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AD7190BRUZ
+NomenclatureIC ADC 24BIT SIGMA-DELTA 24TSSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD7190BRUZ
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Fiche technique AD7190BRUZ DataSheet
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Package TSSOP-24
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En stock3979
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Spécifications
| Attribut | Valeur |
| Package | Bulk,Tube |
| ProductStatus | Active |
| NumberofBits | 24 |
| NumberofInputs | 2, 4 |
| InputType | Differential, Pseudo-Differential |
| DataInterface | SPI, DSP |
| Configuration | MUX-PGA-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 2.7V ~ 5.25V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 105°C |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 24-TSSOP |
Présentation
Description
The AD7190 provides a variety of features including internal calibration, temperature sensor, and an on-chip oscillator, which eliminates the need for an external clock source. It supports a serial peripheral interface (SPI) for communication and is available in a 16-lead TSSOP package. The converter's high resolution and low noise make it ideal for precision measurement applications where reliability and accuracy are critical.
Equivalent
1. AD7192: Also from Analog Devices, offers similar features with slight differences in performance.
2. ADS1256: From Texas Instruments, a 24-bit, high-precision delta-sigma ADC.
3. MCP3561: From Microchip Technology, a 24-bit ADC with similar capabilities.
When considering equivalents, always check specific performance metrics and pin compatibility.
Features
1. 24-Bit Sigma-Delta ADC: Provides high resolution and accuracy.
2. Low Noise: Offers excellent noise performance, suitable for precise measurements.
3. Programmable Gain Amplifier (PGA): Allows gains up to 128, enhancing low-level signal measurement.
4. Multiple Channels: Supports four differential or eight single-ended inputs, enabling flexibility in sensor interfacing.
5. Internal Clock: Eliminates the need for an external clock source, simplifying design integration.
6. Synchronous Sampling: Facilitates simultaneous sampling of multiple channels.
7. On-Chip Temperature Sensor: Provides additional system monitoring capabilities.
8. Low Power Consumption: Efficient power usage, making it suitable for battery-powered applications.
9. Digital Interface: SPI-compatible interface for easy integration with microcontrollers.
10. Voltage Reference: Includes an on-chip reference, ensuring stable operation.
These features make the AD7190BRUZ suitable for applications like weigh scales, industrial process control, and medical instrumentation.
Pinout
Key functions of the AD7190BRUZ include:
1. Analog Input Channels: It has a 4-channel differential input or 8-channel single-ended input, offering flexibility for various applications.
2. Clock Input: It supports both internal and external clock sources.
3. SPI Interface: It communicates with microcontrollers via a Serial Peripheral Interface (SPI).
4. Reference Input: It includes differential reference inputs for accurate measurements.
5. Power Supply Pins: It operates with an analog power supply (AVDD) and a digital power supply (DVDD).
6. Reset and Control Pins: There are pins for resetting the device and controlling various functions.
The AD7190BRUZ is well-suited for precision measurement applications like weigh scales and temperature monitoring due to its high resolution and low noise performance.
Manufacturer
Application
1. Weigh Scales: Utilized for its high accuracy and low noise performance.
2. Temperature Measurement: Suitable for RTD and thermocouple interfaces due to low drift.
3. Strain Gauge Applications: Offers precise measurement of small signals.
4. Pressure Sensors: Ideal for capturing accurate pressure readings.
5. Industrial Process Control: Ensures precision in monitoring and control systems.
6. Data Acquisition Systems: Provides reliable data conversion for various sensors.
7. Medical Instrumentation: Used in applications requiring high-resolution data conversion.
These applications leverage the ADC's noise performance, input flexibility, and filtering capabilities.