IDT82V1671J IDT, Integrated Device Technology Inc, IDT82V1671J Datasheet - Page 62

• Manufacturer Part Number: IDT82V1671J
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT82V1671J

• 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: Not Compliant

Table - 23 Coefficient RAM Mapping
Notes:
(default value: 0)
(default value: 0)
UTD Integrator
RSLIC & CODEC CHIPSET
Digital Gain in
Transmit Path
(default: 0 dB)
Digital Gain in
(default: 0 dB)
Scaling (GIS)
Receive Path
Impedance
Coefficient
1. The default value of this word is 0000H. When using the dual tone generators, users should write 2000H (i.e. high byte: 20H, low byte: 00H) to this word to ensure proper operation.
2. When the gains in the transmit and receive paths are 0 dB, the default parameters of the UTD filters are as follows:
3. When the gains in the transmit and receive paths are 0 dB, the default parameters of the level meter filter are as follows:
DC Offset
Reserved
Reserved
Gain for
Word 7
(GRX)
(GTX)
bandpass filter: center frequency is 2100 Hz and bandwidth is 60 Hz.
bandstop filter: center frequency is 2100 Hz and bandwidth is 230 Hz.
bandpass/notch filter: center frequency is 1014 Hz and quality factor (Q) is 5.
UTDthld_Floor
(default: −18
Reserved
Reserved
Word 6
dBm)
LM Bandpass Filter Coefficient
LM Notch Filter Coefficient
Reserved
Reserved
UTDthld_Ceiling
UTD Bandstop Filter Coefficient
(default: −6
Word 5
dBm)
Coefficient for Frequency Response Correction in Transmit Path (FRX)
Coefficient for Frequency Response Correction in Receive Path (FRR)
(default: 2 mA)
(default: 20 V)
using the dual
tors. (default:
2000H when
tone genera-
(3)
Should be
RampEnd
0000H)
Transhybrid Balance Filter (ECF) Coefficient
Word 4
HKHyst
(3)
DC Feeding Coefficient
(1)
(default: the FRR is disabled)
(default: the ECF is disabled)
(default: the FRX is disabled)
(2)
(default:300V/S)
(default: 5 mA)
(default: 1447
RampSlope
RTthld_AC
TG2Freq
Impedance Matching Filter (IMF) Coefficient
Word 3
Hz)
62
(default: the IMF is disabled)
Reserved
(default: 0.94 V)
(default: 5 mA)
(default: 7 V)
RTthld_DC
RingOffset
TG2Amp
Word 2
UTD Bandpass Filter Coefficient
(default: 852 Hz)
(default: 30 Hz)
Reserved
Reserved
Reserved
RingFreq
TG1Freq
Word 1
IDT82V1671/IDT82V1671A, IDT82V1074
(default: 0.94 V)
(default: 7 mA)
UTD Integrator
(default: 40 V)
Coefficient
TG1Amp
RingAmp
Word 0
HKthld
(2)
Address
Offset/
0AH
0BH
00H
01H
02H
03H
04H
05H
06H
07H
08H
09H
Block 10
Block 11
Block 0
Block 1
Block 2
Block 3
Block 4
Block 5
Block 6
Block 7
Block 8
Block 9
Notes