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參數(shù)資料
| 型號： | T8532 |
| 元件分類： | Codec |
| 英文描述： | T8502 and T8503 Dual PCM Codecs with Filters |
| 中文描述： | T8502和T8503雙的PCM編解碼器與濾波器 |
| 文件頁數(shù)： | 4/48頁 |
| 文件大?。?/td> | 999K |
| 代理商： | T8532 |
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4
Lucent Technologies Inc.
Preliminary Data Sheet
November 2000
Codec Chip Set
T8531/T8532 Multichannel Programmable
General Description
(continued)
T8532 Description
The T8532 block diagram is shown in Figure 2. Each of its eight channels consists of an antialias filter, sigma-delta
A/D and D/A converters, reconstruction and smoothing filters, termination impedance synthesis, and selectable
gain. The digital oversampled data is multiplexed onto a serial data port designed to interface with the T8531.
Another serial interface accepts control data from the T8531 for activating the various gain settings, self-test, and
powerdown modes. This chip also contains a precision voltage reference.
5-3794.b (F)
Figure 2. Block Diagram of T8532 Octal Converter
5-3796.d (F)
* Antialiasing filter.
Figure 3. Block Diagram of One T8532 Analog Channel
8-CHANNEL
A/D D/A
ANALOG HYBRID
&
TERMINATION
VOLTAGE
REFERENCE
OVERSAMPLED
DATA
INTERFACE
CONTROL
INTERFACE
VTX[7:0]
VRTX[7:0]
VRP[7:0]
VRN[7:0]
V
DDA
V
SSA
V
DD
V
SS
OSDX[1:0]
OSDR[1:0]
OSCK
OSFS
CDO
CDI
CCS
RSTB
GAIN
AAF*
∑
-
A/D
A
T
GAIN
SUM
GAIN
V REFERENCES
RECEIVE
FILTER
D/A
VTX
VRP
VRN
1.024 MHz
1.024 MHz
VRTX
DIGITAL LOOPBACK
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| T85331J | 制造商:BITECH 制造商全稱:Bi technologies 功能描述:Thick Film Super Low Profile SIP Resistor Networks |
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| T8535B | 制造商:AGERE 制造商全稱:AGERE 功能描述:T8535B/T8536B Quad Programmable Codec |
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