參數(shù)資料
型號: SI3225PPT0-EVB
廠商: Silicon Laboratories Inc
文件頁數(shù): 5/112頁
文件大?。?/td> 0K
描述: BOARD EVAL W/SI3200 INTERFACE
標(biāo)準(zhǔn)包裝: 1
系列: ProSLIC®
類型: ADC + DAC,編碼解碼器,前端
適用于相關(guān)產(chǎn)品: Si3225
所含物品: 評估板和光盤
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
相關(guān)PDF資料
PDF描述
MCP120-315GI/TO IC SUPERVISOR ACTIVE LOW TO-92
MAX6439UTFJYD3+T IC BATTERY MON SNGL SOT23-6
LHL13TB221K INDUCTOR 220UH 1.3A RADIAL
1838240-1 CONN MALE M12 3POS STR 2M CABLE
MCP120-300HI/TO IC SUPERVISOR ACTIVE LOW TO-92
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI3225PPT-EVB 制造商:SILABS 制造商全稱:SILABS 功能描述:EVALUATION BOARD FOR THE Si3225 DUAL PROSLIC
SI3225PPTX-EVB 功能描述:音頻 IC 開發(fā)工具 Si3225 Eval Board RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
SI3225-X-FQ 制造商:SILABS 制造商全稱:SILABS 功能描述:DUAL PROSLIC㈢ PROGRAMMABLE CMOS SLIC/CODEC
SI3225-X-GQ 制造商:SILABS 制造商全稱:SILABS 功能描述:DUAL PROSLIC㈢ PROGRAMMABLE CMOS SLIC/CODEC
SI3226 制造商:SILABS 制造商全稱:SILABS 功能描述:Dual ProSLIC㈢ with DC-DC Controller