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AD7921ARMZ
+BOMIC ADC 12BIT SAR 8MSOP
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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 #AD7921ARMZ
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データシート AD7921ARMZ DataSheet
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在庫状況8265
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 |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate (Per Second) | 250k |
| Number of Inputs | 2 |
| Input Type | Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A / D Converters | 1 |
| Architecture | SAR |
| Reference Type | Supply |
| Voltage - Supply, Analog | 2.35V ~ 5.25V |
| Voltage - Supply, Digital | 2.35V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 8-MSOP |
| Mounting Type | Surface Mount |
| Base Product Number | AD7921 |
概要
Description
The AD7921ARMZ is a 12-bit, dual-channel analog-to-digital converter (ADC) from Analog Devices, designed for applications requiring high performance and precision in signal conversion. Operating with a voltage supply range of 2.7V to 5.25V, it features a serial interface for easy integration into various digital systems. The ADC supports a sampling rate of up to 1 MSPS (mega samples per second), ensuring rapid data acquisition.
Key features include low power consumption, a built-in reference voltage, and an internal track-and-hold circuit, which stabilizes the input signal before conversion. The AD7921 is ideal for industrial automation, medical devices, and portable instrumentation due to its compact package and robust performance. Its ability to simultaneously sample multiple input channels makes it versatile for multi-sensor applications. Overall, the AD7921ARMZ is a reliable choice for engineers seeking efficient and accurate digital signal processing solutions.
Key features include low power consumption, a built-in reference voltage, and an internal track-and-hold circuit, which stabilizes the input signal before conversion. The AD7921 is ideal for industrial automation, medical devices, and portable instrumentation due to its compact package and robust performance. Its ability to simultaneously sample multiple input channels makes it versatile for multi-sensor applications. Overall, the AD7921ARMZ is a reliable choice for engineers seeking efficient and accurate digital signal processing solutions.
Equivalent
The AD7921ARMZ is a 12-bit, 1 MSPS analog-to-digital converter (ADC). Equivalent products include the Microchip MCP3201, Texas Instruments ADS8320, and Analog Devices AD9120. These alternatives offer similar specifications in terms of resolution and sampling rate, making them suitable replacements depending on specific application requirements. Always confirm compatibility based on additional features and interface needs.
Features
The AD7921ARMZ is a 12-bit, single-channel analog-to-digital converter (ADC) from Analog Devices. Here are its key features:
1. Resolution: 12-bit conversion for precise measurement.
2. Sampling Rate: Up to 1 MSPS (mega samples per second) for fast data acquisition.
3. Input Voltage Range: 0 to VREF, where VREF can be set externally or internally.
4. Interface: SPI-compatible serial interface for easy connectivity with microcontrollers and DSPs.
5. Low Power Consumption: Typically consumes 250 µA during operation and less than 1 µA in sleep mode, making it suitable for battery-powered applications.
6. Single Supply Operation: Operates from a single supply voltage, typically 2.7V to 5.25V.
7. Internal Reference: Includes an internal reference voltage option for simplified design.
8. Low Noise: Designed for applications requiring low noise and high accuracy.
9. Power-Down Mode: Allows for power-saving features when the ADC is not in use.
These features make the AD7921ARMZ ideal for various applications, including industrial automation, medical devices, and instrumentation.
1. Resolution: 12-bit conversion for precise measurement.
2. Sampling Rate: Up to 1 MSPS (mega samples per second) for fast data acquisition.
3. Input Voltage Range: 0 to VREF, where VREF can be set externally or internally.
4. Interface: SPI-compatible serial interface for easy connectivity with microcontrollers and DSPs.
5. Low Power Consumption: Typically consumes 250 µA during operation and less than 1 µA in sleep mode, making it suitable for battery-powered applications.
6. Single Supply Operation: Operates from a single supply voltage, typically 2.7V to 5.25V.
7. Internal Reference: Includes an internal reference voltage option for simplified design.
8. Low Noise: Designed for applications requiring low noise and high accuracy.
9. Power-Down Mode: Allows for power-saving features when the ADC is not in use.
These features make the AD7921ARMZ ideal for various applications, including industrial automation, medical devices, and instrumentation.
