Harris Semiconductor ICL7137RCPL

The Harris Semiconductor ICL7137RCPL is an integrated circuit (IC) that belongs to the ICL71xx series of precision analog-to-digital converters (ADCs). Here's an overview of the ICL7137RCPL: Overview: The ICL7137RCPL is a 3.5-digit, high-performance ADC designed for use in precision measurement applications. It is specifically optimized for multiplexed panel meter displays but can also be used in other measurement systems. The IC operates from a single supply voltage of 5V and provides a BCD (Binary-coded Decimal) output. Functions: The ICL7137RCPL is primarily used for analog-to-digital conversion. It integrates a differential analog multiplexer, an analog-to-digital converter, a reference voltage, a segment decoder, and a display driver. It has a 3.5-digit resolution, allowing it to display values up to ±1999. Applications: The ICL7137RCPL is commonly used in a variety of measurement and control applications, including but not limited to: 1. Multiplexed panel meters and digital panel meters. 2. Temperature and pressure measurement systems. 3. Precision instrumentation and calibration equipment. 4. Industrial automation and control systems. Alternative Components: If the ICL7137RCPL is not available, here are a few alternative ICs that offer similar functionalities: 1. ICL7129: 3.5-digit ADC with a wider operating voltage range. 2. ICL7109: 12-bit ADC with internal reference voltage and on-chip clock. 3. MAX7219: LED matrix display driver with a built-in multiplexer. Embedded Modules: For embedded applications that require ADC functionality, there are various microcontroller modules available that integrate an ADC and can be programmed for specific measurement requirements. Some popular options include Arduino boards, Raspberry Pi, and STM32 microcontroller development boards. Q&A: 1. What is the maximum resolution of the ICL7137RCPL? The ICL7137RCPL has a 3.5-digit resolution, allowing it to display values up to ±1999. 2. Can I power the ICL7137RCPL with a supply voltage of 3.3V? No, the ICL7137RCPL requires a single supply voltage of 5V. 3. What is the input voltage range of the ICL7137RCPL? The input voltage range for the ICL7137RCPL is typically ±200mV, which can be extended by using an external input attenuator. 4. Does the ICL7137RCPL have built-in multiplexing capability? Yes, the ICL7137RCPL features an integrated differential analog multiplexer, allowing for multiplexed display applications. 5. What is the typical conversion time of the ICL7137RCPL? The conversion time for the ICL7137RCPL is typically 30ms, allowing for high-precision measurements with relatively fast response times. Please note that the specific datasheet and product documentation should be referred to for detailed technical information and specifications.