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AD7792BRU
+StücklisteIC ADC 16BIT SIGMA-DELTA 16TSSOP
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HerstellerAnalog Devices Inc.
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Herstellerteil #AD7792BRU
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Datenblatt AD7792BRU DataSheet
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Auf Lager4535
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Spezifikationen
| Attribut | Wert |
| PartStatus | Obsolete |
| BaseProductNumber | AD7792 |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 470 |
| NumberofInputs | 3 |
| InputType | Differential |
| DataInterface | SPI, DSP |
| Configuration | MUX-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External, Internal |
| Voltage-Supply,Analog | 2.7V ~ 5.25V |
| Voltage-Supply,Digital | 2.7V ~ 5.25V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 105°C |
| Package | 16-TSSOP (0.173", 4.40mm Width) |
| SupplierDevicePackage | 16-TSSOP |
| MountingType | Surface Mount |
| Packaging | Tube |
Übersicht
Description
Key features include a programmable gain amplifier (PGA) with selectable gains up to 128, enabling it to handle a wide range of input signal amplitudes. The device also integrates an on-chip precision reference of 1.17 V, reducing the need for external components. It supports SPI-compatible serial interfaces for easy integration with microcontrollers.
The ADC is commonly used in sensor measurement applications such as weigh scales, temperature sensors, and medical instrumentation due to its high precision and reliability. The AD7792BRU operates in a temperature range of −40°C to +105°C and is available in a compact TSSOP package, making it suitable for space-constrained applications. Its design emphasizes low noise, low power, and high accuracy, catering to various precision measurement needs.
Equivalent
1. AD7793 - A higher resolution alternative from Analog Devices.
2. AD7794/AD7795 - Also from Analog Devices, offering similar performance with additional features.
3. ADS1232 - From Texas Instruments, 24-bit ADC with low noise and wide supply range.
4. LTC2485 - From Analog Devices' Linear Technology, a 24-bit ADC with integrated temperature sensor.
These alternatives offer similar functionalities but may vary in resolution, power consumption, and additional features.
Features
The AD7792 offers a high level of integration with an internal clock, on-chip bias voltage generator, and bridge power-down switch, simplifying the design of sensor-based systems. It supports a wide operating temperature range and includes diagnostic functions like burnout current detection. The ADC provides a precision reference output and has a flexible serial peripheral interface (SPI) for communication.
The AD7792 is ideal for applications such as pressure measurement, temperature measurement, and other sensor-based systems requiring high accuracy and low power consumption. Its compact design and feature set make it a versatile choice for precision measurement systems.
Pinout
The AD7792 features two fully differential analog input channels, an internal clock oscillator, and a digital filter. It is designed for direct interfacing to external sensors and can be used in applications like temperature measurement and pressure sensing. The ADC offers a low noise front end, allowing direct measurement of low-level signals without the need for further amplification.
The device communicates via a 3-wire SPI-compatible interface, making it easy to interface with microcontrollers and digital signal processors. Key functions of the AD7792 include selectable gain settings, a low-side power switch for sensor excitation, and a reference detect function to warn of a broken reference connection.
For detailed pin functionality and configuration, refer to the official datasheet provided by Analog Devices.
Manufacturer
Application
1. Weigh Scales: High accuracy needed for weighing systems.
2. Temperature Measurement: Interfaces well with thermocouples and RTDs.
3. Pressure Sensors: Suitable for converting pressure sensor outputs into digital signals.
4. Medical Instrumentation: Used in devices requiring precise measurements, such as patient monitoring.
5. Strain Gauges: Facilitates reading strain gauge outputs in industrial settings.
6. Industrial Process Control: Reliable for monitoring and controlling industrial processes.
Its design focuses on energy efficiency and precise data conversion, making it ideal for battery-operated devices and systems requiring high precision.