參數(shù)資料
型號: SI3232DCX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 25/128頁
文件大小: 0K
描述: DAUGHTER CARD W/DISCRETE INTRFC
標(biāo)準(zhǔn)包裝: 1
系列: ProSLIC®
主要目的: 接口,模擬前端(AFE)
已用 IC / 零件: Si3232
已供物品: 板,CD
Si3232
120
Preliminary Rev. 0.96
Not
Recommended
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10. Pin Descriptions: Si3200
Pin #(s)
Symbol
Input/
Output
Description
1
TIP
I/O
TIP Output
—Connect to the TIP lead of the subscriber loop.
2NC
No Internal Connection
—Do not connect to any electrical signal.
3
RING
I/O
RING Output
—Connect to the RING lead of the subscriber loop.
4VBAT
Operating Battery Voltage
—Si3200 internal system battery supply. Con-
nect SVBATa/b pin from Si3232 and decouple with a 0.1
F/100 V filter
capacitor.
5VBATH
High Battery Voltage
—Connect to the system ringing battery supply.
Decouple with a 0.1
F/100 V filter capacitor.
6
VBATL
Low Battery Voltage
—Connect to lowest system battery for off-hook oper-
ation driving short loops. An internal diode prevents leakage current when
operating from VBATH.
7GND
Ground
—Connect to a low-impedance ground plane.
8VDD
Supply Voltage
—Main power supply for all internal circuitry. Connect to a
3.3 V or 5 V supply. Decouple locally with a 0.1
F/10 V capacitor.
9
BATSEL
I
Battery Voltage Select
—Connect to the BATSEL pin of the Si3232 through
an external resistor to enable automatic battery switching.
10
NC
No Internal Connection
—Do not connect to any electrical signal.
11
NC
No Internal Connection
—Do not connect to any electrical signal.
12
IRINGN
I
Negative RING Current Control
—Connect to the IRINGN lead of the
Si3232.
13
IRINGP
I
Positive RING Current Drive
—Connect to the IRINGP lead of the Si3232.
14
THERM
O
Thermal Sensor
—Connection to internal temperature-sensing circuit. Con-
nect to THERM pin of Si3232.
Si3200
16-Lead SOIC
(epad)
116
215
314
413
512
611
710
89
ITIPP
THERM
IRINGP
IRINGN
NC
BATSEL
ITIPN
TIP
NC
RING
VBATH
GND
VBATL
VDD
VBAT
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