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参数资料
| 型号： | HI7131CM44 |
| 厂商： | HARRIS SEMICONDUCTOR |
| 元件分类： | ADC |
| 英文描述： | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| 中文描述： | DUAL-SLOPE ADC, PARALLEL ACCESS, PQFP44 |
| 文件页数： | 18/21页 |
| 文件大小： | 209K |
| 代理商： | HI7131CM44 |
3-1843
FIGURE 104A. HI7131 AND HI7133 MEASURING RATIOMETRIC VALUES OF QUAD LOAD CELL
FIGURE 104B. CIRCUIT FOR DEVELOPING UNDERRANGE AND OVERRANGE SIGNALS FROM HI7133 OUTPUTS
FIGURE 104.
Typical Applications
(Continued)
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
32
31
30
29
OSC 1
OSC 2
OSC 3
TEST
REF HI
REF LO
C
REF
C
REF
COMMON
IN HI
IN LO
A-Z
BUFF
INT
V -
G2
C3
A3
G3
BP/GND
50pF
TO PIN 1
0.1
μ
F
180k
C
INT
0.47
μ
F
R
INT
TO
BACKPLANE 0V
TO DISPLAY
The resistor values within the bridge are determined by the desired
sensitivity.
V+
13
1
2
3
4
5
6
7
8
9
10
11
12
14
15
16
17
18
19
20
V+
D1
C1
B1
A1
F1
G1
E1
D2
C2
B2
A2
F2
E2
D3
B3
F3
E3
AB4
POL
28
40
39
38
37
36
35
34
33
32
31
30
29
27
26
25
24
23
22
21
OSC 1
OSC 2
OSC 3
TEST
REF HI
REF LO
C
REF
C
REF
COMMON
IN HI
IN LO
A-Z
BUFF
INT
V -
G2
C3
A3
G3
GND
O /RANGE
U /RANGE
CD4023 OR
74C10
LM339
TO LOGIC
V
CC
+5V
V-
33k
12k
The LM339 is required to ensure
logic compatibility with heavy dis-
play loading.
+
-
+
-
+
-
+
-
HI7131, HI7133
相关PDF资料 |
PDF描述 |
|---|---|
| HI7131CPL | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133 | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133CM44 | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133CPL | Power Resistor; Series:200; Resistance:4.5kohm; Resistance Tolerance: 5%; Power Rating:8W; Resistor Element Material:Ceramic; Temperature Coefficient:260 ppm; Leaded Process Compatible:No; Packaging:Bulk RoHS Compliant: No |
| HI7190IP | null24-Bit, High Precision, Sigma Delta A/D Converter |
相关代理商/技术参数 |
参数描述 |
|---|---|
| HI7131CM44S2324 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Harris Corporation 功能描述: |
| HI7131CPL | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| HI7133 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| HI7133 WAF | 制造商:Harris Corporation 功能描述: |
| HI7133CM44 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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