Analog Devices have released the ADAQ798x family of 16-bit analog-to-digital converter (ADC) subsystems that integrate four common signal processing and conditioning blocks into a system in package (SiP) design that supports a variety of applications. These devices contain the most critical passive components, eliminating many of the design challenges associated with traditional signal chains that use successive approximation register (SAR) ADCs. These integrated passive components are crucial to achieving the specified device performance
ADAQ798x Block Diagram
The ADAQ798x family contain a high accuracy, low power, 16-bit SAR ADC, a low power, high bandwidth, high input impedance ADC driver, a low power, stable reference buffer, and an efficient power management block. Housed within a tiny, 5 mm × 4 mm LGA package, these systems simplify the design process for data acquisition systems. The level of system integration of the ADAQ798x family solves many design challenges, while the devices still provide the flexibility of a configurable ADC driver feedback loop to allow gain and/or common-mode adjustments. A set of four device supplies provides optimal system performance; however, single-supply operation is possible with minimal impact on device operating specifications. Using the SDI input, the serial peripheral interface (SPI)-compatible serial interface features the ability to daisy-chain multiple devices on a single, 3-wire bus and provides an optional busy indicator. The user interface is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic. Specified operation of these devices is from −55°C to +125°C.
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Reference notes
The ADAQ798x family of 16-bit analog-to-digital converter (ADC) subsystems are suitable for a range of applications including Automated test equipment (ATE), Battery powered instrumentation, Communications, Data acquisition, Environmental monitoring, Process control, Industrial and Medical instruments.
Click below video for an overview of the ADAQ798x family
Design support for the ADAQ798x family is provided by the EVAL-ADAQ7980SDZ evaluation board which demonstrates the low power ADAQ7980 performance and provides an easy to understand interface for a variety of system applications. The EVAL-ADAQ7980SDZ can also evaluate the ADAQ7988, despite being populated with the ADAQ7980. To mimic the evaluation of the ADAQ7988 performance, limit the maximum sample rate of the ADAQ7980 to 500 kSPS in the ADAQ798x Evaluation Software.
The evaluation board is ideal for use with the system demonstration platform (SDP) board, EVAL-SDP-CB1Z. The EVAL-ADAQ7980SDZ interfaces to the SDP board via a 120-pin connector. SMA Connectors P1, P2, P3, and P4 are provided to connect a low noise analog signal source. The ADAQ798x Evaluation Software executable controls the evaluation board over the USB through the EVAL-SDP-CB1Z.
Anglia are offering customers a FREE EVAL-ADAQ7980SDZ evaluation board for the ADAQ798x Integrated Data Acquisition Subsystem from Analog Devices, please fill in the form below to register your interest now.
Free samples are subject to availability.
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