ICS1660 Datasheet, PDF (2/7 Pages) Integrated Circuit Systems – Incoming Call Line Identification (ICLID) Receiver with Ring Detection

ICS1660
Block Diagram
82k
TIP
RING
82k
LINE AF
0.1µF
0.1µF
0.01µF
LINE A
LINE B
5
BUFFER
7
RING
8 _DETECT
0.01µF
LINE BF 14
BUFFER
VIN 18
VDD 1
REGULATOR
5 VOLT
10µF
VSS 9
PWR 16
POWER
CONTROL
.022µF
.033µF
F1
F2 F3
15
10
13
DIFF
AMP
FILTER
LOW
BATTERY
DETECT
2 RING
11 ^FOUT
.0033µF
12
AMPIN
POST
AMP
6 VCOSET
4 LFILTER
PLL
3 POSTF
1000pF
MUX
17 FSKBAT
.022µF
.01µF 500k
2