SI3200-BS Silicon Laboratories Inc, SI3200-BS Datasheet - Page 35

• Manufacturer Part Number: SI3200-BS
• Description: IC LINEFEED INTRFC 100V 16SOIC
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3200-BS

• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: GCI, PCM, SPI
• Number Of Circuits: 2
• Voltage - Supply: 3.3V, 5V
• Current - Supply: 110µA
• Power (watts): 941mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

#
1
2
3
4
5
I
I
I
I
Q2
Q5
Q6
Q1
LOOP CLOSURE
LOOP OPEN
LOOP OPEN
RING-GND
RING-GND
Loop
State
Processor
Signal
Input
LFS
Table 21. State Transitions During Ground Key Detection
I
LONG
(FWD-ACTIVE)
(FWD-ACTIVE)
(FWD-ACTIVE)
Figure 15. Ground Key Detection Circuitry
(TIP-OPEN)
(TIP-OPEN)
LINEFEED
LFS = 3
LFS = 3
LFS = 1
LFS = 1
LFS = 1
LONGLPF
State
Digital
LPF
LONGHITH
Preliminary Rev. 0.96
Ground Key
Threshold
I
LOOP
LONGLOTH
–
+
22
22
21
0
0
(mA) I
LONG
Debounce
–11
–11
LONGDBI
0
0
0
Filter
(mA)
LCR
0
1
1
1
0
LONGHI
Interrupt
LONGHI
LONGE
Logic
0
1
1
0
0
Si3232
CMHIGH
0
0
1
0
0
LONGS
35