ICL7136CQH+TD

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL7136CQH+TD is a high-performance, precision analog-to-digital converter (ADC) designed for various applications in the field of electronic measurement and instrumentation.

Characteristics: - High accuracy - Low power consumption - Wide operating voltage range - Fast conversion speed - Easy to use

Package: The ICL7136CQH+TD is available in a compact 40-pin ceramic quad flat pack (CQFP) package.

Essence: This IC is an essential component in electronic devices that require accurate measurement and conversion of analog signals into digital data.

Packaging/Quantity: The ICL7136CQH+TD is typically sold in reels or tubes containing a quantity of 100 units per package.

Specifications

• Resolution: 3.5 digits
• Conversion Time: 100 µs
• Reference Voltage Range: ±10V
• Operating Voltage Range: ±4V to ±18V
• Power Consumption: 1.5 mW (typical)
• Input Voltage Range: -0.3V to VDD + 0.3V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The ICL7136CQH+TD features a total of 40 pins. Below is the detailed pin configuration:

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Pin No. Name Description

1 INTEGRATE Integration Capacitor Terminal 2 REF HI Positive Reference Voltage Input 3 REF LO Negative Reference Voltage Input 4 A/D IN Analog Input Terminal 5 AGND Analog Ground 6 VREF Reference Voltage Output 7 VDD Positive Supply Voltage 8 VSS Negative Supply Voltage 9-16 D0-D7 Digital Output Pins (Least Significant Bit to Most Significant Bit) 17 EOC End of Conversion Output 18 CLK Clock Input 19 STROBE Strobe Input 20 TEST Test Mode Input 21-28 A0-A7 Address Inputs 29-36 B0-B7 Data Inputs/Outputs 37 WR Write Enable Input 38 RD Read Enable Input 39 CS Chip Select Input 40 RESET Reset Input ```

Functional Features

The ICL7136CQH+TD offers the following functional features:

1. High Accuracy: The IC provides precise measurement and conversion of analog signals, ensuring accurate digital output.
2. Low Power Consumption: With a power consumption of only 1.5 mW, the IC is energy-efficient and suitable for battery-powered applications.
3. Fast Conversion Speed: The ADC can perform conversions in just 100 µs, enabling real-time data acquisition.
4. Easy to Use: The IC incorporates a straightforward pin configuration and requires minimal external components, simplifying circuit design and integration.

Advantages and Disadvantages

Advantages: - High accuracy ensures reliable measurement results. - Low power consumption prolongs battery life in portable devices. - Fast conversion speed allows for real-time data processing. - Easy integration due to simple pin configuration.

Disadvantages: - Limited resolution of 3.5 digits may not be sufficient for certain high-precision applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The ICL7136CQH+TD operates on the principle of successive approximation. It converts analog input voltages into digital data by comparing the input voltage with an internal reference voltage. The conversion process involves integrating the input voltage, comparing it with a reference voltage, and generating a digital output based on the comparison result.

Detailed Application Field Plans

The ICL7136CQH+TD finds applications in various fields, including:

1. Electronic Measurement Instruments: The IC is suitable for use in multimeters, data loggers, oscilloscopes, and other measurement devices.
2. Industrial Automation: It can be employed in process control systems, PLCs (Programmable Logic Controllers), and industrial monitoring equipment.
3. Medical Devices: The IC can be utilized in medical instruments such as patient monitors, blood pressure monitors, and electrocardiographs.
4. Automotive Electronics: It finds application in automotive testing equipment, battery monitoring systems, and vehicle diagnostic tools.

Detailed and Complete Alternative Models

1. ICL7106: A similar ADC with a 3.5-digit resolution and a lower operating voltage range.
2. MAX11646: An alternative ADC offering higher resolution (up to 4.5 digits) and a wider operating temperature range.
3. LTC2400: A high-resolution ADC with up to 24 bits of resolution and low power