AD7656ABSTZ Simultaneous Sampling A/D Converters by Analog Devices

Simultaneous Sampling A/D Converters
Status: Production
Series: AD7656A
RoHS: Compliant
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The AD7656A contains six 16-bit, fast, low power, successiveapproximation analog-to-digital converters (ADCs) all in theone package that is designed on the iCMOS® process (industrial CMOS). iCMOS is a process combining high voltage silicon with submicron CMOS and complementary bipolar technologies.It enables the development of a wide range of high performanceanalog ICs, capable of 33 V operation in a footprint that noprevious generation of high voltage devices could achieve. Unlikeanalog ICs using conventional CMOS processes, iCMOScomponents can accept bipolar input signals while providingincreased performance, which dramatically reduces powerconsumption and package size.The AD7656A features throughput rates of up to 250 kSPS. Itcontains wide bandwidth (12 MHz), track-and-hold amplifiersthat can handle input frequencies up to 12 MHz.The conversion process and data acquisition are controlledusing CONVST x signals and an internal oscillator. ThreeCONVST x pins (CONVST A, CONVST B, and CONVST C)allow independent, simultaneous sampling of the three ADCpairs. The AD7656A has a high speed parallel and serial interface,allowing the device to interface with microprocessors or digitalsignal processors (DSPs). In serial interface mode, the AD7656Ahas a daisy-chain feature that allows multiple ADCs to connectto a single serial interface. The AD7656A can accommodatetrue bipolar input signals in the ±4 × VREF range and ±2 × VREF range. The AD7656A also contains an on-chip 2.5 V reference.Multifunction pin names may be referenced by their relevantfunction only.Please visit next generation product AD7606. For reduced decoupling requirements visit the AD7656A-1 product page.PRODUCT HIGHLIGHTS Six 16-bit, 250 kSPS ADCs on board. Six true bipolar, high impedance analog inputs. Parallel and high speed serial interfaces.

Where to Buy

Prices starting from US$14.66

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$14.66
181
in stock
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Logo for Newark Electronics
Newark Electronics
from US$28.21
77
in stock
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Logo for element14
element14
from US$23.92
77
in stock
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Farnell
from US$22.75
77
in stock
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Chip One Stop
from US$25.70
11
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Features

6 independent analog-to-digital converters (ADCs)
True bipolar analog inputs
Pin-/software-selectable ranges: ±10 V or ±5 V
Fast throughput rate: 250 kSPS
iCMOS® process technology
Low power: 140 mW at 250 kSPS with 5 V supplies
Wide input bandwidth:
86.5 dB SNR at 50 kHz input frequency
On-chip reference and reference buffers
Parallel, serial, and daisy-chain interface modes
High speed serial interface:
Serial peripheral interface (SPI)/QSPI™/MICROWIRE®/DSP compatible
Power-down mode: 100 mW maximum
64-lead LQFP
Improved power supply sequencing (PSS) robustness

Alternative Descriptions

6Ch SimSamp Bipolar 16Bit SAR | Analog Devices
Adc, 16Bit, 250Ksps, Lqfp-64 | Newark Electronics
ADC, 16BIT, 250KSPS, LQFP-64 | element14

Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD7656ABSTZ?

Additional datasheets, footprints and schematics for AD7656ABSTZ are listed on our Part Details page. You can also find images and similar parts to AD7656ABSTZ on this page.

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What category does AD7656ABSTZ fall under?

The AD7656ABSTZ is listed under Simultaneous Sampling A/D Converters.

Can I view similar or alternative parts?

You can view similar parts to AD7656ABSTZ 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 AD7656ABSTZ RoHS compliant?

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

Which authorised distributors for AD7656ABSTZ have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Chip One Stop have stock available or on a lead time for AD7656ABSTZ.

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