ICL7137CPL+ - English Editing Encyclopedia Entry

Product Overview

Category

ICL7137CPL+ belongs to the category of integrated circuits (ICs).

Use

This integrated circuit is commonly used in electronic devices for precision analog-to-digital conversion.

Characteristics

• High accuracy: The ICL7137CPL+ offers exceptional precision in converting analog signals to digital values.
• Low power consumption: This IC is designed to operate efficiently with minimal power requirements.
• Wide operating voltage range: It can function within a broad range of input voltages, making it versatile for various applications.
• Compact package: The ICL7137CPL+ is available in a compact package, ensuring ease of integration into electronic systems.

Package and Quantity

The ICL7137CPL+ is typically packaged in a plastic dual in-line package (DIP). It is commonly available in quantities of 25 or more units per package.

Specifications

The following are the specifications of the ICL7137CPL+:

• Resolution: 3.5 digits
• Input Voltage Range: ±200mV
• Reference Voltage: 2.5V
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: ±4V to ±18V
• Conversion Time: 100ms

Pin Configuration

The ICL7137CPL+ has a total of 40 pins. The pin configuration is as follows:

1. VREF-
2. VREF+
3. AGND
4. REFOUT
5. REFLO
6. REFHI
7. VDD
8. VSS
9. INLO
10. INHI
11. INCOM
12. A/D OUT
13. D0
14. D1
15. D2
16. D3
17. D4
18. D5
19. D6
20. D7
21. D8
22. D9
23. D10
24. D11
25. D12
26. D13
27. D14
28. D15
29. D16
30. D17
31. D18
32. D19
33. D20
34. D21
35. D22
36. D23
37. D24
38. D25
39. D26
40. D27

Functional Features

The ICL7137CPL+ offers the following functional features:

• High-resolution analog-to-digital conversion
• Internal reference voltage generation
• Multiplexed input channels for versatile signal acquisition
• Serial data output for easy interfacing with microcontrollers or other digital systems

Advantages and Disadvantages

Advantages

• High accuracy in analog-to-digital conversion
• Low power consumption
• Wide operating voltage range
• Compact package for easy integration

Disadvantages

• Limited resolution compared to more advanced ICs
• Requires external components for proper operation

Working Principles

The ICL7137CPL+ operates based on the principle of successive approximation. It utilizes an internal reference voltage to compare the input analog signal and generate a corresponding digital value.

Detailed Application Field Plans

The ICL7137CPL+ finds applications in various fields, including: 1. Industrial automation 2. Medical equipment 3. Test and measurement instruments 4. Process control systems 5. Data acquisition systems

Alternative Models

Here are some alternative models that can be considered as alternatives to the ICL7137CPL+:

1. MAX11645
2. LTC2400
3. ADS1115
4. MCP3424
5. HX711

These models offer similar functionality and can be used as alternatives depending on specific requirements.

In conclusion, the ICL7137CPL+ is a highly accurate integrated circuit used for analog-to-digital conversion in various electronic applications. Its compact package, low power consumption, and wide operating voltage range make it a popular choice among designers. However, it has limited resolution compared to more advanced ICs and requires external components for proper operation.