CYG20XX
Electrical Characteristics (Continued)
Parameter
Conditions
Min
Typ
Max
Unit
Surge, Transient, and
Isolation Characteristics
Surge Protection Voltage Tip and Ring
(Pins 11,10)
-
-
-
300
V
V
Transient Voltage Protection on
Line 1 and Line 2 (Pins 1,2)
-
-5
-
-
-
+5
Isolation Voltage
(Pins 1,2,7,8,9,17,18 to10,11,13,14)
Per FCC 68.302
1000
V
RMS
Loop Detection Characteristics
(CYG2010/CYG2011/CYG2030/CYG2031)
Loop Current Detection Threshold
Internal optocoupler with
2.2K Pull-up resistor
9
10
11
mA
Test Circuits
1. CYG20XX Transmit Insertion Loss
+5V
2. CYG20XX Receive Insertion Loss
+5V
Rm
294Ω
VR
Rm
294Ω
VCC
LINE1
LINE2
+VBATT
ILOOP
VT
VCC
LINE1
+VBATT
GND
LINE2
GND
10H
ILOOP
CID1
CID2
10H
CID1
CID2
LOOP
OH
OH
TIP
600Ω
TIP
AC
Source
VLR
VLT
600Ω
10H
RING
RING
RING
RING
10H
VR
V
LT
Receive Insertion Loss = GRC
=
20Log
Transmit Insertion Loss = GTR = 20Log
V LR
VT
-VBATT
-VBATT
CYG2020/2021/2030/2031
Caller ID Connections
Pins 13 & 14 should be connected to a 1-Form-A solid state relay (Clare LCA110), as follows:
VCC
1
2
6
4
CID1
CID2
µP Control
(Active Low)
Rev. 1
www.clare.com
3
CLARE [ CLARE ]
