SI3232-BQ Silicon Laboratories Inc, SI3232-BQ Datasheet - Page 40
SI3232-BQ
Manufacturer Part Number
SI3232-BQ
Description
IC SLIC PROG DUAL-CH 64TQFP
Manufacturer
Silicon Laboratories Inc
Specifications of SI3232-BQ
Package / Case
*
Function
Subscriber Line Interface Concept (SLIC)
Interface
ISDN
Number Of Circuits
2
Voltage - Supply
3.13 V ~ 3.47 V
Current - Supply
28mA
Power (watts)
280mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Product
SLIC
Supply Voltage (min)
3.13 V
Supply Current
28 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Number Of Channels
2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI3232-BQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Si3232
Ring Trip Debounce Interval
The ac and dc ring trip debounce intervals can be
calculated based on the following equations:
RTACDB = t
RTDCDB = t
Loop Closure Mask
The Dual ProSLIC implements a loop closure mask to
ensure mode change between Ringing and Active or
40
ILOOP
debounce
debounce
Processor
Signal
Input
LFS
(1600/RTPER)
(1600/RTPER)
Figure 20. Ring Trip Detect Processing Circuitry
Digital
LPF
Digital
RTPER
LPF
AC Ring Trip
DC Ring Trip
Threshold
Threshold
RTACTH
RTDCTH
Preliminary Rev. 0.95
_
+
+
_
On-hook Transmission without causing an erroneous
loop-closure detection. The loop-closure mask register,
LCRMASK, should be set such that loop-closure
detections are ignored for (LCRMASK x 1.25 ms/LSB)
amount of time. The programmed time is set to mask
detection of transitional currents that occur when exiting
the ringing mode while driving a reactive load (i.e.,
5 REN). A typical setting is 80 ms (LCRMASK = 0x40).
Debounce
Filter_AC
RTACDB
Debounce
RTDCDB
Filter_DC
Interrupt
RTRIPE
Logic
RTP
RTRIPS
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