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AD7788BRMZ
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Product Detailed Parameters
- Description：IC ADC 16BIT SIGMA-DELTA 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Number of Bits：16
- Sampling Rate (Per Second)：16.6
- Number of Inputs：1
- Input Type：Differential
- Data Interface：SPI, DSP
- Configuration：ADC
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：Sigma-Delta
- Reference Type：External
- Voltage - Supply, Analog：2.5V ~ 5.25V
- Voltage - Supply, Digital：2.5V ~ 5.25V
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
- Mounting Type：Surface Mount
- Grade：-
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Overview
The AD7788BRMZ is a low-power, 16-bit Sigma-Delta analog-to-digital converter (ADC) from Analog Devices. It operates on a single supply voltage ranging from 2.5 V to 5.25 V and features an internal clock oscillator that provides a fixed output update rate of 16.6 Hz. This update rate enables simultaneous rejection of both 50 Hz and 60 Hz line frequencies. The device incorporates one differential analog input channel and utilizes an external reference voltage. It communicates via a 3-wire serial interface compatible with SPI, QSPI, Microwire, and DSP standards. The component is housed in a compact 10-lead MSOP package.
Feature Summary
- Integrated Sigma-Delta architecture with internal clocking for simplified system design
- Low power consumption suitable for battery-operated applications
- Simultaneous 50 Hz and 60 Hz noise rejection at the standard update rate
- Versatile serial interface supporting multiple communication protocols
Applications
- Smart transmitters
- Battery-powered instrumentation
- Portable measurement devices
- Sensor signal conditioning
- Weigh scales
Procurement Notes
Verify the specific grade suffix against the datasheet ordering guide to ensure compliance with the required temperature range and electrical specifications. Confirm that the package type matches the intended PCB footprint. Ensure the external reference voltage source meets the device's input requirements for optimal performance.
Selection Notes
Select this component when high resolution and low power are prioritized over high-speed sampling. The fixed 16.6 Hz data rate makes it ideal for slow-varying signals like temperature or pressure. Compare against the AD7789 if higher resolution is needed, or consider other families if faster conversion speeds are required.
Part Context
The AD7788BRMZ belongs to the AD7788/AD7789 series of low-power, low-noise analog front ends designed for precision measurement applications. It serves as the 16-bit resolution variant within this family, sharing the same pinout and interface characteristics as the 24-bit AD7789 model.
Replacement Considerations
The AD7788ARMZ is a parameter-equivalent alternative within the same product family.
