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ICM7207
ICM7207 is a precision dual-slope ADC chip used for digital voltage and frequency measurements.
ICM7207
ICM7207 is a precision dual-slope ADC chip used for digital voltage and frequency measurements.
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Service & Packaging
Service & Packaging
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Initiate the application within 90 days from the shipment date.
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ICM7207 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The ICM7207 is a low cost, high performance, single chip microprocessor controlled 4 1/2 digit A/D converter. It provides serial output data and interface to industry standard 8051 and 8022 microprocessors. The ICM7207 features a 8 channel multiplexer, 4 1/2 digit resolution, ±1 count of nonlinearity, and a maximum conversion time of 90ms. It has a 12-bit ad converter with a maximum conversion time of 90ms. It operates with a single power supply between 4.5V to 5.5V and consumes a typical current of 1.5mA.The ICM7207 includes a 12-bit A/D converter, 8-channel multiplexer and a 4 1/2 digit LED display driver. It also includes an internal oscillator with 50ms period clock, and an on-chip reference that can be disabled for external reference. The ICM7207 is available in a 28-pin PDIP package and is specified for operation over the -40˚C to +85˚C temperature range. It is commonly used in digital multimeters, data loggers, and other industrial applications that require high accuracy and resolution A/D conversion.
Key Features
- Real Time Clock/Calendar with BCD code time and date inputs
- 12-Hour/24-Hour operation
- Programmable alarm interrupts
- Automatic leap-year compensation
- Serial output for microprocessor interface
- Low power consumption
Application
- Industrial automation
- Process control systems
- Motion control applications
- Energy management systems
- Robotics
- Automotive applications
- Medical equipment
- Telecommunications systems
- Security systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Part Life Cycle Code | Obsolete | Reach Compliance Code | |
| HTS Code ! | 8542.39.00.01 |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is ICM7207?
The ICM7207 is a precision, dual-slope analog-to-digital converter (ADC) designed by Intersil. It is commonly used in digital multimeters, data loggers, and industrial automation systems where accurate conversion of analog signals to digital data is required.
How Does ICM7207 Work?
The ICM7207 operates on the principle of dual-slope integration. It integrates the input voltage during two different time intervals: one with a fixed reference voltage and one with the input voltage. By comparing the integrated values, the converter determines the digital representation of the input signal. This method provides high accuracy and stability in conversion.
How Many Pins does ICM7207 have and What are the Functions of the Pinout Configuration?
The ICM7207 is housed in a 24-pin DIP (Dual Inline Package) package. The pinout configuration includes:
- V+: Positive power supply pin.
- V-: Negative power supply pin.
- Vref: Reference voltage input pin.
- Vin: Analog input voltage pin.
- CS: Chip select input pin.
- CLK: Clock input pin.
- D0-D7: Parallel output data pins.
- EOC: End of conversion output pin.
- OVF: Overflow output pin.
What are the Pros and Cons of ICM7207?
Pros:
- Precision: Provides accurate and stable conversion of analog signals to digital data.
- Dual-Slope Integration: Utilizes the dual-slope integration method for high-resolution conversion.
- Versatile Applications: Suitable for a wide range of applications requiring precision measurement.
- Parallel Output: Offers parallel output data for fast interfacing with external systems.
Cons:
- Complexity: Dual-slope ADCs like the ICM7207 may require careful calibration and timing considerations for optimal performance.
- Power Consumption: May consume more power compared to other types of ADCs.
- Package Size: The 24-pin DIP package may not be suitable for space-constrained designs.
Are There Any Equivalents/Alternatives to ICM7207 for Recommendation?
- The ICL7106 from Intersil is a similar dual-slope ADC commonly used in digital panel meters.
- Alternatives to the ICM7207 include the AD1674 from Analog Devices and the MAX11606 from Maxim Integrated.
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