規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| NumberofBits | 24 |
| SamplingRate(PerSecond) | 470 |
| NumberofInputs | 3 |
| InputType | Differential |
| DataInterface | SPI, DSP |
| Configuration | MUX-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External, Internal |
| Voltage-SupplyAnalog | 2.7V ~ 5.25V |
| Voltage-SupplyDigital | 2.7V ~ 5.25V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 105°C |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 16-TSSOP |
概述
Description
The AD7793BRUZ is a high-precision, low-power analog-to-digital converter (ADC) produced by Analog Devices. It is designed for measuring small sensor signals in applications such as industrial process control and smart transmitters. The device features a 24-bit resolution, ensuring high accuracy and precision in data conversion. It operates with a low noise, low drift, and includes a low-side power supply rejection, making it suitable for environments with fluctuating power conditions.
The AD7793BRUZ supports three differential analog input channels and includes a low-drift, programmable gain amplifier (PGA). It offers a flexible, easy-to-use serial peripheral interface (SPI), allowing integration with a variety of microcontrollers and processors. Additionally, it has an on-chip clock generator, a reference input, and an internal temperature sensor for added functionality.
Its low power consumption makes it ideal for battery-operated devices, and it operates over a wide temperature range, enhancing its versatility in different applications. Overall, the AD7793BRUZ is a robust ADC choice for precision measurement tasks.
The AD7793BRUZ supports three differential analog input channels and includes a low-drift, programmable gain amplifier (PGA). It offers a flexible, easy-to-use serial peripheral interface (SPI), allowing integration with a variety of microcontrollers and processors. Additionally, it has an on-chip clock generator, a reference input, and an internal temperature sensor for added functionality.
Its low power consumption makes it ideal for battery-operated devices, and it operates over a wide temperature range, enhancing its versatility in different applications. Overall, the AD7793BRUZ is a robust ADC choice for precision measurement tasks.
Equivalent
The AD7793BRUZ is a low-power, precision analog-to-digital converter (ADC) by Analog Devices. Equivalent products include:
1. AD7794/AD7795: Also from Analog Devices, with similar features but different input channels.
2. MCP3421: From Microchip Technology, though it offers fewer channels and lower resolution.
3. ADS1248: From Texas Instruments, providing similar precision and features.
4. LTC2485: From Analog Devices (formerly Linear Technology), with low noise and high resolution.
Always confirm specifications to ensure compatibility.
1. AD7794/AD7795: Also from Analog Devices, with similar features but different input channels.
2. MCP3421: From Microchip Technology, though it offers fewer channels and lower resolution.
3. ADS1248: From Texas Instruments, providing similar precision and features.
4. LTC2485: From Analog Devices (formerly Linear Technology), with low noise and high resolution.
Always confirm specifications to ensure compatibility.
Features
The AD7793BRUZ is a low power, low noise, complete analog front end for high precision measurement applications. Key features include:
1. Resolution and Channels: It is a 24-bit Sigma-Delta analog-to-digital converter (ADC) with three fully differential analog input channels.
2. Programmable Gain Amplifier (PGA): Offers gains from 1 to 128, allowing for high-precision measurements.
3. Low Noise: It provides noise performance of 40 nV rms at the highest gain and lowest data rate.
4. Low Power Consumption: Designed for battery-powered applications, it has a power-down mode to further conserve energy.
5. Built-in Reference: Includes an internal 2.5V reference, but also allows for external reference inputs.
6. Temperature Range: Operates across a wide temperature range from -40°C to +105°C.
7. Digital Interface: Utilizes a SPI-compatible serial interface for communication.
8. Supply Voltage: Operates with a single 2.7V to 5.25V supply.
This ADC is suitable for applications requiring high precision and low power, such as weigh scales and pressure measurement systems.
1. Resolution and Channels: It is a 24-bit Sigma-Delta analog-to-digital converter (ADC) with three fully differential analog input channels.
