LUCL9219AAR-D AGERE [Agere Systems], LUCL9219AAR-D Datasheet - Page 4

• Manufacturer Part Number: LUCL9219AAR-D
• Description: Low-Cost Line Interface with Reverse Battery and Dual Current Limit
• Manufacturer: AGERE [Agere Systems]

L9219A/G Low-Cost Line Interface
with Reverse Battery and Dual Current Limit
Pin Information
Table 1. Pin Descriptions
4
PLCC Symbol Type
1
2
3
4
5
6
RCVN
RCVP
I
PROG
FB2
FB1
V
CC
—
—
—
I
I
I
DCOUT
RCVP
RCVN
LCTH
V
CF2
Current-Limit Program Input. A resistor to DCOUT sets the dc current limit of the
device. The value of current limit set via this resistor may be increased via logic control
(see state table for additional detail).
Polarity Reversal Slowdown. Connect a capacitor to ground to control the rate of bat-
tery reversal.
Polarity Reversal Slowdown. Connect a capacitor to ground to control the rate of bat-
tery reversal.
5 V Power Supply.
Receive ac Signal Input (Noninverting). This high-impedance input controls the ac
differential voltage on tip and ring.
Receive ac Signal Input (Inverting). This high-impedance input controls the ac differ-
ential voltage on tip and ring.
BAT
PR
5
6
7
8
9
10
11
12
4
13
3
Figure 2. 28-Pin PLCC
14
2
28-PIN PLCC
28-PIN PLCC
15
1
16
28
Description
17
27
26
18
25
24
23
22
21
20
19
VTX
TXI
VITR
NSTAT
NC
RTSP
RTSN
November 2001
Agere Systems Inc.
Data Sheet
12-3558 (F)