AD7475ARMZ Single Channel A/D Converters by Analog Devices

Status: Production
Series: AD7475
RoHS: Compliant
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The AD7475 / AD7495 are 12-bit, high speed, low power,successive-approximation ADCs that operate from a single2.7 V to 5.25 V power supply with throughput rates up to 1 MSPS.They contain a low noise, wide bandwidth track-and-holdamplifier that can handle input frequencies above 1 MHz.The conversion process and data acquisition are controlledusing CS and the serial clock, allowing the devices to interfacewith microprocessors or DSPs. The input signal is sampled onthe falling edge of CS and conversion is initiated at this point.The conversion time is determined by the SCLK frequency.There are no pipeline delays associated with the device.The AD7475 / AD7495 use advanced design techniques toachieve very low power dissipation at high throughput rates.With 3 V supplies and a 1 MSPS throughput rate, the AD7475consumes just 1.5 mA, while the AD7495 consumes 2 mA. With5 V supplies and 1 MSPS, the current consumption is 2.1 mAfor the AD7475 and 2.6 mA for the AD7495.The analog input range for the devices is 0 V to REF IN. The2.5 V reference for the AD7475 is applied externally to the REF INpin, while the AD7495 has an on-board 2.5 V reference.PRODUCT HIGHLIGHTS The AD7475 offers 1 MSPS throughput rates with 4.5 mW power consumption. Single-supply operation with VDRIVE function. The AD7475/AD7495 operate from a single 2.7 V to 5.25 V supply. The VDRIVE function allows the serial interface to connect directly to either 3 V or 5 V processor systems independent of VDD. Flexible power/serial clock speed management. The conversion rate is determined by the serial clock, allowing the conversion time to be reduced through the serial clock speed increase. The devices also feature shutdown modes to maximize power efficiency at lower throughput rates. This allows the average power consumption to reduce while not converting. Power consumption is 1 μA when in full shutdown. No pipeline delay. The devices feature a standard successive approximation ADC with accurate control of the sampling instant via a CS input and once-off conversion control.

Prices starting from US$8.72


Distributor Starting From Stock
Logo for Analog Devices Analog Devices US$8.96
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Logo for Richardson RFPD Richardson RFPD US$8.72
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Features

Fast throughput rate: 1 MSPS
Specified for VDD of 2.7 V to 5.25 V
Low power:
4.5 mW max at 1 MSPS with 3 V supplies
10.5 mW max at 1 MSPS with 5 V supplies
Wide input bandwidth: 68 dB SNR at 300 kHz input frequency
Flexible power/serial clock speed management
No pipeline delays
High speed serial interface
SPI-/QSPI™-/MICROWIRE-/DSP-compatible
On-board reference: 2.5 V (AD7495 only)
Standby mode: 1 μA max
8-lead MSOP and SOIC packages

Alternative Descriptions

Fast 12-Bit low power serial A | Analog Devices
CONVERTER - ADC | Richardson RFPD


Frequently Asked Questions

Where can I find additional details, specifications and documents for a AD7475ARMZ?

Additional datasheets, footprints and schematics for AD7475ARMZ are listed on our Part Details page. You can also find images and similar parts to AD7475ARMZ on this page.

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What category does AD7475ARMZ fall under?

The AD7475ARMZ is listed under Single Channel A/D Converters.

Can I view similar or alternative parts?

You can view similar parts to AD7475ARMZ when available in the Single Channel A/D Converters range under the specifications section at the bottom of the details page.

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Is the AD7475ARMZ RoHS compliant?

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

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Authorised distributors including Analog Devices and Richardson RFPD have stock available or on a lead time for AD7475ARMZ.

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