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Manufacturer / Brand: AD
Details: Low Power, 2-Channel 24-Bit Sigma-Delta ADC
Series: AD7787
Quantity Available: Over 20680 pieces

Datasheet for AD7787:

AD7787 datasheet
Price for AD7787
Product Parameters
  • Manufacturer Part Number : AD7787
  • Manufacturer : AD
  • Description : Low Power, 2-Channel 24-Bit Sigma-Delta ADC
  • Series : AD7787
  • Reference Price : USD 4.024
  • Our Price : We have a better price, contact us by email
  • Product Type : Precision A/D Converters
  • Function : Multiplexed 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 : AD7787
  • 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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Features and Benefits of AD7787
  • Power
    - Supply: 2.5 V to 5.25 V current
    - Normal: 75 µA max
    - Power-down: 1 µA max
  • RMS noise: 1.1 µV at 9.5 Hz update rate
  • 19.5-bit p-p resolution (22 bits effective resolution)
  • Integral nonlinearity: 3.5 ppm typical
  • Simultaneous 50 Hz and 60 Hz rejection
  • Internal clock oscillator
  • Rail-to-rail input buffer
  • VDD monitor channel
  • Temperature range: –40°C to +105°C
  • 10-lead MSOP
  • Interface
    - 3-wire serial 
    - SPI®, QSPI, MICROWIRE and DSP compatible
    - Schmitt trigger on SCLK
Product Detailed Description for AD7787

The AD7787 is a low power, complete analog front end for low frequency measurement applications. It contains a low noise 24-bit Σ-Δ ADC with one differential input and one single-ended input that can be buffered or unbuffered.

The device operates from an internal clock. Therefore, the user does not have to supply a clock source to the device. The output data rate from the part is software programmable and can be varied from 9.5 Hz to 120 Hz, with the rms noise equal to 1.1 µV at the lower update rate. The internal clock frequency can be divided by a factor of 2, 4, or 8, which leads to a reduction in the current consumption. The update rate, cutoff frequency, and settling time will scale with the clock frequency.

The part operates with a power supply from 2.5 V to 5.25 V. When operating from a 3 V supply, the power dissipation for the part is 225 µW maximum. It is housed in a 10-lead MSOP.

Lifecycle information of AD7787

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.

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