AD7703 (4)
The AD7703 is available from Analog Devices Inc. Inc. at Xecor. Designed for high-precision analog-to-digital conversion, the AD7703 offers 20-bit resolution, low power consumption, and on-chip self-calibration circuitry. Available in a 20-Pin PDIP package, it is ideal for industrial process control, weigh scales, portable instrumentation, and remote data acquisition. Whether used in industrial automation or precision measurement systems, this series ensures exceptional accuracy, reliability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices Inc. Inc.. Please view our extensive selection of the AD7703 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| AD7703AN | Delta-Sigma 16ksps | 20-DIP | 7,154 | |
| AD7703ANZ | 20 bit analog-to-digital converter with SPI interface in a 20-pin PDIP package | 20-DIP | 6,163 | |
| AD7703BNZ | Single-channel design for focused signal processing. (50 characters) | PDIP-20 | 2,601 | |
| AD7703CNZ | Precise -bit analog-to-digital conversion at ksps speed | PDIP-20 | 2,746 |
Key Featrues
High Resolution (20-Bit ADC): The AD7703 offers a 20-bit resolution, providing exceptional precision in analog-to-digital conversion. This high resolution ensures accurate measurement of small signal variations, making it ideal for applications like industrial process control and weigh scales where precision is critical.
Sigma-Delta Conversion Technique: The use of a Σ-Δ (Sigma-Delta) conversion technique enhances noise immunity and improves signal integrity. This feature allows the ADC to deliver high accuracy and stability, even in noisy environments, which is beneficial for portable instrumentation and remote data acquisition systems.
On-Chip Self-Calibration Circuitry: The built-in self-calibration feature ensures long-term accuracy by compensating for offset and gain errors. This reduces the need for external calibration, improving system reliability and simplifying maintenance in industrial and measurement applications.
Programmable Low-Pass Filter: The AD7703 includes a programmable low-pass filter with a corner frequency range of 0.1 Hz to 10 Hz. This feature allows users to tailor the filter to specific application requirements, reducing noise and improving signal quality for low-frequency measurements.
Dual Supply Voltage (4.5V to 5.5V): The ADC operates on a dual supply voltage, making it versatile for various power configurations. This flexibility ensures compatibility with a wide range of systems, enhancing its usability in both industrial and portable applications.
Sigma-Delta Conversion Technique: The use of a Σ-Δ (Sigma-Delta) conversion technique enhances noise immunity and improves signal integrity. This feature allows the ADC to deliver high accuracy and stability, even in noisy environments, which is beneficial for portable instrumentation and remote data acquisition systems.
On-Chip Self-Calibration Circuitry: The built-in self-calibration feature ensures long-term accuracy by compensating for offset and gain errors. This reduces the need for external calibration, improving system reliability and simplifying maintenance in industrial and measurement applications.
Programmable Low-Pass Filter: The AD7703 includes a programmable low-pass filter with a corner frequency range of 0.1 Hz to 10 Hz. This feature allows users to tailor the filter to specific application requirements, reducing noise and improving signal quality for low-frequency measurements.
Dual Supply Voltage (4.5V to 5.5V): The ADC operates on a dual supply voltage, making it versatile for various power configurations. This flexibility ensures compatibility with a wide range of systems, enhancing its usability in both industrial and portable applications.
Applications
Industrial Process Control: The AD7703 is ideal for monitoring and controlling industrial processes, such as temperature, pressure, and flow rate. Its 20-bit resolution and sigma-delta architecture ensure high accuracy and stability, making it suitable for precision measurement and control in harsh industrial environments.
Weigh Scales: The AD7703 is perfect for high-precision weigh scale applications. Its low noise and high-resolution capabilities allow for accurate weight measurements, even in environments with significant electrical interference. The on-chip self-calibration feature ensures long-term reliability and accuracy.
Portable Instrumentation: The AD7703 is well-suited for portable instrumentation, such as handheld multimeters or environmental monitoring devices. Its low power consumption and compact 20-PDIP package make it ideal for battery-operated devices, while its high resolution ensures accurate data acquisition in field applications.
Remote Data Acquisition: The AD7703 is an excellent choice for remote data acquisition systems, such as weather stations or seismic monitoring equipment. Its robust design and ability to operate in extreme temperatures (-40°C to +85°C) ensure reliable performance in remote and challenging environments, while its SPI interface simplifies integration with microcontrollers and data loggers.
Weigh Scales: The AD7703 is perfect for high-precision weigh scale applications. Its low noise and high-resolution capabilities allow for accurate weight measurements, even in environments with significant electrical interference. The on-chip self-calibration feature ensures long-term reliability and accuracy.
Portable Instrumentation: The AD7703 is well-suited for portable instrumentation, such as handheld multimeters or environmental monitoring devices. Its low power consumption and compact 20-PDIP package make it ideal for battery-operated devices, while its high resolution ensures accurate data acquisition in field applications.
Remote Data Acquisition: The AD7703 is an excellent choice for remote data acquisition systems, such as weather stations or seismic monitoring equipment. Its robust design and ability to operate in extreme temperatures (-40°C to +85°C) ensure reliable performance in remote and challenging environments, while its SPI interface simplifies integration with microcontrollers and data loggers.
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