ICL7107CMH+ - English Editing Encyclopedia Entry

Product Overview

Category

The ICL7107CMH+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for analog-to-digital conversion.

Characteristics

• High accuracy and resolution
• Low power consumption
• Wide operating voltage range
• Easy to use and integrate into circuit designs

Package

The ICL7107CMH+ is available in a 40-pin ceramic dual in-line package (CDIP).

Essence

This IC is essential for converting analog signals into digital form, enabling precise measurement and control in various applications.

Packaging/Quantity

The ICL7107CMH+ is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Resolution: 3.5 digits
• Supply Voltage Range: ±5V to ±18V
• Conversion Time: 100ms per reading
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Range: 0V to Vref (reference voltage)

Detailed Pin Configuration

1. IN1: Analog input 1
2. IN2: Analog input 2
3. IN3: Analog input 3
4. IN4: Analog input 4
5. IN5: Analog input 5
6. IN6: Analog input 6
7. IN7: Analog input 7
8. REF HI: Reference voltage high
9. REF LO: Reference voltage low
10. AGND: Analog ground
11. DGND: Digital ground
12. A/D GND: Ground reference for ADC
13. A/D OUT: Digital output
14. A/D CLK: Clock input
15. A/D CS: Chip select input
16. A/D MODE: Mode select input
17. A/D INH: Inhibit input
18. A/D REF: Reference voltage input
19. A/D CAP+: External capacitor positive terminal
20. A/D CAP-: External capacitor negative terminal
21. A/D INT: Internal reference voltage output
22. A/D TEST: Test input
23. A/D V+5V: +5V power supply
24. A/D V-5V: -5V power supply
25. A/D V+15V: +15V power supply
26. A/D V-15V: -15V power supply
27. A/D V+7V: +7V power supply
28. A/D V-7V: -7V power supply
29. A/D V+3V: +3V power supply
30. A/D V-3V: -3V power supply
31. A/D V+9V: +9V power supply
32. A/D V-9V: -9V power supply
33. A/D V+12V: +12V power supply
34. A/D V-12V: -12V power supply
35. A/D V+6V: +6V power supply
36. A/D V-6V: -6V power supply
37. A/D V+10V: +10V power supply
38. A/D V-10V: -10V power supply
39. A/D V+13V: +13V power supply
40. A/D V-13V: -13V power supply

Functional Features

• High-resolution analog-to-digital conversion
• Multiplexed input channels for versatile measurements
• Internal reference voltage generation
• Low noise and high linearity
• Built-in display drivers for direct connection to 7-segment displays

Advantages and Disadvantages

Advantages

• High accuracy and resolution for precise measurements
• Low power consumption, suitable for battery-powered devices
• Wide operating voltage range allows flexibility in power supply selection
• Easy integration into circuit designs due to its standardized pin configuration

Disadvantages

• Limited input voltage range compared to some other ICs
• Requires external components for proper operation
• Relatively higher cost compared to lower-end analog-to-digital converters

Working Principles

The ICL7107CMH+ utilizes a successive approximation technique to convert analog signals into digital form. It employs an internal reference voltage to establish the conversion range and compares the input voltage with a series of binary-weighted voltages. The conversion process is controlled by clock signals, and the result is outputted as a digital value.

Detailed Application Field Plans

The ICL7107CMH+ finds applications in various fields, including: 1. Digital multimeters 2. Data acquisition systems 3. Process control instruments 4. Temperature measurement devices 5. Industrial automation equipment 6. Power monitoring