LUCL9217AAR-D datasheet(4/30 Pages) AGERE

Part #	LUCL9217AAR-D

Description	Low-Cost Line Interface with Reverse Battery and PPM

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Manufacturer	AGERE [Agere Systems]

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4

Agere Systems Inc.

Data Sheet

November 2001

with Reverse Battery and PPM

L9217A/G Low-Cost Line Interface

Pin Information

Figure 2. 28-Pin PLCC

Table 1. Pin Descriptions

PLCC

Symbol

Type

Description

1

IPROG

I

Current-Limit Program Input. A resistor to DCOUT sets the dc current limit of the

device.

2

FB2

—

Polarity Reversal Slowdown. Connect a capacitor to ground to control the rate of bat-

tery reversal.

3

FB1

—

Polarity Reversal Slowdown. Connect a capacitor to ground to control the rate of bat-

tery reversal.

4

VCC

—

5 V Power Supply.

5

RCVP

I

Receive ac Signal Input (Noninverting). This high-impedance input controls the ac

differential voltage on tip and ring.

6

RCVN

I

Receive ac Signal Input (Inverting). This high-impedance input controls the ac differ-

ential voltage on tip and ring.

VTX

TXI

VITR

NSTAT

PPMIN

RTSP

RCVN

DCOUT

VBAT

PR

5

6

7

8

9

10

11

42

1

28

27

3

12

14

15

16

17

18

13

25

24

23

22

21

20

19

28-PIN PLCC

LCTH

RCVP

CF2

RTSN

26

28-PIN PLCC

12-3558 (F).c

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