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FUNCTIONAL BLOCK DIAGRAM

Input

Buffer

SC

300K

TPA2032D1

TPA2033D1

TPA2034D1

SLOS476 – JUNE 2006

OPERATING CHARACTERISTICS (continued)

T

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

No weighting

35

Output voltage noise

µV

RMS

A weighting

27

CMRR Common mode rejection ratio

f = 217 Hz

–69

dB

V

30.2

Input impedance

22.8

k

Ω

18.5

Start-up time from shutdown

3.2

ms

Terminal Functions

TERMINAL

I/O

DESCRIPTION

NAME

YZF

IN–

C1

I

Negative differential audio input

IN+

A1

I

Positive differential audio input

A3

O

Negative BTL audio output

C3

O

Positive BTL audio output

Analog ground terminal. Must be connected to same potential as PGND using a direct connection

GND

A2

I

to a single point ground.

High-current Analog ground terminal. Must be connected to same potential as GND using a direct

PGND

B3

connection to a single point ground.

B1

I

connection. Voltage must be within values listed in Recommended Operating Conditions table.

B2

I

direct connection. Voltage must be within values listed in Recommended Operating Conditions

table.

SHUTDOWN

C2

I

Shutdown terminal. When terminal is low the device is put into Shutdown mode.

4

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