SI3201-FSR Silicon Laboratories Inc, SI3201-FSR Datasheet - Page 29

• Manufacturer Part Number: SI3201-FSR
• Description: SLIC 1-CH 60dB 41mA 3.3V/5V 16-Pin SOIC EP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of SI3201-FSR

• Package: 16SOIC EP
• Number Of Channels Per Chip: 1
• Longitudinal Balanced: 60 dB
• Loop Current: 41 mA
• Minimum Operating Supply Voltage: 3.13 V
• Typical Operating Supply Voltage: 3.3|5 V
• Typical Supply Current: 88 mA

*Note: The Linefeed register (LF) is located in direct Register 64.
LF[2:0]*
Figure 17. Simplified ProSLIC Linefeed Architecture for TIP and RING Leads (One Shown)
000
001
010
011
100
101
110
111
TIP or
RING
C
R
AC
AC
Reverse On-Hook Transmission
Forward On-Hook Transmission
Control
AC Sense
AC
Linefeed State
Reverse Active
Forward Active
Ring Open
TIP Open
Control
Ringing
Loop
Open
AC
Codec
Audio
A/D
D/A
Table 22. ProSLIC Linefeed Operations
R
BP
DSP
Q
Q
N
P
Rev. 1.0

R
E
Q
TIP and RING tri-stated
V
V
TIP tri-stated, RING active; used for ground start
Ringing waveform applied to TIP and RING
V
V
RING tri-stated, TIP active
DN
TIP
TIP
RING
RING
> V
> V
> V
> V
RING
RING
TIP
TIP
M onitor A/D
SLIC DAC
Control
; audio signal paths enabled
; audio signal paths enabled
A/D
D/A
Loop
DC
DC Sense
Description
Control
R
DC
DC
R
SE
Em itter Sense
Battery Sense
R
Si3216
BAT
V
BAT
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