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PCA1070

Multistandard programmable analog CMOS transmission IC

Philips Electronics 

Philips Semiconductors

Multistandard programmable analog

CMOS transmission IC

Product specification

PCA1070

ORDERING INFORMATION

TYPE NUMBER

PCA1070P

PCA1070T

NAME

DIP24

SO24

PACKAGE

DESCRIPTION

plastic dual in-line package; 24 leads (600 mil)

plastic small outline package; 24 leads; body width 7.5 mm

VERSION

SOT101-1

SOT137-1

BLOCK DIAGRAM

positive line

handbook, full pagewidth

peripheral supply

TX 1

SCR 6

SLPE LN REG LSI

24 5 2

4

LINE INTERFACE

DOC V DD VMC RMC

3

23 22 18

OREC(1) Vref

8

7

POWER CONTROL

BIAS

AND

REFERENCE

VSS 13

VSLPE

Zset

DST

ANTI

SIDETONE

sidetone

balance

Iline

GAIN

CONTROL

line current

PRES

PD

DPI

RRG

PCA1070

SEND

PROG-AMP

(15 dB)(2)

gain Gma

DYNAMIC

LIMITER

CLOCK

I2 C-BUS

TEST

INTERFACE INTERFACE CONTROL threshold

(0 dB)

(−25 dB)

receive mute

(0 dB)

(0 dB)

send mute

BTL RECEIVE

OUTPUT

14 QR

15

QR

maximum level

load select

RECEIVE

PROG-AMP

(-6 dB)(2)

gain Gra

17 DTMF

MICROPHONE

SUPPLY

10 VP

MICROPHONE

PREAMPLIFIER

(20 dB)

12 MIC

11

MIC

19

CLK

21 20

SDA SCL

16

TST(1)

9

OMIC(1)

MLA944

(1) Test pins.

(2) Default value.

1997 Jun 20

Fig.1 Block diagram.

3

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