參數(shù)資料
型號(hào): TLV2543I
廠商: Texas Instruments, Inc.
英文描述: 12-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 11 ANALOG INPUTS
中文描述: 12位模擬數(shù)字轉(zhuǎn)換器與串行控制和11個(gè)模擬輸入
文件頁(yè)數(shù): 17/24頁(yè)
文件大?。?/td> 379K
代理商: TLV2543I
TLV2543C, TLV2543I
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS096B – MARCH 1995 – REVISED OCTOBER 1995
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
Access Cycle B
Shift in New Multiplexer Address,
Simultaneously Shift Out Previous
Conversion Value
Sample Cycle B
A/D Conversion
Interval
Initialize
MSB
LSB
Previous Conversion Data
MSB
LSB
B7
C7
B7
A7
A6
A5
A4
A3
A2
A1
A0
1
2
3
4
5
6
7
8
1
I/O CLOCK
DATA OUT
DATA INPUT
CS
EOC
Initialize
Hi-Z
(see Note A)
B2
B1
B0
tconv
Figure 12. Timing for 8-Clock Transfer Using CS With MSB First
MSB
Access Cycle B
Sample Cycle B
A/D Conversion
Interval
Initialize
MSB
LSB
Previous Conversion Data
LSB
B7
B6
B5
C7
B7
A7
A6
A5
A4
A3
A2
A1
A0
Low Level
1
2
3
4
5
6
7
8
1
I/O CLOCK
DATA OUT
DATA INPUT
CS
EOC
Initialize
(see Note A)
B2
B1
B0
tconv
Shift in New Multiplexer Address,
Simultaneously Shift Out Previous
Conversion Value
Figure 13. Timing for 8-Clock Transfer Not Using CS With MSB First
NOTE A: To minimize errors caused by noise at CS, the internal circuitry waits for a setup time after CS
before responding to control
input signals. Therefore, no attempt should be made to clock in an address until the minimum CS setup time has elapsed.
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