AD7789BRMZ-REEL
Analog to Digital Converters (ADC)
Technical Specifications
| Type | Description |
|---|---|
| Quiescent Current (Iq) | 1uA |
| Integral non - linearity | - |
| Voltage Reference | External |
| Clock/Oscillator | Built-in |
| Resolution(Bits) | 16.6Hz;24 |
| S/N Ratio | - |
| DNL (LSB) | - |
| ADC architecture | Sigma-Delta |
| Type | Description |
|---|---|
| Programmable Gain | Not supported |
| Operating Temp | -40°C ~ +105°C |
| Interface | SPI |
| Working Voltage V | 3.875 V |
| Channels | 1.0 |
| Maximum Clock Speed | - |
| Features | Bipolar input;Integrated modulator;Built-in digital filter;Soft reset;Power-on reset |
| Package / Case | MSOP-10 |
Product Introduction
The AD7788/AD7789 are low power, low noise, analog front ends for low frequency measurement applications. The AD7789 contains a low noise, 24-bit, ∑-∆ analog-to-digital converter (ADC) with one differential input. The AD7788 is a 16-bit version of the AD7789.
The devices operate from an internal clock. Therefore, the user does not have to supply a clock source to the devices. The output data rate is 16.6 Hz, which gives simultaneous 50 Hz/60 Hz rejection.
The devices operate with a single power supply from 2.5 V to 5.25 V. When operating from a 3V supply, the power dissipation for the device is 225 μW maximum. The AD7788/AD7789 are available in a 10-lead MSOP.
Features
- AD7788: 16-bit resolution
- AD7789: 24-bit resolution
- Power Supply: 2.5 V to 5.25 V operation Normal: 75 μA maximum Power-down: 1 μA maximum
- RMS noise: 1.5 μV
- AD7788: 16-bit p-p resolution
- AD7789: 19-bit p-p resolution (21.5 bits effective)
- Integral nonlinearity: 3.5 ppm typical
- Simultaneous 50 Hz and 60 Hz rejection
- Internal clock oscillator
- VDD monitor channel
- 10-lead MSOP
- 3-wire serial
- SPI-, QSPI-, MICROWIRE-, and DSP-compatible
- Schmitt trigger on SCLK
Applications
- - Smart transmitters - Battery applications - Portable instrumentation - Sensor measurement - Temperature measurement - Pressure measurement - Weigh scales - 4 to 20 mA loops
Datasheet
Alternative Parts
Common AD7789BRMZ-REEL alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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