SI3019-F-GSR Silicon Laboratories Inc, SI3019-F-GSR Datasheet - Page 79
![IC VOICE DAA GCI/PCM/SPI 16SOIC](/photos/6/80/68073/16-soic__3_9mmwidth__sml.jpg)
SI3019-F-GSR
Manufacturer Part Number
SI3019-F-GSR
Description
IC VOICE DAA GCI/PCM/SPI 16SOIC
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3019-F-GSR.pdf
(112 pages)
Specifications of SI3019-F-GSR
Function
Data Access Arrangement (DAA)
Interface
GCI, PCM, SPI
Number Of Circuits
1
Voltage - Supply
3 V ~ 3.6 V
Current - Supply
8.5mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Includes
Line Voltage Monitor, Loop Current Monitor, Overload Detection, Parallel Handset Detection, Polarity Reversal Detection, TIP and
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Lead Free Status / RoHS Status
Supplier Unconfirmed, Lead free / RoHS Compliant
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Register 26. DC Termination Control
Reset settings = 0000_0000
Bit
7:6
5:4
3:2
1
0
Name
Type
Bit
Reserved
DCV[1:0]
MINI[1:0]
Name
DCR
ILIM
D7
TIP/RING Voltage Adjust.
These bits adjust the voltage on the DCT pin of the line-side device, which affects the TIP/
RING voltage on the line. Low-voltage countries should use a lower TIP/RING voltage. Rais-
ing the TIP/RING voltage can improve signal headroom.
Minimum Operational Loop Current.
Adjusts the minimum loop current at which the DAA can operate. Increasing the minimum
operational loop current can improve signal headroom at a lower TIP/RING voltage.
Current Limiting Enable.
0 = Current limiting mode disabled.
1 = Current limiting mode enabled. This mode limits loop current to a maximum of 60 mA per
the TBR21 standard.
DC Impedance Selection.
0 = 50 dc termination is selected. This mode should be used for all standard applications.
1 = 800 dc termination is selected.
These bits must always be written to 0.
DCV[1:0]
MINI[1:0]
DCV[1:0]
R/W
00
01
10
11
00
01
10
11
D6
DCT Pin Voltage
Min Loop Current
3.1 V
3.2 V
3.35 V
3.5 V
10 mA
12 mA
14 mA
16 mA
D5
MINI[1:0]
R/W
Rev. 1.31
D4
Function
D3
0
Si3050 + Si3018/19
D2
0
ILIM
R/W
D1
DCR
R/W
D0
79
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