AD7781BRZ
- Mfr.Part #
- AD7781BRZ
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC ADC 20BIT SIGMA-DELTA 14SO
- Stock
- 1,371
- In Stock :
- 1,371
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Analog to Digital Converters (ADC)
- Pin Count :
- 14
- Number of Functions :
- 1
- Configuration :
- PGA-ADC
- Linearity Error-Max (EL) :
- 0.0006%
- Number of Bits :
- 20
- Nominal Supply Current :
- 420µA
- Power Dissipation :
- 2.1mW
- Sampling Rate :
- 16.7 sps
- Factory Lead Time :
- 8 Weeks
- Lifecycle Status :
- Production (Last Updated: 1 month ago)
- Polarity :
- Bipolar
- Converter Type :
- ADC, DELTA-SIGMA
- Max Supply Voltage :
- 5.25V
- Min Supply Voltage :
- 2.7V
- Reference Type :
- External
- Surface Mount :
- yes
- Lead Free :
- Contains Lead
- Number of Pins :
- 14
- Input Type :
- Differential
- REACH SVHC :
- No SVHC
- Terminal Finish :
- Matte Tin (Sn)
- Height :
- 1.5mm
- Sampling Rate (Per Second) :
- 16.7
- Output Bit Code :
- OFFSET BINARY
- Output Format :
- Serial
- Number of Analog In Channels :
- 1
- Architecture :
- Sigma-Delta
- Qualification Status :
- Not Qualified
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Feature :
- PGA
- Width :
- 4mm
- JESD-609 Code :
- e3
- Terminal Form :
- Gull wing
- Pbfree Code :
- No
- Voltage - Supply, Digital :
- 2.7V~5.25V
- Max Power Dissipation :
- 2.1mW
- Packaging :
- Tube
- Resolution :
- 2.5 B
- Supply Voltage :
- 3V
- Max Input Voltage :
- 5V
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Min Input Voltage :
- 500mV
- Operating Temperature :
- -40°C~105°C
- ECCN Code :
- EAR99
- Number of Terminations :
- 14
- Peak Reflow Temperature (Cel) :
- 260
- Base Part Number :
- AD7781
- Mounting Type :
- Surface Mount
- Length :
- 8.75mm
- Data Interface :
- SPI
- Number of Channels :
- 1
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Terminal Position :
- Dual
- RoHS Status :
- ROHS3 Compliant
- Voltage - Supply, Analog :
- 2.7V~5.25V
- Datasheets
- AD7781BRZ

Analog to Digital Converters (ADC) Analog Devices, Inc. AD7781BRZ Overview
The Analog to Digital Converters (ADC) Analog Devices, Inc. AD7781BRZ is a high-precision 20-bit Sigma-Delta ADC specifically designed for low frequency measurement applications that require high accuracy. This component ensures minimal noise and high linearity, making it ideal for applications in medical devices, industrial control systems, and precision sensing instruments. By leveraging Analog Devices' advanced technology, the AD7781BRZ offers excellent performance in terms of speed and power efficiency, catering to the demanding requirements of today's sophisticated electronic measurements.
AD7781BRZ Features
- 20-bit resolution Sigma-Delta ADC
- Low power consumption
- Single-supply operation: 2.7V to 5.25V
- Low noise performance, suitable for high accuracy measurements
- Integrated programmable gain amplifier (PGA)
- Simplified interfacing with SPI-compatible serial interface
- Internal oscillator – no external components required
AD7781BRZ Applications
- Medical Devices: Utilized in precision medical instrumentation like electronic blood pressure monitors and electrocardiogram machines, where accuracy and reliability are critical.
- Industrial Automation: Applied in systems for monitoring and controlling industrial processes, including flow measurement and material analysis.
- Smart Sensing Devices: Key component in environmental monitoring systems, such as air quality sensors and water purity testing, where precise data collection is necessary.
- Weigh Scales: Essential for high precision weigh scales used in laboratories and manufacturing environments where measurement accuracy directly impacts quality control.
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