Datasheet for AD7787BRMZ:
- Manufacturer Part Number : AD7787BRMZ
- Manufacturer : AD
- Description : Low Power, 2-Channel 24-Bit Sigma-Delta ADC IC
- 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 : ROHS Compliant (Lead Free)
- Package Type : 10-Lead MSOP
- Pins : 10
- MFG Package Case : RM-10
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 50
- Working Temperature : -40 to 105C
- Other Part Number : AD7787BRMZ
- 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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- 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
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.
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.