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): 19/24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
19
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
100000000000
011111111111
000000000010
000000000001
000000000000
111111111110
0
0.0016
1.6376
1.6384
1.6392
D
100000000001
111111111101
111111111111
3.2752
3.2760
3.2768
2048
2047
2
1
0
4094
S
2049
4093
4095
0
VI – Analog Input Voltage – V
VZT = VZS + 1/2 LSB
VZS
See Notes A and B
3
0.0008
VFT = VFS – 1/2 LSB
VFS
VFSnom
NOTES: A. This curve is based on the assumption that Vref+ and Vref– have been adjusted so that the voltage at the transition from digital 0
to 1 (VZT) is 0.0004 V and the transition to full scale (VFT) is 3.2756 V. 1 LSB = 0.8 mV.
B. The full-scale value (VFS) is the step whose nominal midstep value has the highest absolute value. The zero-scale value (VZS) is
the step whose nominal midstep value equals zero.
Figure 16. Ideal Conversion Characteristics
Processor
Control
Circuit
Analog
Inputs
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
AIN8
AIN9
AIN10
I/O CLOCK
DATA INPUT
CS
DATA OUT
EOC
REF+
REF–
GND
TLV2543
To Source
Ground
3-V DC Regulated
1
2
3
4
5
6
7
8
9
11
12
15
18
17
16
19
14
13
10
Figure 17. Serial Interface
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