AD7799BRUZ-REEL
Analog to Digital Converters (ADC)
Technical Specifications
| Type | Description |
|---|---|
| Maximum Clock Speed | 64 kHz |
| Quiescent Current (Iq) | 1uA |
| Integral non - linearity | - |
| Voltage Reference | External |
| Clock/Oscillator | Built-in |
| Resolution(Bits) | 470Hz;24 |
| S/N Ratio | - |
| ADC architecture | Sigma-Delta |
| Type | Description |
|---|---|
| Programmable Gain | Support |
| Operating Temp | -40°C ~ +105°C |
| Interface | SPI |
| Working Voltage V | 3.975 V |
| Channels | 3.0 |
| Features | Bipolar input;Integrated modulator;Built-in digital filter;Auto calibration;Input buffer |
| Package / Case | TSSOP-16 |
Product Introduction
The AD7798/AD7799 are low power, low noise, complete analog front ends for high precision measurement applications. The AD7798/AD7799 contains a low noise, 16-/24-bit ∑-∆ ADC with three differential analog inputs. The on-chip, low noise instrumentation amplifier means that signals of small amplitude can be interfaced directly to the ADC. With a gain setting of 64, the rms noise is 27 nV for the AD7799 and 40 nV for the AD7798 when the update rate equals 4.17 Hz.
On-chip features include a low-side power switch, reference detect, programmable digital output pins, burnout currents, and an internal clock oscillator. The output data rate from the part is software-programmable and can be varied from 4.17 Hz to 470 Hz.
The part operates with a power supply from 2.7 V to 5.25 V. The AD7798 consumes a current of 300 μA typical, whereas the AD7799 consumes 380 μA typical. Both devices are housed in a 16-lead TSSOP package.
Features
- RMS noise: 27 nV at 4.17 Hz (AD7799), 65 nV at 16.7 Hz (AD7799), 40 nV at 4.17 Hz (AD7798), 85 nV at 16.7 Hz (AD7798)
- Current: 380 μA typical
- Power-down: 1 μA maximum
- Low noise, programmable gain, instrumentation amp
- Update rate: 4.17 Hz to 470 Hz
- 3 differential inputs
- Internal clock oscillator
- Simultaneous 50 Hz/60 Hz rejection
- Reference detect
- Low-side power switch
- Programmable digital outputs
- Burnout currents
- Power supply: 2.7 V to 5.25 V
- 40°C to +105°C temperature range
- Independent interface power supply
- 16-lead TSSOP package
Applications
- - Weigh scales - Pressure measurement - Strain gauge transducers - Gas analysis - Industrial process control - Instrumentation - Portable instrumentation - Blood analysis - Smart transmitters - Liquid/gas chromotography - 6-digit DVM
Datasheet
Alternative Parts
Common AD7799BRUZ-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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