821621J8 IDT, Integrated Device Technology Inc, 821621J8 Datasheet - Page 4
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821621J8
Manufacturer Part Number
821621J8
Description
Manufacturer
IDT, Integrated Device Technology Inc
Datasheet
1.821621J8.pdf
(21 pages)
Specifications of 821621J8
Number Of Channels
1
On-hook Transmission
Yes
Polarity Reversal
No
On-chip Ring Relay Driver
Yes
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
-40C to 85C
Package Type
PLCC
Operating Temperature Classification
Industrial
Pin Count
32
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
Features ....................................................................................................................................................................................................................... 1
Description .................................................................................................................................................................................................................. 1
Functional Block Diagram ......................................................................................................................................................................................... 1
Pin Configuration ........................................................................................................................................................................................................ 5
Pin Description ........................................................................................................................................................................................................... 6
Functional Description ............................................................................................................................................................................................... 7
DC Electrical Characteristics ................................................................................................................................................................................... 10
AC Electrical Characteristics ................................................................................................................................................................................... 11
Test Circuits .............................................................................................................................................................................................................. 15
Basic Application Circuit ......................................................................................................................................................................................... 18
Ordering Information ................................................................................................................................................................................................ 19
Table of Contents
SLIC States Control ......................................................................................................................................................................................... 7
Off-hook Detector ............................................................................................................................................................................................. 7
Ring-trip Detector ............................................................................................................................................................................................. 7
Relay Drivers Control ....................................................................................................................................................................................... 8
DC Feeding ...................................................................................................................................................................................................... 8
Impedance Matching ........................................................................................................................................................................................ 9
Receive Gain Setting ....................................................................................................................................................................................... 9
Thermal Management ...................................................................................................................................................................................... 9
2
Table of Contents
October 8, 2003