EVAL-AD7779FMCZ Simultaneous Sampling A/D Converters by Analog Devices

Status: Production
Series: AD7779
RoHS: Compliant
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The AD7779 is an 8-channel, simultaneous sampling ADC.There are eight full Σ-Δ ADCs on chip. The AD7779 providesan ultralow input current to allow direct sensor connection. Eachinput channel has a programmable gain stage allowing gains of1, 2, 4, and 8 to map lower amplitude sensor outputs into thefull-scale ADC input range, maximizing the dynamic range ofthe signal chain. The AD7779 accepts VREF from 1 V up to 3.6 V.The analog inputs accept unipolar (0 V to VREF/GAIN) or truebipolar (±VREF/GAIN/2 V) analog input signals with 3.3 V or±1.65 V analog supply voltages. The analog inputs can beconfigured to accept true differential, pseudo differential, or singleendedsignals to match different sensor output configurations.Each channel contains an ADC modulator and a sinc3, lowlatency digital filter. An SRC is provided to allow fine resolutioncontrol over the AD7779 ODR. This control can be used in

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Features

8-channel, 24-bit simultaneous sampling analog-to-digital converter (ADC)
Single-ended or true differential inputs
Programmable gain amplifier (PGA) per channel (gains of 1, 2, 4, and 8)
Low dc input current
±1.5 nA (differential)
±4 nA (single-ended)
Up to 16 kSPS output data rate (ODR) per channel
Programmable ODRs and bandwidth
Sample rate converter (SRC) for coherent sampling
Sampling rate resolution up to 15.2 µSPS
Low latency sinc3 filter path
Adjustable phase synchronization
Internal 2.5 V reference
Two power modes optimizing power dissipation and performance: high resolution mode and low power mode
Low resolution successive approximation (SAR) ADC for system and chip diagnostics
Power supply
Bipolar (±1.65 V) or unipolar (3.3 V) supplies
Digital input/output (I/O) supply: 1.8 V to 3.6 V
Performance temperature range: –40°C to +105°C
Functional temperature range: –40°C to +125°C
Performance
Combined ac and dc performance
108 dB signal-to-noise ratio (SNR)/dynamic range at 16 kSPS in high resolution mode
−109 dB total harmonic distortion (THD)
±7 ppm integral nonlinearity (INL)
±40/PGAGAIN offset error and ±0.1% gain error
±10 ppm/°C typical temperature coefficient

Alternative Descriptions

evaluation control board. | Analog Devices
Evaluation Kit, Delta-Sigma Adc | Newark Electronics
EVALUATION KIT, DELTA-SIGMA ADC | element14
MICROCONTROLLER - DEVELOPMENT TOOL | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a EVAL-AD7779FMCZ?

Additional datasheets, footprints and schematics for EVAL-AD7779FMCZ are listed on our Part Details page. You can also find images and similar parts to EVAL-AD7779FMCZ on this page.

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What category does EVAL-AD7779FMCZ fall under?

The EVAL-AD7779FMCZ is listed under Simultaneous Sampling A/D Converters.

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You can view similar parts to EVAL-AD7779FMCZ when available in the Simultaneous Sampling A/D Converters range under the specifications section at the bottom of the details page.

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Is the EVAL-AD7779FMCZ RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Chip One Stop have stock available or on a lead time for EVAL-AD7779FMCZ.

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