AD7658YSTZ Simultaneous Sampling A/D Converters by Analog Devices

Simultaneous Sampling A/D Converters
Status: Production
Series: AD7658
RoHS: Compliant
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The AD7656 / AD7657 / AD7658 contain six 16-/14-/12-bit, fast, low power, successive approximation ADCs all in the one 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 performance analog ICs, capable of 33 V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike analog ICs using conventional CMOS processes, iCMOS components can accept bipolar input signals while providing increased performance, which dramatically reduces power consumption and package size. The AD7656 / AD7657 / AD7658 feature throughput rates up to 250 kSPS. The parts contain low noise, wide bandwidth, track-and-hold amplifiers that can handle input frequencies up to 12 MHz.The conversion process and data acquisition are controlled using CONVST signals and an internal oscillator. Three CONVST pins allow independent, simultaneous sampling of the three ADC pairs. The AD7656 / AD7657 / AD7658 all have a high speed parallel and serial interface, allowing the devices to interface with microprocessors or DSPs. In serial interface mode, the parts have a daisy-chain feature that allows multiple ADCs to connect to a single serial interface. The AD7656 / AD7657 / AD7658 can accommodate true bipolar input signals in the ±4 × VREF range and ±2 × VREF range. The AD7656 / AD7657 / AD7658 also contain an on-chip 2.5 V reference.For reduced decoupling requirements visit the AD7658-1 product page.PRODUCT HIGHLIGHTS Six 16-/14-/12-bit, 250 kSPS ADCs on board. Six true bipolar, high impedance analog inputs. Parallel and high speed serial interfaces.

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Prices starting from US$16.64

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Features

6 independent ADCs
True bipolar analog inputs
Pin-/software-selectable ranges: ±10 V, ±5 V
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
Fast throughput rate: 250 kSPS
Parallel, serial, and daisy-chain interface modes
High speed serial interface SPI®-/QSPI™-/MICROWIRE™-/DSP-compatible
Standby mode: 100 µW maximum
64-lead LQFP

Alternative Descriptions

CONVERTER - ADC | Richardson RFPD

Frequently Asked Questions

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Additional datasheets, footprints and schematics for AD7658YSTZ are listed on our Part Details page. You can also find images and similar parts to AD7658YSTZ on this page.

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What category does AD7658YSTZ fall under?

The AD7658YSTZ is listed under Simultaneous Sampling A/D Converters.

Can I view similar or alternative parts?

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Is the AD7658YSTZ RoHS compliant?

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

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