参数资料
型号: TLV1543CDBR
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 11-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封装: GREEN, PLASTIC, SSOP-20
文件页数: 6/29页
文件大小: 804K
代理商: TLV1543CDBR
TLV1543C, TLV1543I, TLV1543M
3.3V 10BIT ANALOGTODIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS072E DECEMBER 1992 REVISED JANUARY 2004
14
WWW.TI.COM
NOTES: A. To minimize errors caused by noise at CS, the internal circuitry waits for a set up time plus two falling edges of the internal system
clock after CS
↓ before responding to control input signals. No attempt should be made to clock in an address until the minimum CS
setup time has elapsed.
B. A low-to-high transition of CS disables ADDRESS and the I/O CLOCK within a maximum of a setup time plus two falling edges of
the internal system clock.
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
B3
B2
B1
B0
C3
B9
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
12
3
4
5
6
7
8
9
10
1
I/O
CLOCK
DATA
OUT
ADDRESS
CS
EOC
Initialize
Low
Level
Hi-Z
See Note B
11
16
(see Note A)
Figure 11. Timing for 11- to 16-Clock Transfer Using CS (Serial Transfer Interval Shorter Than Conversion)
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
B3
B2
B1
B0
C3
B9
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
Low Level
12
3
4
5
6
7
8
9
10
1
I/O
CLOCK
DATA
OUT
ADDRESS
CS
EOC
Initialize
Must be High on Power Up
14
15
16
See Note B
(see Note A)
NOTES: A. The first I/O CLOCK must occur after the rising edge of EOC.
B. A low-to-high transition of CS disables ADDRESS and the I/O CLOCK within a maximum of a setup time plus two falling edges of
the internal system clock.
Figure 12. Timing for 16-Clock Transfer Not Using CS (Serial Transfer Interval Shorter Than Conversion)
相关PDF资料
PDF描述
TLV1543CDBG4 11-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
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