ICL7116CQH+D

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL7116CQH+D is a high-performance, 3.5-digit analog-to-digital converter (ADC) designed for various precision measurement applications.

Characteristics: - High accuracy and resolution - Low power consumption - Wide operating voltage range - Fast conversion speed - Easy to use and integrate into existing systems

Package: The ICL7116CQH+D is available in a compact 40-pin ceramic quad flat pack (CQFP) package.

Essence: This IC is the heart of many digital measurement systems, providing accurate and reliable conversion of analog signals into digital data.

Packaging/Quantity: The ICL7116CQH+D is typically sold in reels containing 250 units per reel.

Specifications

• Resolution: 3.5 digits
• Conversion Time: 100 µs
• Reference Voltage Range: ±10V
• Operating Voltage Range: ±4V to ±18V
• Power Consumption: 1.2 mW (typical)
• Input Voltage Range: -0.3V to VDD + 0.3V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ICL7116CQH+D features a total of 40 pins, each serving a specific function. Here is a detailed pin configuration:

1. VREF-
2. VREF+
3. AGND
4. REFOUT
5. INLO
6. INHI
7. VIN-
8. VIN+
9. VDD
10. DGND
11. D0
12. D1
13. D2
14. D3
15. D4
16. D5
17. D6
18. D7
19. D8
20. D9
21. D10
22. D11
23. D12
24. D13
25. D14
26. D15
27. D16
28. D17
29. D18
30. D19
31. D20
32. D21
33. D22
34. D23
35. D24
36. D25
37. D26
38. D27
39. D28
40. D29

Functional Features

• High-resolution conversion of analog signals to digital data
• Built-in voltage reference generator for accurate measurements
• Multiplexed input channels for versatile signal acquisition
• On-chip display drivers for direct interface with 7-segment displays
• Serial interface for easy communication with microcontrollers or other digital devices

Advantages and Disadvantages

Advantages: - High accuracy and resolution ensure precise measurements - Low power consumption for energy-efficient operation - Wide operating voltage range allows for flexibility in various applications - Fast conversion speed enables real-time data acquisition - Easy integration into existing systems due to its user-friendly design

Disadvantages: - Limited number of input channels may restrict simultaneous measurement of multiple signals - Requires external components for proper operation, such as a stable voltage reference

Working Principles

The ICL7116CQH+D utilizes the successive approximation technique to convert analog signals into digital data. It employs an internal voltage reference and a comparator network to compare the input voltage with a series of binary-weighted voltages. The converter iteratively adjusts the binary bits until the digital output accurately represents the input voltage.

Detailed Application Field Plans

The ICL7116CQH+D finds extensive application in various fields, including: 1. Industrial process control systems 2. Scientific research and experimentation 3. Medical equipment and instrumentation 4. Automotive electronics 5. Test and measurement instruments 6. Data acquisition systems

Detailed and Complete Alternative Models

1. ICL7107CQH+D: Similar to the ICL7116CQH+D, but with a 3.5-digit display driver.
2. ICL7126CQH+D: A higher-resolution version with 4.5 digits and additional features.
3. MAX11612EUA+: An alternative ADC with similar specifications and performance.

These alternative models offer similar functionality and can be considered as substitutes for the ICL7116CQH+D in specific applications.

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