAIN

D2

I

Gain select. Set to logic LOW for a gain of 0dB and to logic HIGH for a gain of 6dB

HPVSS

C2

P

Charge pump output and negative power supply for output amplifiers; connect 1

µF capacitor to GND

CPN

C1

P

Charge pump negative flying cap. Connect to negative side of 1

µF capacitor between CPP and CPN

GND

B1

P

Ground

CPP

B2

P

Charge pump positive flying cap. Connect to positive side of 1

µF capacitor between CPP and CPN

HPVDD

B3

P

Positive power supply for headphone amplifiers. Connect to a 2.2

µF capacitor. Do not connect to VDD

EN

A1

I

Amplifier enable. Connect to logic low to shutdown; connect to logic high to activate

VDD

A2

P

Positive power supply for TPA6136A2

SGND

C3

I

Amplifier reference voltage. Connect to ground terminal of headphone jack

OUTL

A3

O

Left headphone amplifier output. Connect to left terminal of headphone jack

Copyright © 2009, Texas Instruments Incorporated

3

Product Folder Link(s) :TPA6136A2