ICL7117C/D

Product Overview

Category

ICL7117C/D belongs to the category of integrated circuits (ICs).

Use

ICL7117C/D is commonly used in electronic devices for analog-to-digital conversion.

Characteristics

• High precision and accuracy in converting analog signals to digital format.
• Low power consumption.
• Compact size, suitable for integration into various electronic systems.

Package

ICL7117C/D is available in a standard DIP (Dual In-line Package) format.

Essence

The essence of ICL7117C/D lies in its ability to accurately convert analog signals into digital data, enabling precise measurements and control in electronic applications.

Packaging/Quantity

ICL7117C/D is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Resolution: 3.5 digits
• Conversion Rate: Up to 3 conversions per second
• Input Voltage Range: ±200mV to ±2V
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: +5V DC

Detailed Pin Configuration

ICL7117C/D consists of the following pins:

1. V+ (Positive Supply Voltage)
2. V- (Negative Supply Voltage)
3. REF HI (Reference Voltage High)
4. REF LO (Reference Voltage Low)
5. IN HI (Input Voltage High)
6. IN LO (Input Voltage Low)
7. AGND (Analog Ground)
8. DGND (Digital Ground)
9. A/D OUT (Analog-to-Digital Output)
10. CLK (Clock Input)
11. STROBE (Conversion Start Input)
12. HOLD (Hold Input)
13. TEST (Test Input)
14. CAP HI (Capacitor Connection High)
15. CAP LO (Capacitor Connection Low)
16. REF OUT (Reference Voltage Output)

Functional Features

• High-resolution analog-to-digital conversion.
• Internal voltage reference for accurate measurements.
• Built-in clock and control circuitry for easy integration.
• Hold function to freeze the conversion result.

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog-to-digital conversion.
• Low power consumption.
• Compact size for easy integration into electronic systems.
• Versatile application in various electronic devices.

Disadvantages

• Limited input voltage range.
• Requires an external clock signal for operation.

Working Principles

ICL7117C/D operates based on the successive approximation method. It converts the analog input voltage into a digital value by comparing it with a reference voltage and iteratively adjusting the digital output until the conversion is complete.

Detailed Application Field Plans

ICL7117C/D finds applications in various fields, including:

1. Industrial automation: Used for precise measurement and control in manufacturing processes.
2. Medical equipment: Enables accurate monitoring of vital signs and patient parameters.
3. Test and measurement instruments: Provides high-precision data acquisition capabilities.
4. Consumer electronics: Integrated into devices such as multimeters and digital panel meters.

Detailed and Complete Alternative Models

Some alternative models to ICL7117C/D include:

1. ADC0804: 8-bit analog-to-digital converter with similar features.
2. MAX11614: 16-bit resolution ADC with higher accuracy.
3. LTC2400: 24-bit ADC for ultra-high precision applications.

These alternative models offer different resolutions, accuracy levels, and additional features to suit specific requirements.

In conclusion, ICL7117C/D is a highly accurate and compact integrated circuit used for analog-to-digital conversion. Its versatile applications, low power consumption, and ease of integration make it a popular choice in various electronic devices across different industries.

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