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| 型号： | ICL7117CPL+3 |
| 厂商： | Maxim Integrated |
| 文件页数： | 5/8页 |
| 文件大小： | 0K |
| 描述： | IC ADC 3.5 DIGIT W/LED 40-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 10 |
| 显示器类型： | LED |
| 配置： | 7 段显示 |
| 数字或字符： | A/D，3.5 位数字 |
| 电流 - 电源： | 800µA |
| 电源电压： | 4.75 V ~ 5.25 V |
| 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-PDIP |
| 包装： | 管件 |
ICL7116/ICL7117
Detailed Description
The Maxim ICL7116 and ICL7117 3? digit ADCs are
similar to the Maxim ICL7106 and ICL7107, except for the
addition of a Hold pin. For a detailed product description,
package dimensions, and applications information (other
than the operation of the Hold pin described below) refer
to Maxim’s ICL7106 and ICL7107 data sheet
Hold Input
The Hold input is a digital input with a logic threshold
approximately midway between V+ and Test (ICL7116)
or V+ and Ground (ICL7117). The ICL7116/ICL7117 con-
tinuously performs conversions, independent of the Hold
Figure 1
0.1μF
3? Digit ADCs with Display Hold
input. When the Hold input is connected to V+, however,
the display latch pulse is inhibited, and the the display
latches are not updated. The Hold input has a 70kΩ pull -
down resistor to Test (ICL7116) or Ground (ICL7117) and
the Hold input will be pulled low if it is left open. When
Hold is low the ICL7116/ICL7117 updates the display
at the end of each conversion. The Hold input is CMOS
compatible and can also be driven by a switch connected
to V + ( Figure 1 and Figure 2 ) or by a PNP transistor.
Unlike the ICL7106 and the ICL7107, the ICL7116 and
ICL7117 do not have a Reference Low input. Apply the
reference voltage between Reference High (REF HI) and
Common.
ANALOG
INPUT
+
-
1 M?
0.01μF
31
30
32
34 33
C+REF C-REF
IN HI
IN LO
COMMON
2–19
22–25
POL
BP
SEGMENT
DRIVE
20
21
LCD DISPLAY
MINUS SIGN
BACKPLANE
DRIVE
47 k?
0.22μF
28
0.47μF
29
29
ICL7116
BUFF
A-Z
INT
OSC 2 OSC 3
HOLD
V +
REF HI
V -
OSC 1
1
35
36 V REF
26
24 k?
10 k?
CLOSED = HOLD
OPEN = RUN
9V
39
38
C OSC
100pF
R OSC
100 k?
40
TO ANALOG
COMMON PIN
[PIN 32]
Figure 1. Maxim ICL7116 Typical Operating Circuit, 200mV Reference
www.maximintegrated.com
Maxim Integrated │ 5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICL7117CQ | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3 Digit A/D Converter With Display Hold |
| ICL7117CQH | 制造商:Maxim Integrated Products 功能描述:3 1/2 DIGIT A/D W/DIRECT LCD DISPLAY HOLD - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| ICL7117CQH+D | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| ICL7117CQH+TD | 功能描述:显示驱动器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| ICL7117CQH-D | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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