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參數資料
| 型號： | HI7131CPL |
| 廠商： | INTERSIL CORP |
| 元件分類： | ADC |
| 英文描述： | 3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
| 中文描述： | 1-CH 3-BIT DUAL-SLOPE ADC, PARALLEL ACCESS, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數： | 7/21頁 |
| 文件大小： | 209K |
| 代理商： | HI7131CPL |
3-1832
Pin Descriptions
PIN NUMBER
NAME
FUNCTION
DESCRIPTION
40 PIN DIP
44 PIN
FLATPACK
1
8
V+
Supply
Power Supply.
2
9
D1
Output
Driver Pin for Segment “D” of the display units digit.
3
10
C1
Output
Driver Pin for Segment “C” of the display units digit.
4
11
B1
Output
Driver Pin for Segment “B” of the display units digit.
5
12
A1
Output
Driver Pin for Segment “A” of the display units digit.
6
13
F1
Output
Driver Pin for Segment “F” of the display units digit.
7
14
G1
Output
Driver Pin for Segment “G” of the display units digit.
8
15
E1
Output
Driver Pin for Segment “E” of the display units digit.
9
16
D2
Output
Driver Pin for Segment “D” of the display tens digit.
10
17
C2
Output
Driver Pin for Segment “C” of the display tens digit.
11
18
B2
Output
Driver Pin for Segment “B” of the display tens digit.
12
19
A2
Output
Driver Pin for Segment “A” of the display tens digit.
13
20
F2
Output
Driver Pin for Segment “F” of the display tens digit.
14
21
E2
Output
Driver Pin for Segment “E” of the display tens digit.
15
22
D3
Output
Driver pin for segment “D” of the display hundreds digit.
16
23
B3
Output
Driver pin for segment “B” of the display hundreds digit.
17
24
F3
Output
Driver pin for segment “F” of the display hundreds digit.
18
25
E3
Output
Driver pin for segment “E” of the display hundreds digit.
19
26
AB4
Output
Driver pin for both “A” and “B” segments of the display thousands digit.
20
27
POL
Output
Driver pin for the negative sign of the display.
21
28
BP/GND
Output
Driver pin for the LCD backplane/Power Supply Ground.
22
29
G3
Output
Driver pin for segment “G” of the display hundreds digit.
23
30
A3
Output
Driver pin for segment “A” of the display hundreds digit.
24
31
C3
Output
Driver pin for segment “C” of the display hundreds digit.
25
32
G2
Output
Driver pin for segment “G” of the display tens digit.
26
34
V-
Supply
Negative power supply.
27
35
INT
Output
Integrator amplifier output. To be connected to integrating capacitor.
28
36
BUFF
Output
Input buffer amplifier output. To be connected to integrating resistor.
29
37
A-Z
Input
Integrator amplifier input. To be connected to auto-zero capacitor.
30
31
38
39
IN LO
IN HI
Input
Differential inputs. To be connected to input voltage to be measured. LO and HI
designators are for reference and do not imply that LO should be connected to
lower potential, e.g., for negative inputs IN LO has a higher potential than IN HI.
32
40
COMMON
Supply/
Output
Internal voltage reference output.
33
34
41
42
C
REF
-
C
REF
+
Connection pins for reference capacitor.
35
36
43
44
REF LO
REF HI
Input
Input pins for reference voltage to the device. REF HI should be positive
reference to REF LO.
37
3
TEST
Input
Display test. Turns on all segments when tied to V+.
38
39
40
4
6
7
OSC3
OSC2
OSC1
Output
Output
Input
Device clock generator circuit connection pins.
HI7131, HI7133
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相關代理商/技術參數 |
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| HI7133 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:3 1/2 Digit, Low Power, High CMRR, LCD/LED Display-Type A/D Converters |
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