Pinout
The AD7921ARMZ is a 12-bit analog-to-digital converter (ADC) that features a 16-pin LFCSP (Lead Frame Chip Scale Package). The pin count is 16.
The primary functions of its pins are as follows:
1. VDD - Power supply for the ADC.
2. AGND - Analog ground.
3. DGND - Digital ground.
4. VREF - Reference voltage input.
5. VIN+ - Positive input for the analog signal to be converted.
6. VIN- - Negative input for the analog signal.
7. SCLK - Serial clock input for synchronous communication.
8. SDI - Serial data input.
9. SDO - Serial data output.
10. CS - Chip select input; active low to initiate communication.
11. RESET - Asynchronous reset pin.
12. MUX - Multiplexer control pin (for selecting input channels in multi-channel setups).
13. NC (Not Connected) - Not internally connected; can be left floating.
14. Other NC pins - May vary in function based on specific configurations.
This configuration allows the AD7921 to effectively convert analog signals to digital format for various applications.
The primary functions of its pins are as follows:
1. VDD - Power supply for the ADC.
2. AGND - Analog ground.
3. DGND - Digital ground.
4. VREF - Reference voltage input.
5. VIN+ - Positive input for the analog signal to be converted.
6. VIN- - Negative input for the analog signal.
7. SCLK - Serial clock input for synchronous communication.
8. SDI - Serial data input.
9. SDO - Serial data output.
10. CS - Chip select input; active low to initiate communication.
11. RESET - Asynchronous reset pin.
12. MUX - Multiplexer control pin (for selecting input channels in multi-channel setups).
13. NC (Not Connected) - Not internally connected; can be left floating.
14. Other NC pins - May vary in function based on specific configurations.
This configuration allows the AD7921 to effectively convert analog signals to digital format for various applications.
Manufacturer
The AD7921ARMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is headquartered in Norwood, Massachusetts, and is known for its innovations in the fields of signal processing, data conversion, and power management.
Analog Devices serves various industries, including telecommunications, automotive, healthcare, aerospace, and industrial automation. Their products are widely used for applications requiring precise signal processing and measurement, such as data acquisition systems, instrumentation, and control systems. The AD7921ARMZ itself is a 12-bit analog-to-digital converter (ADC) that offers high-speed performance and low power consumption, making it suitable for a range of applications in embedded systems and portable devices.
Analog Devices serves various industries, including telecommunications, automotive, healthcare, aerospace, and industrial automation. Their products are widely used for applications requiring precise signal processing and measurement, such as data acquisition systems, instrumentation, and control systems. The AD7921ARMZ itself is a 12-bit analog-to-digital converter (ADC) that offers high-speed performance and low power consumption, making it suitable for a range of applications in embedded systems and portable devices.
Application
The AD7921ARMZ is a 12-bit successive approximation analog-to-digital converter (ADC) commonly used in various application areas, including:
1. Industrial Automation: For monitoring sensors and process control.
2. Data Acquisition Systems: Converting analog signals to digital for analysis.
3. Medical Devices: In instrumentation for patient monitoring and diagnostics.
4. Automotive Systems: For sensing and control applications.
5. Consumer Electronics: Audio and video processing.
6. Communications: Signal conditioning and processing in telecommunication devices.
Its low power consumption and high performance make it suitable for battery-operated devices and portable applications.
1. Industrial Automation: For monitoring sensors and process control.
2. Data Acquisition Systems: Converting analog signals to digital for analysis.
3. Medical Devices: In instrumentation for patient monitoring and diagnostics.
4. Automotive Systems: For sensing and control applications.
5. Consumer Electronics: Audio and video processing.
6. Communications: Signal conditioning and processing in telecommunication devices.
Its low power consumption and high performance make it suitable for battery-operated devices and portable applications.
Package
The AD7921ARMZ is packaged in a 10-lead MSOP (Mini Small Outline Package) type.
