AD7490 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD7490
Manufacturer

ADI
ChipWorker Part#

CW314589471
Description

16Channel, 1MSPS, 12Bit ADC with Sequencer in 28-Lead TSSOP Data Sheet (Rev D, 12/2012
Documentation

Datasheet

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AD7490 Specifications

Attribute	Attribute Value

Part Number	AD7490
Manufacturer	ADI
ChipWorker Part#	CW314589471
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD7490 is a 12-bit high speed, low power, successive- approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. The part contains a low-noise, wide bandwidth track/hold amplifier that can handle input frequencies in excess of 1 MHz.
The conversion process and data acquisition are controlled using CS and the serial clock, allowing the device to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and conversion is also initiated at this point. There are no pipeline delays associated with the part.
The AD7490 uses advanced design techniques to achieve very low power dissipation at high throughput rates. For maximum throughput rates, the AD7490 consumes just 1.8 mA with 3 V supplies, and 2.5 mA with 5 V supplies. By setting the relevant bits in the control register, the analog input range for the part can be selected to be a 0 V to REFIN input or a 0 V to 2 × REFIN input, with either straight binary or twos complement output coding. The AD7490 features 16 single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequen-tially. The conversion time is determined by the SCLK or twos complement output coding. The AD7490 features 16 single-ended analog inputs with a channel sequencer to allow a preprogrammed selection of channels to be converted sequen-tially. The conversion time is determined by the SCLK.
The AD7490-EP supports defense and aerospace applications (AQEC)
### Features and Benefits
Fast throughput rate: 1 MSPS
Specified for VDD of 2.7 V-5.25 V
Low power at maximum throughput rates
5.4 mW maximum at 870 kSPS with 3 V supplies
12.5 mW maximum at 1 MSPS with 5 V supplies
16 (single-ended) inputs with sequencer
Wide input bandwidth 69.5 dB SNR at 50 kHz input frequency
See data sheet for additional features
**AD7490-EP supports defense and aerospace applications (AQEC standard)**
Download AD7490-EP Data Sheet (pdf)
Military temperature range (−55°C to +125°C)
Controlled manufacturing baseline
One assembly/test site
One fabrication site
Enhanced product change notification
Qualification data available on request
V62/12635 DSCC Drawing Number

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