參數(shù)資料
型號: T7531A
廠商: Lineage Power
元件分類: Codec
英文描述: 16-Channel Programmable Codec Chip Set(十六通道可編程編解碼器芯片組)
中文描述: 16通道可編程解碼器芯片組(十六通道可編程編解碼器芯片組)
文件頁數(shù): 4/44頁
文件大?。?/td> 772K
代理商: T7531A
4
Lucent Technologies Inc.
Data Sheet
February 1999
Codec Chip Set
T7531A/T7536 16-Channel Programmable
General Description
(continued)
T7536 Description
The T7536 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 T7531A.
Another serial interface accepts control data from the T7531A for activating the various gain settings, self-test, and
powerdown modes. This chip also contains a precision voltage reference. It is packaged in a 68-pin PLCC.
5-3794.b (F)
Figure 2. Block Diagram of T7536 Octal Converter
5-3796.d (F)
* Antialiasing filter.
Figure 3. Block Diagram of One T7536 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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