- Manufacturer Part Number : AD7780
- Manufacturer : AD
- Description : 24-Bit Pin-Programmable Low Power Σ−Δ ADC
- Series : AD7780
- Reference Price : USD 3.256
- Our Price : We have a better price, contact us by email
- Product Type : Precision A/D Converters
- Function : Single Channel A/D Converters
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : AD7780
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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Consuming only 330 μA, the AD7780 is particularly suitable for portable or battery-operated products where very low power is required. The AD7780 also has a power-down mode that allows the user to switch off the power to the bridge sensor and power down the AD7780 when not converting, thus increasing the battery life of the product.
For ease of use, all the features of the AD7780 are controlled by dedicated pins. Each time a data read occurs, eight status bits are appended to the 24-bit conversion. These status bits contain a pattern sequence that can be used to confirm the validity of the serial transfer.
The on-chip PGA has a gain of 1 or 128, supporting a full-scale differential input of ±5 V or ±39 mV. The device has two filter response options. The filter response at the 16.7 Hz update rate provides superior dynamic performance. The settling time is 120 ms at this update rate. At the 10 Hz update rate, the filter response provides greater than −45 dB of stop-band attenuation. In load cell applications, this stop-band rejection is useful to reject low frequency mechanical vibrations of the load cell. The settling time is 300 ms at this update rate. Simultaneous 50 Hz/60 Hz rejection occurs at both the 10 Hz and 16.7 Hz update rates.
The AD7780 operates with a power supply from 2.7 V to 5.25 V. It is available in a narrow body, 14-lead SOIC package and a 16-lead TSSOP package.
Applications
- Weigh scales
- Pressure Measurement
- Industrial Process Control
- Portable instrumentation
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.