IL329
OPTICALLY COUPLED TELECOM SWITCH
Preliminary Data Sheet
FEATURES
Dimensions in Inches (mm)
• Solid state relay and AC input
• Optocoupler Package—Single 18 Pin
• l/O Isolation, 2500 VRMS
• Surface Mountable
• Optocoupler
– Bidirectional Current Detection
1
18
Leads 5 & 14 missing
S
N.C
A
N.C
N.C
S'
K
N.C
18
.224 (5.7)
.216 (5.5)
A/K
K/A
N.C
N.C
C
C
.346 (8.79)
.326 (8.3)
Pin One
I.D.
E
N.C
• Solid-state Relay
– Typical RON 25 W
– Load Voltage 400 V
.484 (12.29)
.476 (12.1)
.301 (7.65)
.281 (7.14)
– Load Current 100 mA
– Current Limit Protection
– High Surge Capability
– Linear, AC/DC Operation
– Clean Bounce Free Switching
– Low Power Consumption
– High Reliability Monolithic Receptor
.025 (.635)
.005 (.127)
.047 (1.19)
.037 (.940)
40°
.083 (2.1)
.075 (1.9)
.042 (1.07)
.038 (.97)
10°
Typ.
All 8 sides
.016
(.41)
Typ.
.006
(.15)
.050
(1.27)
Typ.
Applications—General Telecom Switching
– On/off Hook Control
– Dial Pulse
– Ring Current Detection
– Loop Current Sensing
Absolute Maximum Ratings
Package
Ambient Temperature Range ............................................... –40 to +85°C
Storage Temperature Range .............................................. –40 to +150°C
Soldering Temperature (t=10 sec. max.)........................................ 260°C
DESCRIPTION
The IL329 Telecom switch consists of an optically
coupled solid state relay (SSR) and a bidirectional
input optocoupler. The SSR is ideal for performing
switchhook and dial-pulse switching while the opto-
coupler performs ring detection and loop current
sensing functions. Both the SSR and opto coupler
provide 2500 VRMS of input to ouput isolation.
Input/Output Isolation Voltage (t=60 sec. min.)........................2500 V
RMS
Total Power Dissipation ................................................................ 500 mW
Isolation Test Voltage (between emitter and detector)........ 2500 VAC
Isolation Resistance
RMS
12
V =500 V, T =25°C .................................................................≥10
Ω
IO
A
11
V =500 V, T =100°C ............................................................... ≥10
Ω
IO
A
Storage Temperature Range .........................................–55°C to +125°C
Ambient Temperature Range ........................................–55°C to +100°C
Soldering Temperature (max. ≤10 sec.,
dip soldering ≥0.5 mm from case bottom) .................................. 260°C
SSR
The SSR is integrated on a monolithic receptor die
using high voltage BCDMOS technology. The SSR
features low ON-resistance, high breakdown volt-
age and current-limit circuitry that protects the relay
from telephone line induced lightning surges.
LED Continuous Forward Current ...................................................50 mA
The optocoupler provides bidirectional current
sensing via two antiparallel GaAs infrared emitting
diodes. The opto channel provides a minimum CTR
of 33% at 6 mA.
LED Reverse Voltage (I ≤10 µA).......................................................... 5 V
R
DC or Peak AC Load Voltage (I ≤50 µA)........................................±400 V
L
Continous DC Load Current..........................................................100 mA
Total Power Dissipation ................................................................ 350 mW
Optocoupler
LED Continuous Forward Current ................................................ ±50 mA
Collector to Emitter Breakdown Voltage ............................................. 30 V
Phototransistor Power Dissipation................................................ 150 mW
The IL329 comes in a 18 pin, plastic surface mount
package.
5–106
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