| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 24 Pin |
| Supply Voltage (DC) | 4.75V (min) |
| Case/Package | SOIC-24 |
| Supply Current | 4.50 mA |
| Number of Positions | 24 Position |
| Number of Bits | 24 Bit |
| Power Dissipation | 30 mW |
| Sample Rate | 1 ksps |
| Resolution (Bits) | 24.0 Bit |
| Input Capacitance | 11.5 pF |
| Input Impedance | 1.00 Ω |
| Number of ADCs | 1 ADC |
| Number of Inputs | 2 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 52.5 mW |
| Number of Input Channels | 1 Channel |
| Supply Voltage (Max) | 10.5 V |
| Supply Voltage (Min) | 4.75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 15.6 mm |
| Size-Width | 7.6 mm |
| Size-Height | 2.35 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The AD7711ARZ is a complete analog front end LC²MOS signal conditioning Analog-to-digital Converter (ADC) with RTD excitation currents for low frequency measurement applications. The device accepts low level signals directly from a transducer and outputs a serial digital word. It employs a conversion technique to realize up to 24-bit of no missing codes performance. The input signal is applied to a proprietary programmable gain front end based around an analog modulator. The modulator output is processed by an on-chip digital filter. The first notch of this digital filter can be programmed via the on-chip control register, allowing adjustment of the filter cut-OFF and settling time. The part features one differential analog input and one single-ended analog input as well as a differential reference input. Normally, one of the input channels will be used as the main channel with the second channel used as an auxiliary input to periodically measure a second voltage.
● 2-channel programmable gain front end gains from 1 to 128
● Ability to read/write calibration coefficients
● RTD excitation current sources
● Bidirectional microcontroller serial interface
● Low power with power-down mode
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