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AD7703BRZ
+BOMIC ADC 20BIT SIGMA-DELTA 20SOIC
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メーカーテキサス・インスツルメンツ
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メーカー品番 #AD7703BRZ
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在庫状況4423
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| PartStatus | Active |
| NumberofBits | 20 |
| SamplingRate(PerSecond) | 4k |
| NumberofInputs | 1 |
| InputType | Single Ended |
| DataInterface | SPI |
| Configuration | S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-Supply,Analog | 5V |
| Voltage-Supply,Digital | 5V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 20-SOIC (0.295", 7.50mm Width) |
| SupplierDevicePackage | 20-SOIC |
| MountingType | Surface Mount |
| BaseProductNumber | AD7703 |
概要
Description
The AD7703 includes an on-chip programmable gain amplifier (PGA), which allows users to adjust the gain to optimize performance for specific input signals. It communicates via a serial interface, enabling easy integration with microcontrollers and digital systems. The device operates over a wide supply voltage range and is capable of low-power consumption, making it ideal for battery-operated systems.
Key features include low noise, integrated filters, and high linearity, contributing to its effectiveness in environments requiring precise signal processing. Overall, the AD7703BRZ is well-suited for applications in industrial automation, medical devices, and data acquisition systems requiring high-resolution measurements.
Equivalent
Features
1. Resolution: 16-bit resolution for accurate signal representation.
2. Input Channels: Dual-channel configuration for simultaneous measurements.
3. Data Rate: Programmable data rates up to 16 kSPS, allowing flexibility in applications.
4. Low Noise: Low noise performance, enabling better signal integrity.
5. Integrated Reference: On-chip reference voltage simplifies system design.
6. Power Supply: Operates with a single +5V supply, enhancing ease of use.
7. Digital Filtering: Built-in digital filters improve noise rejection and signal processing.
8. Serial Interface: SPI-compatible interface for easy communication with microcontrollers and processors.
9. Temperature Range: Industrial temperature range (-40°C to +85°C) suitable for harsh environments.
10. Calibration: On-chip calibration features for improved accuracy.
These features make the AD7703BRZ ideal for applications in industrial process control, medical instrumentation, and data acquisition systems.
Pinout
Pin Count: 24 pins
Key Functions:
1. Analog Inputs: Two differential input channels for signal acquisition.
2. SPI Interface: Serial Peripheral Interface (SPI) for communication with microcontrollers, allowing data transfer and configuration.
3. Reference Voltage Input: Provides a reference voltage for the ADC operation.
4. Power Supply Pins: VDD and VSS for power supply connections.
5. Clock Input: Provides the clock signal necessary for timing operations.
6. Data Ready Output: Indicates when the ADC has completed a conversion and data is available.
7. Chip Select and Read/Write Control: Pins for chip selection and control of read/write operations.
The AD7703 is designed for use in applications requiring high precision and low power consumption, like weigh scales and industrial automation.
Manufacturer
Analog Devices is well-known for its high-performance analog and mixed-signal technology, offering a wide range of products that include amplifiers, converters, sensors, and signal processing solutions. The AD7703BRZ itself is a low-power, precision, 16-bit analog-to-digital converter (ADC) designed for applications requiring high accuracy and low noise, making it suitable for industrial and medical equipment, among other uses. Overall, Analog Devices is recognized as a leader in the semiconductor industry, dedicated to innovation and providing solutions that enhance performance in electronic systems.
Application
1. Industrial Automation: For sensor data acquisition in process control.
2. Medical Devices: In biomedical instrumentation for monitoring physiological signals.
3. Weighing Scales: For load cell interfacing and accurate weight measurement.
4. Data Acquisition Systems: In various measurements and monitoring systems.
5. Automotive Sensors: For interfacing with pressure, temperature, and other sensors.
Its integrated features make it suitable for applications demanding high accuracy and low noise.