IDT82V1671AJ IDT, Integrated Device Technology Inc, IDT82V1671AJ Datasheet - Page 4

• Manufacturer Part Number: IDT82V1671AJ
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82V1671AJ

• Number Of Channels: 4
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: PLCC
• Operating Temperature Classification: Industrial
• Pin Count: 28
• Mounting: Surface Mount
• Operating Current: 95mA
• Operating Supply Voltage (max): 3.465V
• Operating Supply Voltage (min): 3.135V
• Lead Free Status / RoHS Status: Compliant

RSLIC & CODEC CHIPSET
1
2
3
Pin Configurations .............................................................................................................................................................................................9
1.1
1.2
Pin Descriptions...............................................................................................................................................................................................11
2.1
2.2
Functional Description ....................................................................................................................................................................................16
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
RSLIC Pin Configuration ...........................................................................................................................................................................9
CODEC Pin Configuration .......................................................................................................................................................................10
RSLIC Pin Description.............................................................................................................................................................................11
CODEC Pin Description ..........................................................................................................................................................................12
Functions Overview .................................................................................................................................................................................16
3.1.1
3.1.2
3.1.3
DC Feeding .............................................................................................................................................................................................17
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
Speech Processing..................................................................................................................................................................................20
3.3.1
3.3.2
Ring and Ring Trip...................................................................................................................................................................................23
3.4.1
3.4.2
Supervision..............................................................................................................................................................................................27
3.5.1
3.5.2
Metering by Polarity Reversal..................................................................................................................................................................29
Enhanced Signal Processing...................................................................................................................................................................30
3.7.1
3.7.2
3.7.3
Three-Party Conference ..........................................................................................................................................................................37
3.8.1
3.8.2
3.8.3
ITDF.........................................................................................................................................................................................................40
3.9.1
3.9.2
3.9.3
3.9.4
Basic Functions ..........................................................................................................................................................................16
Additional Functions ...................................................................................................................................................................16
Programmable Functions ...........................................................................................................................................................16
DC Feeding Characteristic Zones ..............................................................................................................................................17
Constant Current Zone...............................................................................................................................................................17
Resistive Zone............................................................................................................................................................................17
Constant Voltage Zone...............................................................................................................................................................17
DC Feeding Characteristics Configuration .................................................................................................................................18
AC Transmission ........................................................................................................................................................................20
3.3.1.1
3.3.1.2
Programmable Filters .................................................................................................................................................................21
3.3.2.1
3.3.2.2
3.3.2.3
3.3.2.4
Internal Ringing Mode ................................................................................................................................................................23
3.4.1.1
3.4.1.2
External Ringing Mode ...............................................................................................................................................................24
3.4.2.1
Off-hook Detection .....................................................................................................................................................................27
Ground-Key Detection................................................................................................................................................................29
Tone Generator ..........................................................................................................................................................................30
3.7.1.1
FSK Generation for Caller ID .....................................................................................................................................................30
Universal Tone Detection (UTD) ................................................................................................................................................34
3.7.3.1
3.7.3.2
3.7.3.3
Introduction.................................................................................................................................................................................37
PCM Interface Configuration ......................................................................................................................................................37
Control the Active PCM Channels..............................................................................................................................................38
Introduction.................................................................................................................................................................................40
Diagnosis and Test Functions ....................................................................................................................................................40
Integrated Signal Generators .....................................................................................................................................................40
Level Meter.................................................................................................................................................................................40
3.9.4.1
Receive Path ..............................................................................................................................................................21
Impedance Matching ..................................................................................................................................................21
Transhybrid Balance...................................................................................................................................................22
Frequency Response Correction................................................................................................................................22
Gain Adjustment .........................................................................................................................................................22
Internal Ringing Generation........................................................................................................................................23
Ring Trip Detection In Internal Ringing Mode.............................................................................................................23
Ring Trip Detection In External Ringing Mode............................................................................................................25
DTMF Generation.......................................................................................................................................................30
Introduction.................................................................................................................................................................34
UTD Principle .............................................................................................................................................................34
UTD Programming......................................................................................................................................................36
Level Meter Source Selection.....................................................................................................................................40
Transmit Path ............................................................................................................................................................20
TABLE OF CONTENTS
4
IDT82V1671/IDT82V1671A, IDT82V1074