SI3232PPT0-EVB Silicon Laboratories Inc, SI3232PPT0-EVB Datasheet - Page 23
SI3232PPT0-EVB
Manufacturer Part Number
SI3232PPT0-EVB
Description
BOARD EVAL W/SI3200 INTERFACE
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Datasheet
1.SI3232-FQ.pdf
(128 pages)
Specifications of SI3232PPT0-EVB
Main Purpose
Interface, Analog Front End (AFE)
Utilized Ic / Part
Si3232
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Secondary Attributes
-
Embedded
-
Primary Attributes
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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The dc linefeed circuitry generates the necessary TIP/RING I/V characteristics along with loop closure and ring trip
detection. For loop start applications, V
programmable with a range from 18–45 mA.
Parameter
Linefeed
Linefeed Shadow
Battery Feed Control
Loop Current Limit
On-Hook Line Voltage
Common Mode Voltage
V
V
V
Overhead Voltage
Ringing Overhead Voltage
V
OC
OC
OC
OC
Delta for Off-Hook
Delta Threshold, Low
Delta Threshold, High
During Battery Tracking
Figure 8. V
Table 13. Register and RAM Locations used for Linefeed Control
TIP–RING
VOCTRACK
VOCDELTA
Mnemonic
LINEFEED
LINEFEED
Register /
VOVRING
VOCHTH
RLYCON
VOCLTH
RAM
VOC
VCM
VOV
ILIM
vs. I
60
50
40
30
20
10
TIP
0
V
OC
–V
LOOP
R
O
Preliminary Rev. 0.96
RING
Register/RAM Bits
VOCTRACK[15:0]
VOCDELTA[14:0]
= 600 Ω
VOVRING[14:0]
VOCTHD[15:0]
VOCTHD[15:0]
10
Characteristic for Loop Start Operation
VCM[14:0]
VOC[14:0]
VOV[14:0]
is programmable. The loop current limit, I
ILIM[4:0]
LFS[2:0]
BATSEL
I
LF[2:0]
LOOP
20
I
LIM
(mA)
R
30
O
I
Loop Closure
LIM
= 320 Ω
Threshold
40
Programmable
VBATH/VBATL
= 24 mA
See Table 12
Monitor only
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
0 to 63.3 V
18–45 mA
Range
50
LSB Size
0.875 mV
4.907 mV
4.907 mV
4.907 mV
4.907 mV
4.907 mV
4.907 mV
4.907 mV
4.907 mV
N/A
N/A
N/A
LIM
Si3232
, is software-
Resolution
Effective
0.875 mA
1.005 V
1.005 V
1.005 V
1.005 V
1.005 V
1.005 V
1.005 V
1.005 V
N/A
N/A
N/A
23
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