CYG20XX

www.clare.com

Rev. 1

3

Electrical Characteristics (Continued)

Parameter

Conditions

Min

Typ

Max

Unit

Surge, Transient, and

Isolation Characteristics

Surge Protection Voltage Tip and Ring

-

-

-

300

V

(Pins 11,10)

Transient Voltage Protection on

Line 1 and Line 2 (Pins 1,2)

-

-5

-

+5

V

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

9

10

11

mA

2.2K Pull-up resistor

Test Circuits

LINE1

LINE2

OH

RING

10H

600

Ω

10H

TIP

RING

GND

CID1

CID2

+5V

G

Log

V

V

RC

R

LR

= 20

Receive Insertion Loss =

2. CYG20XX Receive Insertion Loss

AC

Source

Rm

294

Ω

LINE1

LINE2

+5V

OH

RING

10H

600

Ω

10H

TIP

RING

GND

CID1

CID2

LOOP

Rm

294

Ω

G

Log

V

V

TR

LT

T

= 20

Transmit Insertion Loss =

1. CYG20XX Transmit Insertion Loss

1

2

4

6

µP Control

(Active Low)

CID1

CID2

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: