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