參數(shù)資料
型號(hào)： SI3220DCX-EVB
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 35/112頁(yè)
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： Si3220
已供物品： 板，CD
Si3220/25 Si3200/02
Rev. 1.3
29
Not
Recommended
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Table 17. Si3225 + Si3200 External Component Values
Component
Value
Function
C1, C2, C11, C12
100 nF, 100 V, X7R, ±20% Filter capacitors for TIP, RING ac sensing inputs.
C3, C4, C13, C14
10 nF, 100 V, X7R, ±20%
TIP/RING compensation capacitors.
C5, C6, C15, C16
1 F, 6.3 V, X7R, ±20%
Low-pass filter capacitors to stabilize differential and com-
mon mode SLIC feedback loops.
C301, C311, C32, C33
0.1 F, 100 V, Y5V
Decoupling for battery voltage supply pins.
C20–C25
0.1 F, 10 V, Y5V
Decoupling for analog and digital chip supply pins.
R1, R2, R11, R12
402 k
, 1/10 W, ±1%
Sense resistors for TIP, RING dc sensing nodes.
R5, R15
806 k
, 1/10 W, ±1%
Sense resistors for battery voltage sensing nodes.
R3, R4, R13, R14
4.7 k
, 1/10 W, ±1%
Current limiting resistors for TIP, RING ac sensing inputs.
R61, R161
40.2 k
, 1/10 W, ±5%
Sets bias current for battery switching circuit.
R7, R8, R17, R18
182
, 1/10 W, ±1%
Reference resistors for internal transconductance amplifier.
R9, R19, R20
806 k
, 1/10 W, ±1%
Sense registers for ringing generator feed.
R10
40.2 k
, 1/10 W, ±1%
Generates a high accuracy reference current.
R21, R22
510
, 2W, ±2%2
Feed resistor for ringing generator source.
R23, R253
0
, 1/10 W, ±5%
Protection against power supply transients.
R24, R263
15
, 1/8 W, ±5%
Protection against power supply transients.
R27, R284
39 k
, 1/10 W, ±5%
Pulldown resistors.
Notes:
1. Optional. Only required when using dual-battery architecture.
2. Example power rating.
3. Required for Si3200 revision E only.
4. R27 and R28 must be populated for each Si3225 in the system.
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