參數資料
型號: TLC546I
廠商: Texas Instruments, Inc.
英文描述: 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
中文描述: 8位模擬數字轉換器與串行控制和19輸入端
文件頁數: 3/13頁
文件大?。?/td> 184K
代理商: TLC546I
TLC545C, TLC545I, TLC546C, TLC546I
8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 19 INPUTS
SLAS066B – DECEMBER 1985 – REVISED OCTOBER 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical equivalent inputs
INPUT CIRCUIT IMPEDANCE DURING SAMPLING MODE
INPUT CIRCUIT IMPEDANCE DURING HOLD MODE
1 k
TYP
Ci = 60 pF TYP
(equivalent input
capacitance)
5 M
TYP
INPUT
A0–A18
INPUT
A0–A18
operating sequence
Access
Cycle B
(see Note C)
B0
B2
C4
twH(CS)
Don’t Care
B7
B0
B1
B2
B3
B4
B5
B6
B7
C3
C2
C1
C0
LSB
MSB
Conversion Data B
MSB
MSB
LSB
Hi-Z State
Don’t Care
MSB
LSB
(see Note B)
MSB
Previous Conversion Data A
A7
A7
A6
A5
A4
A3
A2
A1
A0
LSB
B1
B3
MSB
B4
Don’t
1
1
See Note A
tconv
Sample Cycle B
8
8
7
6
5
4
3
2
7
6
5
4
3
2
I/O
CLOCK
CS
DATA
OUT
ADDRESS
INPUT
Care
Access
Cycle C
Sample
Cycle C
Hi-Z
State
NOTES: A. The conversion cycle, which requires 36 system clock periods, is initiated with the eighth I/O CLOCK
after CS
for the channel
whose address exists in memory at that time.
B. The most significant bit (MSB) will automatically be placed on the DATA OUT bus after CS is brought low. The remaining seven bits
(A6–A0) will be clocked out on the first seven I/O CLOCK falling edges.
C. To minimize errors caused by noise at the CS input, the internal circuitry waits for three system clock cycles (or less) after a chip
select transition before responding to control input signals. Therefore, no attempt should be made to clock-in address data until the
minimum chip-select setup time has elapsed.
相關PDF資料
PDF描述
TLC545C 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC545I 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL AND 19 INPUTS
TLC548C 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
TLC548I 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
TLC549C 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
相關代理商/技術參數
參數描述
TLC546IFN 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
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TLC548 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
TLC548C 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
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