82V1074PF IDT, Integrated Device Technology Inc, 82V1074PF Datasheet - Page 76

• Manufacturer Part Number: 82V1074PF
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of 82V1074PF

• 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: TQFP
• Operating Temperature Classification: Industrial
• Pin Count: 100
• 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

RSLIC & CODEC CHIPSET
LREG7: Analog Gain Selection, AC/DC Ring Trip Selection, Ring Generator and Tone Generators Enable, Read/Write (06H/86H)
LREG8: Ramp Generator Enable, Level Meter Path Selection and Notch/Bandpass Filter Characteristic Configuration, UTD Source
IM_629
RING
RT_SEL
RING_EN
TG2_EN
TG1_EN
Selection and UTD Enable, Read/Write (07H/87H)
RAMP_EN
LM_NOTCH
LM_FILT
LM_SRC
Command
Command
I/O data
I/O data
RAMP_EN
SM[2:0] = '011':
SM[2:0] = '100':
SM[2:0] = '101':
SM[2:0] = '110':
SM[2:0] = '111':
Analog Gain for Impedance Scaling (AGIS)
IM_629 = 0:
IM_629 = 1:
CODEC operating mode control bit
RING = 0:
RING = 1:
AC/DC ring trip selection
RT_SEL = 0:
RT_SEL = 1:
Enable the internal ring generator
RING_EN = 0:
RING_EN = 1:
Enable Tone Generator 2 (TG2)
TG2_EN = 0:
TG2_EN = 1:
Enable Tone Generator 1 (TG1)
TG1_EN = 0:
TG1_EN = 1:
Enable Ramp Generator
RAMP_EN = 0:
RAMP_EN = 1:
Level meter notch/bandpass filter characteristic selection
LM_NOTCH = 0:
LM_NOTCH = 1:
Level meter filter (bandpass/notch) enable
LM_FILT = 0:
LM_FILT = 1:
Level meter AC/DC source selection
LM_SRC = 0:
LM_SRC = 1:
R/W
R/W
b7
b7
Reserved
Reserved
b6
b6
0
0
Ring Open;
Tip Open;
Internal Test;
Low Power Standby;
Power Down.
600 Ω (only for loops with 600 Ω equivalent impedance) (default);
900 Ω (for all loops including those with 600 Ω equivalent impedance).
Ring mode is disabled (default);
Ring mode is enabled.
AC Ring Trip is selected (default);
DC Ring Trip is selected.
internal ringing stops (default);
internal ringing starts.
TG2 is disabled (default);
TG2 is enabled.
TG1 is disabled (default);
TG1 is enabled.
ramp generator is disabled (default);
ramp generator is enabled.
notch filter characteristic is selected (default);
bandpass filter characteristic is selected.
level meter filter (bandpass/notch) is disabled (default);
level meter filter (bandpass/notch) is enabled.
signal from DC path is selected for level metering (default);
signal from AC path is selected for level metering.
LM_NOTCH
IM_629
b5
b5
0
0
LM_FILT
RING
76
b4
b4
0
0
LM_SRC
RT_SEL
b3
b3
0
0
RING_EN
DC_SRC
b2
b2
1
1
IDT82V1671/IDT82V1671A, IDT82V1074
UTD_SRC
TG2_EN
b1
b1
1
1
UTD_EN
TG1_EN
b0
b0
0
1