2. Programmable Gain Amplifier (PGA): Offers gains from 1 to 128, allowing for high-precision measurements.
3. Low Noise: It provides noise performance of 40 nV rms at the highest gain and lowest data rate.
4. Low Power Consumption: Designed for battery-powered applications, it has a power-down mode to further conserve energy.
5. Built-in Reference: Includes an internal 2.5V reference, but also allows for external reference inputs.
6. Temperature Range: Operates across a wide temperature range from -40°C to +105°C.
7. Digital Interface: Utilizes a SPI-compatible serial interface for communication.
8. Supply Voltage: Operates with a single 2.7V to 5.25V supply.
This ADC is suitable for applications requiring high precision and low power, such as weigh scales and pressure measurement systems.
Pinout
The AD7793BRUZ is a precision analog-to-digital converter (ADC) from Analog Devices. It is a 24-bit, low noise, low power, sigma-delta ADC designed for high precision measurement applications. The device is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).
Here's a concise overview of its pin count and primary functions:
- Pin Count: The AD7793BRUZ has 16 pins.
- Key Functions:
- Analog Inputs: It features multiple differential or pseudo-differential input channels for connecting sensors.
- Reference Inputs (REFIN+ and REFIN-): Provides external reference voltage inputs for accurate conversion.
- Digital Interface: Utilizes SPI (Serial Peripheral Interface) for communication with microcontrollers.
- Clock Input/Output: Supports an external clock or operates with its internal clock.
- Power Supply: Operates typically at 2.7 V to 5.25 V (AVDD pin).
- Others: Includes pins for ground (GND), power-down function, and data output (DOUT).
This ADC is particularly suited for use in applications such as weigh scales, pressure measurement, and medical instrumentation, where high accuracy and low power consumption are critical.
Here's a concise overview of its pin count and primary functions:
- Pin Count: The AD7793BRUZ has 16 pins.
- Key Functions:
- Analog Inputs: It features multiple differential or pseudo-differential input channels for connecting sensors.
- Reference Inputs (REFIN+ and REFIN-): Provides external reference voltage inputs for accurate conversion.
- Digital Interface: Utilizes SPI (Serial Peripheral Interface) for communication with microcontrollers.
- Clock Input/Output: Supports an external clock or operates with its internal clock.
- Power Supply: Operates typically at 2.7 V to 5.25 V (AVDD pin).
- Others: Includes pins for ground (GND), power-down function, and data output (DOUT).
This ADC is particularly suited for use in applications such as weigh scales, pressure measurement, and medical instrumentation, where high accuracy and low power consumption are critical.
Manufacturer
The AD7793BRUZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company known for designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, the company serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial automation. Analog Devices specializes in high-performance products and solutions that enable efficient and accurate data conversion, signal processing, and power management.
Application
The AD7793BRUZ is a low-power, low-noise analog-to-digital converter (ADC) commonly used in precision measurement applications. Key application areas include:
1. Weigh Scales: High precision makes it suitable for weight measurement systems.
2. Temperature Monitoring: Accurate readings for industrial and medical temperature sensors.
3. Pressure Measurement: Utilized in pressure transducers for its sensitivity and accuracy.
4. Strain Gauge Applications: Converts small voltage changes in strain gauge outputs.
5. Process Control: Suitable for monitoring and controlling industrial process parameters.
6. Data Acquisition Systems: Employed in systems requiring precise data conversion.
These applications benefit from its 24-bit resolution, low noise, and programmable gain features.
1. Weigh Scales: High precision makes it suitable for weight measurement systems.
2. Temperature Monitoring: Accurate readings for industrial and medical temperature sensors.
3. Pressure Measurement: Utilized in pressure transducers for its sensitivity and accuracy.
4. Strain Gauge Applications: Converts small voltage changes in strain gauge outputs.
5. Process Control: Suitable for monitoring and controlling industrial process parameters.
6. Data Acquisition Systems: Employed in systems requiring precise data conversion.
These applications benefit from its 24-bit resolution, low noise, and programmable gain features.
Package
The AD7793BRUZ is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. This type of package is compact and suitable for surface-mount technology, offering space efficiency and ease of integration into electronic circuits.