ICL7109EQH+D

Product Overview

Category

The ICL7109EQH+D belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• High accuracy and resolution
• Low power consumption
• Wide operating voltage range
• Fast conversion speed

Package

The ICL7109EQH+D is available in a 40-pin ceramic dual in-line package (CDIP).

Essence

The essence of the ICL7109EQH+D lies in its ability to accurately convert analog signals into digital data, making it suitable for various applications requiring precise measurements.

Packaging/Quantity

The ICL7109EQH+D is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Resolution: 12 bits
• Conversion Time: 100 µs
• Operating Voltage Range: ±5V to ±18V
• Input Voltage Range: 0V to Vref
• Reference Voltage Range: 2.5V to 10V
• Power Consumption: 1.5mW (typical)

Detailed Pin Configuration

The ICL7109EQH+D features a total of 40 pins, each serving a specific function. The detailed pin configuration is as follows:

1. Vref-
2. Vref+
3. AGND
4. INLO
5. INHI
6. REFLO
7. REFHI
8. CAP-
9. CAP+
10. DGND
11. CLK
12. STBY
13. ALE
14. ADD0
15. ADD1
16. ADD2
17. ADD3
18. ADD4
19. ADD5
20. ADD6
21. ADD7
22. ADD8
23. ADD9
24. ADD10
25. ADD11
26. ADD12
27. ADD13
28. ADD14
29. ADD15
30. ADD16
31. ADD17
32. ADD18
33. ADD19
34. ADD20
35. ADD21
36. ADD22
37. ADD23
38. ADD24
39. ADD25
40. Vcc

Functional Features

The ICL7109EQH+D offers the following functional features:

• Dual-slope integration conversion technique
• Internal clock generator
• Multiplexed BCD outputs
• Overrange and underrange detection
• Zero suppression capability
• Built-in reference voltage source

Advantages and Disadvantages

Advantages

• High accuracy and resolution for precise measurements
• Low power consumption for energy-efficient designs
• Wide operating voltage range allows for versatile applications
• Fast conversion speed enables real-time data acquisition

Disadvantages

• Limited input voltage range may restrict certain applications
• Requires external components for proper operation
• Relatively large package size compared to newer ICs

Working Principles

The ICL7109EQH+D utilizes a dual-slope integration conversion technique to convert analog signals into digital data. It employs an internal clock generator to control the integration time, resulting in accurate and reliable conversions. The built-in reference voltage source ensures consistent performance across different operating conditions.

Detailed Application Field Plans

The ICL7109EQH+D finds extensive use in various fields that require precise analog-to-digital conversion. Some detailed application field plans include:

1. Industrial automation systems
2. Medical equipment
3. Scientific instruments
4. Data acquisition systems
5. Process control devices
6. Automotive electronics

Detailed and Complete Alternative Models

1. ICL7109CPL
2. ICL7109CM44
3. ICL7109CM44Z
4. ICL7109CM44Z-T
5. ICL7109CM44Z-TR

These alternative models offer similar functionality and performance to the ICL7109EQH+D, providing designers with options for their specific application requirements.

In conclusion, the ICL7109EQH+D is a highly accurate and versatile integrated circuit used for precision analog-to-digital conversion. Its wide range of applications, functional features, and availability of alternative models make it a popular choice among electronic designers seeking reliable and efficient data acquisition solutions.

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