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参数资料
型号： SI3225DC0-EVB
厂商： Silicon Laboratories Inc
文件页数： 5/112页
文件大小： 0K
描述： DAUGHTER CARD W/SI3200 INTERFACE
标准包装： 1
系列： ProSLIC®
主要目的： 接口，模拟前端（AFE）
已用 IC / 零件： Si3225
已供物品： 板，CD
Si3220/25 Si3200/02
102
Rev. 1.3
Not
Recommended
fo
r N
ew
D
esi
gn
s
99
IREF
I
IREF Current Reference.
Connects to an external resistor to provide a highly-accurate
reference current. Return path for IREF resistor should be
routed to QGND pin.
17, 64
STIPDCb,
STIPDCa
I
TIP Sense.
Analog current input senses dc voltage on TIP side of sub-
scriber loop.
18, 63
STIPACb, STI-
PACa
I
TIP Transmit Input.
Analog input senses ac voltage on TIP side of subscriber loop.
19, 62
SRINGACb,
SRINGACa
I
RING Transmit Input.
Analog input senses ac voltage on RING side of subscriber
loop.
20, 61
SRINGDCb,
SRINGDCa
I
RING Sense.
Analog current input senses dc voltage on RING side of sub-
scriber loop.
21, 60
ITIPNb,
ITIPNa
O
Negative TIP Current Control.
Analog current output provides dc current return path to VBAT
from TIP side of the loop.
22, 59
IRINGNb,
IRINGNa
O
Negative RING Current Control.
Analog current output provides dc current return path to VBAT
from RING side of the loop.
23, 58
ITIPPb,
ITIPPa
O
Positive TIP Current Control.
Analog current output drives dc current onto TIP side of sub-
scriber loop in normal polarity. Also modulates ac current onto
TIP side of loop.
24, 37,
42, 57
24, 37,
42, 57
VDD2,VDD3,
VDD4,VDD1
Supply Voltage.
Power supply for internal analog and digital circuitry. Connect
all VDD pins to the same supply and decouple to adjacent GND
pin as close to the pins as possible.
25, 38,
41, 56
25, 38,
41, 56
GND2,GND3,
GND4,GND1
Ground.
Ground connection for internal analog and digital circuitry.
Connect all pins to low-impedance ground plane.
26, 55
IRINGPb,
IRINGPa
O
Positive RING Current Control.
Analog current output drives dc current onto RING side of sub-
scriber loop in reverse polarity. Also modulates ac current onto
RING side of loop.
27,54
THERMb,
THERMa
I
Temperature Sensor.
Senses Internal temperature of Si3200/2. Connect to THERM
pin of Si3200/2 or to VDD when using discrete linefeed circuit.
29, 51
TRD1b,
TRD1a
O
Test Relay Driver Output.
Drives test relays for connecting loop test equipment.
Pin Number(s)
Symbol
Input/
Output
Description
Si3220
Si3225
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相关代理商/技术参数
参数描述
SI3225DCX-EVB 功能描述:子卡和OEM板 Si3225 Daughter Card RoHS:否 制造商:BeagleBoard by CircuitCo 产品:BeagleBone LCD4 Boards 用于:BeagleBone - BB-Bone - Open Source Development Kit
Si3225-FQ 功能描述:电信线路管理 IC Dual-Channel SLIC/ codec RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
SI3225-FQR 制造商:Silicon Laboratories Inc 功能描述:
Si3225-G-FQ 功能描述:电信线路管理 IC Dual-Channel SLIC codec RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
SI3225-G-FQR 功能描述:电信线路管理 IC Dual-CH SLIC/codec Ext Ringing Support RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
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