参数资料
型号: ICL7136CPL
厂商: Intersil
文件页数: 12/15页
文件大小: 0K
描述: IC ADC 3.5 DIGIT LCD 40-DIP
标准包装: 9
显示器类型: LCD
配置: 7 段显示
数字或字符: A/D,3.5 位数字
电流 - 电源: 70µA
电源电压: 9V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 40-DIP(0.600",15.24mm)
供应商设备封装: 40-DIP
包装: 管件
其它名称: ICL7136CPLIS
ICL7136
OSC 1 40
OSC 2 39
?
TO PIN 1
V+
1 V+
OSC 1 40
OSC 3 38
TEST 37
REF HI 36
50pF
SCALE
FACTOR
ADJUST
TO LOGIC
V CC
2 D1
3 C1
4 B1
OSC 2 39
OSC 3 38
TEST 37
TO
C REF 34 LOGIC
REF LO 35
C REF 34
C REF 33
COMMON 32
IN HI 31
IN LO 30
A-Z 29
BUFF 28
INT 27
V - 26
0.1 μ F
0.01 μ F
0.47 μ F
?
100k ? 1M ?
200k ? 470k ?
ZERO
ADJUST
390k ?
22k ?
SILICON NPN
MPS 3704 OR
SIMILAR
+
9V
-
5 A1
6 F1
7 G1
8 E1
9 D2
10 C2
11 B2
12 A2
13 F2
REF HI 36
REF LO 35
C REF 33
COMMON 32
IN HI 31
IN LO 30
A-Z 29
BUFF 28
GND
G2 25
14 E2
INT 27
C3 24
A3 23
G3 22
TO DISPLAY
15 D3
16 B3
17 F3
V - 26
G2 25
C3 24
V-
BP 21
TO BACKPLANE
O /RANGE
18 E3
A3 23
A silicon diode-connected transistor has a temperature coefficient
of about -2mV/ o C. Calibration is achieved by placing the sensing
transistor in ice water and adjusting the zeroing potentiometer for a
000.0 reading. The sensor should then be placed in boiling water
U /RANGE
19 AB4
20 POL
G3 22
BP 21
and the scale-factor potentiometer adjusted for a 100.0 reading.
? Value depends on clock frequency.
CD4023 OR
74C10
CD4077
FIGURE 10. ICL7136 USED AS A DIGITAL CENTIGRADE
THERMOMETER
TO PIN 1
FIGURE 11. CIRCUIT FOR DEVELOPING UNDERRANGE AND
OVERRANGE SIGNAL FROM ICL7136 OUTPUTS
OSC 1 40
180k ?
OSC 2 39
OSC 3 38
10 μ F
SCALE FACTOR ADJUST
(V REF = 100mV FOR AC TO RMS)
TEST 37
REF HI 36
50pF
5 μ F
CA3140
+
-
100k ?
AC IN
REF LO 35
1N914
C REF 34
C REF 33
0.1 μ F
20k ?
220k ?
470k ?
2.2M ?
COMMON 32
1 μ F
10k ?
1 μ F
10k ?
1 μ F
IN HI 31
4.3k ?
IN LO 30
A-Z 29
BUFF 28
INT 27
V - 26
0.47 μ F
180k ?
0.047 μ F
10 μ F
+
9V
-
100pF
(FOR OPTIMUM
BANDWIDTH)
0.22 μ F
G2 25
C3 24
A3 23
G3 22
BP 21
TO DISPLAY
TO BACKPLANE
Test is used as a common-mode reference level to ensure compatibility with most op amps.
FIGURE 12. AC TO DC CONVERTER WITH ICL7136
12
FN3086.6
July 21, 2005
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