Overview
The AD7730BRUZ-REEL7, produced by Analog Devices Inc., is a comprehensive analog front end (AFE) designed specifically for weigh-scale and pressure measurement applications. This device is capable of accepting low-level signals directly from transducers, making it highly suitable for precision measurement tasks. The AD7730 features a 24-bit sigma-delta analog-to-digital converter (ADC), a programmable gain amplifier (PGA), and a digital filter, all integrated into a single 24-pin TSSOP package.
Key Specifications
| Parameter | Value | Conditions/Comments |
|---|---|---|
| Resolution | 24 bits | |
| Sampling Rate | 1.2 kSPS | |
| Input Type | Differential | |
| Supply Voltage Min | 4.75 V | |
| Supply Voltage Max | 5.25 V | |
| Interface | SPI, Serial | |
| Polarity | Bipolar, Unipolar | |
| Package | 24-TSSOP (0.173, 4.40mm Width) | |
| Power Consumption | 22.3 mA (nominal supply current) | |
| Operating Temperature | TMIN to TMAX (specified in datasheet) |
Key Features
- 24-bit sigma-delta ADC for high precision measurements.
- Programmable gain amplifier (PGA) for flexible gain settings.
- Integrated digital filter for noise reduction and signal conditioning.
- Serial interface (SPI) for easy communication with microcontrollers.
- Low power consumption with a nominal supply current of 22.3 mA.
- Standby mode to reduce power consumption to 5 μA.
- Support for both bipolar and unipolar input signals.
Applications
- Weigh-scale and pressure measurement systems.
- Medical instrumentation and medical imaging.
- Digital storage oscilloscopes and broadband data applications.
- Multiplexed data acquisition systems and digital beam-forming systems for ultrasound.
- RADAR processing and telecommunications.
Q & A
- What is the resolution of the AD7730BRUZ-REEL7?
The AD7730BRUZ-REEL7 has a resolution of 24 bits. - What is the sampling rate of the AD7730BRUZ-REEL7?
The sampling rate is 1.2 kSPS. - What type of input signals does the AD7730BRUZ-REEL7 support?
The device supports differential input signals. - What is the supply voltage range for the AD7730BRUZ-REEL7?
The supply voltage range is from 4.75 V to 5.25 V. - What interface does the AD7730BRUZ-REEL7 use?
The device uses a serial interface (SPI). - What is the package type of the AD7730BRUZ-REEL7?
The package type is 24-TSSOP (0.173, 4.40mm Width). - What is the power consumption of the AD7730BRUZ-REEL7?
The nominal supply current is 22.3 mA. - Does the AD7730BRUZ-REEL7 support standby mode?
Yes, it supports a standby mode that reduces power consumption to 5 μA. - What are some common applications of the AD7730BRUZ-REEL7?
Common applications include weigh-scale and pressure measurement systems, medical instrumentation, digital storage oscilloscopes, and RADAR processing. - Is the AD7730BRUZ-REEL7 RoHS compliant?
Yes, the AD7730BRUZ-REEL7 is RoHS compliant.
