參數資料
型號: PEF2445N
英文描述: ?Multipoint Switching and Conferencing Unit - Attenuation?
中文描述: ?多點交換和會議股-衰減?
文件頁數: 53/73頁
文件大小: 1618K
代理商: PEF2445N
PEB 2466
PEF 2466
Application Hints
Hardware Reference Manual
44
2001-02-20
7.2
Guidelines for Board Design
7.2.1
Filter Capacitors
For high frequency noise rejection, use 100 nF SMD ceramic capacitors on pins
V
DDA12
,
V
DDA34
and
V
DDREF
and connect to GND. Additional 2.2 μF tantalum capacitors
are recommended.
Use one 100 nF SMD ceramic capacitor on pin
V
DDD
and connect to GNDD.
Use a 1
μ
F
10
μ
F tantalum capacitor from +5 V supply to GND (central blocking).
Note: All blocking capacitors MUST be placed as close as possible to the
SICOFI
4-μC pins.
.
Figure 27
SICOFI
4-μC Test Circuit Configuration
SICOFI4-μC
PEB 2466-H
PCLK
FSC
DRB
DXB
TCB#
DRA
DXA
TCA#
V
DDD
RESET#
MCLK
GNDD
DOUT
DIN
DCLK
CS#
V
IN4
V
IN3
GNDA3
V
IN2
V
REF
GNDA4
V
OUT4
V
DDA34
V
OUT3
V
DDREF
GNDA2
V
OUT2
V
DDA12
V
OUT1
GNDA1
V
IN1
C
I
S
S
S
S
S
S
S
S
S
S
S
S
S
S
C
I
S
S
S
S
S
S
S
S
S
S
S
S
S
S
1-10μF
100nF
10K
PCM Interface
32
Micro-
controller
Interface
Signaling Interface, Channels 1&2
Signaling Interface, Channels 3&4
Analog Interface
2.2μF 100nF
1
16
17
33
48
49
64
5V
5 x 680K
5 x 680K
5 x 680K
5 x 680K
1μF
10μ
F
2.2μF 100nF
1μF
220nF
2.2μF 100nF
2.2μF 100nF
1μF
10μF
2.2μF 100nF
1μF
5V
5V
5V
10μF
10μF
5V
5V
4.7K
4.7K
2466_228
相關PDF資料
PDF描述
PEF24622 ?SOCRATES-4?
PEF2466-H A-Law/u-Law CODEC
PEF24901 ISDN LINE INTERFACE|BASIC|CMOS|QFP|64PIN|PLASTIC
PEF24901H ?Quad ISDN Echocancellation Circuit Digital Front-End for 4B3T Line Code?
PEF24902 ISDN Line Interface
相關代理商/技術參數
參數描述
PEF24470HV1.3 制造商:Rochester Electronics LLC 功能描述:- Bulk
PEF24471EV1.3 制造商:Lantiq 功能描述: 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Infineon Technologies AG 功能描述:
PEF24471EV1.3-G 功能描述:網絡控制器與處理器 IC T/E RoHS:否 制造商:Micrel 產品:Controller Area Network (CAN) 收發(fā)器數量: 數據速率: 電源電流(最大值):595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
PEF24471E-V12 制造商:Infineon Technologies AG 功能描述:
PEF24622 制造商:未知廠家 制造商全稱:未知廠家 功能描述:?SOCRATES-4?