SI3202-G-FS Silicon Laboratories Inc, SI3202-G-FS Datasheet - Page 48

• Manufacturer Part Number: SI3202-G-FS
• Description: IC LINEFEED INTRFC 125V 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3202-G-FS

• Function: Subscriber Line Interface Concept (SLIC), CODEC
• Interface: GCI, PCM, SPI
• Number Of Circuits: 2
• Voltage - Supply: 3.13 V ~ 5.25 V
• Current - Supply: 65mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width) Exposed Pad, 16-eSOIC, 16-HSOIC
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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