SI3225-BQ Silicon Laboratories Inc, SI3225-BQ Datasheet - Page 48
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SI3225-BQ
Manufacturer Part Number
SI3225-BQ
Description
IC SLIC/CODEC DUAL-CH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Specifications of SI3225-BQ
Package / Case
*
Function
Subscriber Line Interface Concept (SLIC), CODEC
Interface
GCI, PCM, SPI
Number Of Circuits
2
Voltage - Supply
3.3V, 5V
Current - Supply
65mA
Power (watts)
941mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Includes
Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
Product
SLIC
Supply Voltage (min)
3.13 V
Supply Current
22 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:
SI3225-BQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Si3220/25 Si3200/02
48
I
I
I
I
Q2
Q5
Q6
Q1
#
1
2
3
4
5
LOOP CLOSURE
LOOP OPEN
LOOP OPEN
Processor
RING-GND
RING-GND
Signal
Input
LFS
Loop
State
Table 27. State Transitions During Ground Key Detection
I
LONG
Figure 22. Ground Key Detection Circuitry
(FWD-ACTIVE)
(FWD-ACTIVE)
(FWD-ACTIVE)
(TIP-OPEN)
(TIP-OPEN)
LINEFEED
LONGLPF
Digital
LFS = 3
LFS = 3
LFS = 1
LFS = 1
LFS = 1
LPF
State
LONGHITH
Ground Key
Threshold
Rev. 1.3
LONGLOTH
–
+
I
(mA)
LOOP
22
22
21
0
0
I
(mA)
LONG
–11
–11
Debounce
LONGDBI
0
0
0
Filter
LCR
0
1
1
1
0
LONGHI
LONGHI
Interrupt
LONGE
Logic
0
1
1
0
0
CMHIGH
0
0
1
0
0
LONGS