TCM38C17IDL

QCombo

™ FOUR-CHANNEL (QUAD) PCM COMBO

SLWS040C – JUNE 1996 – REVISED OCTOBER 1999

2

POST OFFICE BOX 655303

description (continued)

The TCM38C17IDL is available in a 48-pin plastic DL SSOP (shrink small-outline package) and is characterized

for operation from – 40

°C to 85°C.

functional block diagram

Σ∆ ADC

Digital

Filter

Compressor

Output

Register

Σ∆ DAC

Digital

Filter

Expander

Input

Register

Frame

Control

Clock

Buffer

Switched-

Capacitor

Smoothing

Filter

Output

Amplifier

Inverting

Amplifier

PCMOUT

MCLK

(2.048 MHz)

FS

PCMIN

GSX

ANGLIN –

ANGLIN +

GSR

PWRO +

PWRO –

Transmit Section

Receive Section

Antialias

Filter

+

–

Digital

Input

Digital

Output

Analog

Input

Analog

Output

NOTE A: One of four identical channels is depicted.