| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Supply Voltage (DC) | 2.70V (min) |
| Case/Package | SOIC-24 |
| Supply Current | 10.3 mA |
| Number of Circuits | 1 Circuit |
| Number of Channels | 3 Channel |
| Number of Positions | 24 Position |
| Number of Bits | 24 Bit |
| Power Dissipation | 67.5 W |
| Sample Rate | 6.4 ksps |
| Resolution (Bits) | 24.0 Bit |
| Input Impedance | 9.00 GΩ |
| Number of ADCs | 1 ADC |
| Number of Inputs | 3, 5 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 67.5 mW |
| Number of Input Channels | 3 Channel |
| Supply Voltage (Max) | 5.25 V |
| Supply Voltage (Min) | 2.7 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Each |
| Size-Length | 15.6 mm |
| Size-Width | 7.6 mm |
| Size-Height | 2.35 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7731BRZ is a complete analog front-end low noise high throughput 24-bit Analog-to-digital Converter (ADC) for process control applications. The device has a proprietary programmable gain front end that allows it to accept a range of input signal ranges, including low level signals, directly from a transducer. The sigma-delta architecture of the part consists of an analog modulator and a low pass programmable digital filter, allowing adjustment of filter cutoff, output rate and settling time. The part features three buffered differential programmable gain analog inputs, as well as a differential reference input. The serial interface on the part can be configured for 3-wire operation and is compatible with microcontrollers and digital signal processors. It contains self-calibration and system calibration options and features an offset drift of less than 5nV/°C and a gain drift of less than 2ppm/°C.
● Programmable gain front end
● Buffered differential inputs
● Programmable filter cutoffs
● FASTStep™ Mode for channel sequencing
● Single supply operation
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