Si3217x,-B, 3291x-A Short Datasheet by Silicon Labs

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ProSLIC Copyright © 2009 by Silicon Laboratories 4.14.09
RING
TIP
SPI
Control
Interface
PCM/
GCI
Interface
DSP
DTMF &
Tone Gen
Programmable
AC Impedance
and Hybrid
Caller ID
Ringing
Generator
ADC
DAC
CODEC SLIC
Linefeed
Control
Linefeed
Monitor
DC-DC Controller
Line Diagnostics
PLL
PCLK
FSYNC
DRX
DTX
CS
SDI
SDO
SCLK
INT
RST
SPI
Control
Interface
PCM/
GCI
Interface
DSP
DTMF &
Tone Gen
Programmable
AC Impedance
and Hybrid
Caller ID
Ringing
Generator
ADC
DAC
CODEC
CODEC SLIC
Linefeed
Control
Linefeed
Monitor
DC-DC Controller
Line Diagnostics
PLL
PCLK
FSYNC
DRX
DTX
CS
SDI
SDO
SCLK
INT
RST
Si3217x
ADC
DAC
Optional FXO
Isolation
Interface
Control
Si3291x
C1A
C2A
C1B
C2B
Linefeed
Isolation
Interface
Hybrid and
dc
Termination
Ring Detect
Off-Hook QE
QB
CID
IGND
VREG
DCT
RX
BOM
TIP
RING
FXS
FXO
Si3217x and Si3291x
ProSLIC® Single-Chip FXS Solution with FXO Option
Description
The Si3217x is a family of pin-compatible single-channel
ProSLIC products that implement a complete foreign
exchange station (FXS) telephony interface solution in
accordance with all relevant LSSGR, ITU and ETSI
specifications. Select parts in the series also implement
Silicon Laboratories' patented capacitive isolation
technology to enable seamless connection to Si3291x
series foreign exchange office (FXO) line-side devices. The
Si3217x ProSLIC ICs operate from a 3.3 V supply and
interface to standard PCM/SPI digital interfaces. The
Si3217x integrated dc-dc controller automatically
generates the optimal battery voltages required for each
line-state. Si3217x ICs are available with voltage ratings of
–110 V or –135 V to support a wide range of ringing
voltages. The Si3217x is available in a 5x7 mm 42-pin QFN
package. The Si3291x is available in a 16-pin SOIC
package.
Si3217x Features
-Performs all BORSCHT functions
-Ideal for short to medium loops
-Global programmability
-Simplified configuration and diagnostics
-Supported by ProSLIC API
-Low power standby operation
-Tracking dc-dc controller
-Patented low-power ringing
-Wideband voice support
-DTMF detection
-Pulse metering
-3.3 V operation
-Pb-free/RoHS-compliant packaging
Si3291x Features
-Greater than 5 kV isolation
-Global programmability
-Up to +6 dBm TX/RX level
-Parallel handset detection
-Type I and II caller ID support
-Integrated ring detector
-Programmable digital hybrid
Applications
-Customer Premise Equipment (CPE)
-VoIP DSL Gateways and Routers
-Wireless Local Loop (WLL)
-Integrated Access Devices (IAD)
-Analog Terminal Adapters (ATA)
-Small Office/Home Office (SOHO) PBX
Ordering Guide
FXS P/N Description Max Vbat Temperature
Si32176-B-FM FXS, wideband capable –110 V 0 to 70 °C
Si32176-B-GM FXS, wideband capable –110 V –40 to 85 °C
Si32177-B-FM FXS, wideband capable 135 V 0 to 70 °C
Si32177-B-GM FXS, wideband capable –135 V –40 to 85 °C
Si32178-B-FM FXS, DTMF detection, wideband capable with FXO support –110 V 0 to 70 °C
Si32171-B-FM FXS, DTMF detection, pulse metering –110 V 0 to 70 °C
Si32171-B-GM FXS, DTMF detection, pulse metering –110 V –-40 to 85 °C
FXO P/N Region Ringer Thresholds On-hook Speeds RoHS Compliant Temperature
Si32911-A-FS FCC/CTR21 1 2 Yes 0 to 70 °C
Si32919-A-FS Global 3 3 Yes 0 to 70 C
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ProSLIC Copyright © 2009 by Silicon Laboratories 4.14.09
Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc.
Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders
Si3217x and Si3291x
ProSLIC® Single-Chip FXS Solution with FXO Option
Parameter Symbol Test Condition Min Typical Max Unit
Ambient Temperature TAF-Grade 025 70 °C
G-Grade –40 25 85 °C
Supply Voltage, Si3217x VDD 3.13 3.3 3.47 V
Battery Voltage, Si3217x VBAT –15 –136/–110 V
Maximum Loop Resistance
(loop + load) RLOOP ILOOP=18 mA, VBAT = –48 V 2000
DC Differential Output
Resistance RDO ILOOP < ILIM 160 640
Idle Channel Noise C-Message weighted — 8 12 dBrnC
PSRR from VDD RX and TX, dc to 3.4 kHz 55 dB
Longitudinal to Metallic/PCM
Balance (forward or reverse)
200 Hz to 1 kHz 58 60 dB
1 kHz to 3.4 kHz 53 58 dB
Metallic/PCM to Longitudinal Balance 200 Hz to 3.4 kHz 40 dB
Longitudinal Impedance 200 Hz to 3.4 kHz at
TIP or RING 50
Longitudinal Current per Pin Active off-hook
200 Hz to 3.4 kHz 25 mA
DC Feed Current
See Table 5,
Si3217x
Data Sheet
VTR = 0 V — — 45 mA
2-Wire Return Loss 200 Hz to 3.4 kHz 26 30 dB
Transhybrid Balance 300 Hz to 3.4 kHz 26 30 dB
Thermal Resistance (QFN-42) θJA 32 °C/W
Thermal Resistance (SOIC-16) θJA 85 °C/W
Continuous Power Dissipation (QFN-42) PDTA = 85 °C 1.3 — W
Continuous Power Dissipation (SOIC-16) PDTA = 85 °C 0.47 — W
Selected Electrical Specifications
Package Information
42-Pin QFN
16-Pin SOIC
D
D2
e
E
E2
5.00 BSC
b
0.50 BSC
7.00 BSC
Min Typ Max
MM
0.20 0.25 0.30
3.35 3.40 3.45
A0.60 0.65 0.70
E3
E4 3.15 3.20 3.25
L0.35 0.40 0.45
L1 0.05 0.10 0.15
1.65 1.70 1.75
5.35 5.40 5.45
A2
b
c
D
E
A1
9.90 BSC
Min Max
0.31 0.51
A — 1.75
E1
e
L
L2
0.10 0.25
1.25
0.17 0.25
6.00 BSC
3.90 BSC
1.27 BSC
0.25 BSC
h
0.40 1.27
0.25 0.50
ø0° 8°

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