821621J8 IDT, Integrated Device Technology Inc, 821621J8 Datasheet - Page 4

• Manufacturer Part Number: 821621J8
• Manufacturer: IDT, Integrated Device Technology Inc

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
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Table of Contents
October 8, 2003