參數(shù)資料
型號: SI3220DCX-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 8/112頁
文件大?。?/td> 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: Si3220
已供物品: 板,CD
Si3220/25 Si3200/02
Rev. 1.3
105
Not
Recommended
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5. Pin Descriptions: Si3200/2
Pin #(s)
Symbol
Input/
Output
Description
1
TIP
I/O
TIP Output.
Connect to the TIP lead of the subscriber loop.
2, 10, 11
NC
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.
Si3200/2 internal system battery supply. Connect SVBATa/b pin from
Si3220/25 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.
6VBATL
Low Battery Voltage.
Connect to lowest system battery supply for off-hook operation 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 Si3220 or Si3225 through an external
resistor to enable automatic battery switching. No connection is required
when used with the Si3225 in a single battery system configuration.
Si3200/2
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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