Analog Devices Inc. AD7730BRZ
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 24-SOIC (0.295", 7.50mm Width) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Supplier Device Package | 24-SOIC |
| Power (Watts) | 125 mW |
| Number of Bits | 24 |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Package | Tube |
| Product Status | Active |
| Base Product Number | AD7730 |
| REACH Status | REACH Unaffected |
| Standard Package | 31 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
The AD7730BRZ is a sophisticated analog front end designed by Analog Devices Inc. for weigh-scale and pressure measurement applications. This device serves as a complete solution that accepts low-level signals directly from a transducer and outputs a digital signal. It is known for its high-resolution and accuracy in processing analog-to-digital conversions, particularly suited for applications involving bridge transducers such as load cells and strain gauges. The AD7730BRZ operates from a single +5V supply and is housed in a 24-pin SOIC package.
Features of Analog Devices Inc. AD7730BRZ
The AD7730BRZ boasts a number of advanced features that enhance its performance in data acquisition and digital conversion. It includes two buffered differential programmable gain analog inputs and a differential reference input, allowing for versatile signal conditioning. The device incorporates a 24-bit sigma-delta ADC with a sampling rate of 1.2 ksps, ensuring high-resolution and accurate conversions. It also offers a serial interface, specifically SPI, for communication with microcontrollers and other digital systems. The AD7730BRZ is designed to handle a wide range of input voltages and provides features such as an on-chip oscillator and synchronization capabilities for system-wide coordination.
Applications of Analog Devices Inc. AD7730BRZ
The AD7730BRZ is primarily targeted at industrial applications where precise measurements are required. Typical applications include weigh-scale systems, pressure measurement, and load-cell monitoring. It is also used in industrial automation, programmable logic controllers, and data acquisition systems. The device's ability to directly interface with bridge transducers makes it ideal for applications where a strain-gauge transducer's resistance changes under mechanical stress, often configured in a Wheatstone bridge arrangement. The AD7730BRZ can also be used in scenarios where a bipolar excitation voltage is provided to increase the output voltage from the bridge, handling input voltages that can be slightly negative with respect to ground.
