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參數(shù)資料
| 型號： | HS-32 |
| 廠商： | C |
| 元件分類： | 串行ADC |
| 英文描述： | 14-Bit, 1MHz Sampling A/D Converters |
| 中文描述： | 14位，1MHz的采樣A / D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 86K |
| 代理商： | HS-32 |
ADS -941
4
Figure 3. ADS-941 Connection Diagram
Figure 2. ADS-941 Timing Diagram
Removing System Errors
Use external potentiometers to remove system errors or to
reduce the small initial errors to zero. Use a 100
trimpot in
series with the analog input for gain adjustment. Use a fixed
50
resistor instead of the trimpot for operation without
adjustment. Use a 20k
trimpot with the wiper tied to OFFSET
ADJUST (pin 5) for zero/offset adjustment. Connect pin 5 to
ANALOG GROUND (pin 6) for operation without zero/offset
adjustment.
ADS-941
20k
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
7
16
BIT 1 (MSB)
BIT 1 (MSB)
BIT2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 9
BIT 10
BIT 11
BIT 12
BIT 13
BIT 14 (LSB)
OVERFLOW
EOC
ANALOG
GROUND
DIGITAL
GROUND
0.1μF
4.7μF
0.1μF
ENABLE
4.7μF
+10V
REF. OUT
CODING SELECT
10
11
9
1
8
+5V
–5V
+5V
OFFSET
ADJUST
5
3
0.1μF
4.7μF
6, 14, 15
13
0.1μF
4.7μF
12
+
+
–15V
+15V
32
START CONVERT
ANALOG INPUT
100
2
BIPOLAR
4 SIGNAL GROUND
ZERO/OFFSET
ADJUST
0 to +10V
GAIN ADJUST
Scale is approximately 50ns per division.
START
CONVERT
INTERNAL S/H
N
N+1
35ns max.
EOC
10ns typ.
Conversion Time
600ns typ.
OUTPUT
DATA
DATA N VALID
Hold
DATA N-1 VALID
30ns max.
50ns min., 100ns max
350ns max.
Aquisition Time
INVALID DATA
600ns min.
400ns max.
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