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參數資料
| 型號： | TP5510N |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Full Duplex Analog Front End for Consumer Applications |
| 中文描述： | 全雙工模擬前端的消費應用 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 197K |
| 代理商： | TP5510N |
TL/H/11186
T
February 1997
TP5510
Full Duplex Analog Front End (AFE)
for Consumer Applications
General Description
The TP5510 consists of a
m
-law monolithic AFE device uti-
lizing the A/D and D/A conversion architecture shown in
Figure 1, and a serial data interface. The device is fabricat-
ed using National’s advanced double-poly CMOS process
(microCMOS).
The A/D portion of the device consists of an input gain
adjust amplifier, an active RC pre-filter which eliminates very
high frequency noise, and a switched-capacitor band-pass
filter that rejects signals below 200 Hz and above 3400 Hz.
Also included are auto-zero circuitry and a compressing
A/D which samples the filtered signal and converts it to the
m
-law digital format. The decode portion of the device con-
sists of an expanding D/A, which reconstructs the analog
signal from the compressed
m
-law code, a low-pass filter
which corrects for the sin x/x response of the D/A output
and rejects signals above 3400 Hz, followed by a single-
ended power amplifier capable of driving low impedance
loads. The device requires a 1.536 MHz, 1.544 MHz or
2.048 MHz master clock, bit clocks which may vary from 64
kHz to 2.048 MHz; and 8 kHz frame sync pulses.
Features
Y
Complete A/D and D/A with filter system including:
D Serial Data Interface
D Encode high-pass and low-pass filter
D Decode low-pass filter with sin x/x correction
D Active RC noise filters
D
m
-law compatible A/D and D/A
D Internal precision voltage reference
D Internal auto-zero circuitry
Y
m
-lawDTP5510
Y
g
5V operation
Y
Low operating powerDtypically 60 mW
Y
Power-down standby modeDtypically 3 mW
Y
Automatic power-down
Y
TTL or CMOS compatible digital interfaces
Y
Maximizes PC card circuit density
Y
Plastic DIP and SOIC packages
Y
8-bit digital I/O
Y
13-bit dynamic range
Y
Use with DSP processor
Y
Applications: Tapeless Answering Machines, Cordless
Phones, Cellular Radio
Connection Diagram
Dual-In-Line Package
TL/H/11186–1
Top View
Order Number TP5510WM
See NS Package Number M16B
Order Number TP5510N
See NS Package Number N16A
TRI-STATE
é
is a registered trademark of National Semiconductor Corporation.
C
1996 National Semiconductor Corporation
RRD-B30M27/Printed in U. S. A.
http://www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TP5510WM | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TP5510WMX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:u-Law CODEC |
| TP5511N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law CODEC |
| TP5511WM | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law CODEC |
| TP5512J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:u-Law CODEC |
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