ICL7107CPL+ - Encyclopedia Entry

Product Overview

Category

The ICL7107CPL+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic measurement applications, particularly for analog-to-digital conversion.

Characteristics

• High precision and accuracy
• Low power consumption
• Easy to use
• Wide operating voltage range

Package

The ICL7107CPL+ is available in a 40-pin plastic dual in-line package (DIP).

Essence

The essence of the ICL7107CPL+ lies in its ability to convert analog signals into digital data with high precision and reliability.

Packaging/Quantity

The ICL7107CPL+ is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Resolution: 3.5 digits
• Supply Voltage Range: 5V to 15V
• Conversion Time: 100ms
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 0V to Vref (Reference Voltage)

Detailed Pin Configuration

1. IN+ (Non-Inverting Input)
2. IN- (Inverting Input)
3. REF HI (Reference Voltage High)
4. REF LO (Reference Voltage Low)
5. AGND (Analog Ground)
6. DGND (Digital Ground)
7. A/D OUT (Analog-to-Digital Output)
8. D1 (Digit 1)
9. D2 (Digit 2)
10. D3 (Digit 3)
11. D4 (Digit 4)
12. D5 (Digit 5)
13. D6 (Digit 6)
14. D7 (Digit 7)
15. D8 (Digit 8)
16. D9 (Digit 9)
17. D10 (Digit 10)
18. D11 (Digit 11)
19. D12 (Digit 12)
20. D13 (Digit 13)
21. D14 (Digit 14)
22. D15 (Digit 15)
23. D16 (Digit 16)
24. D17 (Digit 17)
25. D18 (Digit 18)
26. D19 (Digit 19)
27. D20 (Digit 20)
28. D21 (Digit 21)
29. D22 (Digit 22)
30. D23 (Digit 23)
31. D24 (Digit 24)
32. D25 (Digit 25)
33. D26 (Digit 26)
34. D27 (Digit 27)
35. D28 (Digit 28)
36. D29 (Digit 29)
37. D30 (Digit 30)
38. D31 (Digit 31)
39. D32 (Digit 32)
40. V+ (Positive Supply Voltage)

Functional Features

• High input impedance
• Built-in voltage reference
• On-chip clock generator
• Multiplexed display outputs
• Overrange and underrange indication

Advantages and Disadvantages

Advantages

• High precision measurement
• Low power consumption
• Easy integration into electronic systems
• Wide operating voltage range allows for versatile applications

Disadvantages

• Limited resolution compared to more advanced ADCs
• Requires external reference voltage for accurate measurements

Working Principles

The ICL7107CPL+ utilizes a successive approximation technique to convert analog signals into digital data. It consists of an analog multiplexer, a comparator, a successive approximation register (SAR), and a digital-to-analog converter (DAC). The analog input is sampled and compared with the internal reference voltage. The SAR iteratively approximates the input voltage by adjusting the DAC output until it matches the input signal. The resulting digital code represents the converted value.

Detailed Application Field Plans

The ICL7107CPL+ finds extensive use in various applications, including: - Digital multimeters - Panel meters - Data loggers - Process control systems - Industrial automation - Medical equipment

Detailed and Complete Alternative Models

1. ADC0804
2. MAX11645
3. MCP3208
4. ADS1115
5. LTC2400

These alternative models offer similar functionality and can be considered as substitutes for the ICL7107CPL+ in different applications.

In conclusion, the ICL7107CPL+ is a highly reliable and widely used integrated circuit for analog-to-digital conversion. Its high precision, low power consumption, and ease of use make it suitable for various electronic measurement applications. However, it has certain limitations in terms of resolution and external reference voltage requirement. Nonetheless, its working principles and compatibility with alternative models make it a valuable component in numerous fields, ranging from