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Share Name | Share Symbol | Market | Type |
---|---|---|---|
Analog Devices Inc | NASDAQ:ADI | NASDAQ | Common Stock |
Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
---|---|---|---|---|---|---|---|---|---|---|
4.18 | 1.76% | 241.895 | 241.86 | 241.92 | 242.325 | 237.645 | 239.01 | 804,042 | 18:49:58 |
Analog Devices, Inc. today introduced a FET input AFE with an integrated ADC driver designed to interface directly with current mode sensors such as photo diodes and high output impedance voltage sensors. The ADA4350 integrates a FET input amplifier, switching network and ADC driver into a single package, which simplifies design and lowers power and PCB footprint by more than 50 percent compared to discrete implementations.
The ADA4350 features low-noise performance at low frequencies of 90nV/√Hz at 10 Hz and broadband noise of 5 nV/√Hz at 100 kHz to maximize the signal-to-noise ratio of the sensor output. Wide dynamic range measurement for small, sensitive signals such as photons or electrons is enabled with the inclusion of integrated gain switching. The on-chip programmability of the ADA4350 allows designers to select external, optimized feedback components. With one chip, a single-ended or differential sensor current or voltage signal can be transformed to a high-speed, low-noise, single-ended or differential-output voltage.
In analytical measurement applications, light may need to be monitored over many decades of intensity. This requires a variety of gain switching networks that often incorporate multiple external amplifiers and analog switches, which increases the potential for system errors. The ADA4350 integrates the switching networks and input amplifier to minimize leakage and allow the switching network to select up to six externally configurable feedback networks. In test and measurement systems, the same high measurement accuracy must be maintained across the gain levels as the user adjusts the input range of the instrument. For measuring a wider dynamic range, the ADA4350 is an ideal choice because of its high-impedance/low-Ib input amplifier and serial port-controlled switch network. The device also reduces PCB footprint while significantly increasing channel count without thermal density restrictions.
ADA4350 FET Input AFE Features
Pricing, Availability and Complementary Components
ProductProductionAvailability
Price Each In1,000 Quantities
Packaging ADA4350 NOW $5.73 28-lead TSSOPComplementary components for the ADA4350 include the AD7960 PULSAR® differential ADC, ADR4540 voltage reference, and ADP7118 and ADP7182 linear regulators.
About Analog Devices
Analog Devices (NASDAQ: ADI) designs and manufactures semiconductor products and solutions. We enable our customers to interpret the world around us by intelligently bridging the physical and digital with unmatched technologies that sense, measure and connect. Visit http://www.analog.com.
Follow ADI on Twitter at http://www.twitter.com/ADI_News
Subscribe to Analog Dialogue, ADI’s monthly technical journal, at: http://www.analog.com/library/analogDialogue/
EngineerZone is a registered trademark of Analog Devices, Inc.
Photos/Multimedia Gallery Available: http://www.businesswire.com/multimedia/home/20150512005001/en/
Analog Devices, Inc.Grainne Murphy, 353-61-495540grainne.murphy@analog.comorPorter NovelliAndrew MacLellan, 617-897-8270andrew.maclellan@porternovelli.com
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