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| 型号： | ICL7135CPI |
| 厂商： | Intersil |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC CONV A/D 4 1/2 DIGIT 28-DIP |
| 标准包装： | 13 |
| 系列： | * |
| 其它名称： | ICL7135CPIIS NT5015 |
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ICL7135
Data Sheet
August 28, 2007
FN3093.4
4 1 / 2 Digit, BCD Output, A/D Converter
The Intersil ICL7135 precision A/D converter, with its
multiplexed BCD output and digit drivers, combines dual-
slope conversion reliability with ± 1 in 20,000 count accuracy
and is ideally suited for the visual display DVM/DPM market.
The 2.0000V full scale capability, auto-zero, and auto-
polarity are combined with true ratiometric operation, almost
ideal differential linearity and true differential input. All
necessary active devices are contained on a single CMOS
lC, with the exception of display drivers, reference, and a
clock.
The ICL7135 brings together an unprecedented combination
of high accuracy, versatility, and true economy. It features
auto-zero to less than 10 μ V, zero drift of less than 1 μ V/ o C,
input bias current of 10pA (Max), and rollover error of less
than one count. The versatility of multiplexed BCD outputs is
increased by the addition of several pins which allow it to
operate i n more sophisticated systems. These include
STROBE, OVERRANGE, UNDERRANGE, RUN/HOLD and
BUSY lines, making it possible to interface the circuit to a
microprocessor or UART.
Features
? Accuracy Guaranteed to ± 1 Count Over Entire ± 20000
Counts (2.0000V Full Scale)
? Guaranteed Zero Reading for 0V Input
? 1pA Typical Input Leakage Current
? True Differential Input
? True Polarity at Zero Count for Precise Null Detection
? Single Reference Voltage Required
? Overrange and Underrange Signals Available for Auto-
Range Capability
? All Outputs TTL Compatible
? Blinking Outputs Gives Visual Indication of Overrange
? Six Auxiliary Inputs/Outputs are Available for Interfacing to
UARTs, Microprocessors, or Other Circuitry
? Multiplexed BCD Outputs
? Pb-Free Plus Anneal Available (RoHS Compliant)
Ordering Information
Pinout
ICL7135
PART
PART
TEMP.
RANGE
PKG.
(PDIP)
TOP VIEW
NUMBER
MARKING
(°C)
PACKAGE
DWG. #
ICL7135CPI
ICL7135CPI
0 to +70 28 Ld PDIP
E28.6
V- 1
28 UNDERRANGE
ICL7135CPIZ ICL7135CPIZ 0 to +70 28 Ld PDIP
(Note 1) (Pb-free) (Note 2)
E28.6
REFERENCE 2
NALOG COMMON 3
27 OVERRANGE
26 STROBE
NOTES:
1. Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and
100% matte tin plate termination finish, which are RoHS
compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at
Pb-free peak reflow temperatures that meet or exceed the
Pb-free requirements of IPC/JEDEC J STD-020.
2. Pb-free PDIPs can be used for through hole wave solder
processing only. They are not intended for use in Reflow solder
processing applications.
INT OUT 4
AZ IN 5
BUFF OUT 6
REF CAP - 7
REF CAP + 8
IN LO 9
IN HI 10
V+ 11
(MSD) D5 12
(LSB) B1 13
B2 14
25 R/H
24 DIGITAL GND
23 POL
22 CLOCK IN
21 BUSY
20 (LSD) D1
19 D2
18 D3
17 D4
16 (MSB) B8
15 B4
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2000, 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICL7135CPI+ | 功能描述:模数转换器 - ADC 4 1/2 Digit ADC w/ MUXd BCD Outputs 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 |
| ICL7135CPI+2 | 功能描述:模数转换器 - ADC 4 1/2 Digit ADC w/ MUXd BCD Outputs 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 |
| ICL7135CPI-2 | 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 |
| ICL7135CPI-2+ | 制造商:Maxim Integrated Products 功能描述:4 1/2-digit A/D converter,ICL7135CPI-2 |
| ICL7135CPIR2489 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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