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AD7880:  CMOS, Single +5 V Supply, Low Power, 12-Bit Sampling ADC

The AD7880 is a high speed, low power, 12-bit A/D converter which operates from a single +5 V supply. It consists of a 3 µs track/hold amplifier, a 12 µs successive-approximation ADC, versatile interface logic and a multiple-input range circuit. The part also includes a power save feature.

An internal resistor network allows the part to accept both unipolar and bipolar input signals ...More

AD7880:  CMOS, Single +5 V Supply, Low Power, 12-Bit Sampling ADC

Product Description

The AD7880 is a high speed, low power, 12-bit A/D converter which operates from a single +5 V supply. It consists of a 3 µs track/hold amplifier, a 12 µs successive-approximation ADC, versatile interface logic and a multiple-input range circuit. The part also includes a power save feature.

An internal resistor network allows the part to accept both unipolar and bipolar input signals while operating from a single +5 V supply. Fast bus access to modern microprocessors and digital signal processors.

The AD7880 features a total throughput time of 15 µs and can convert full power signals up to 33 kHz with a sampling frequency of 66 kHz.

In addition to the traditional dc accuracy specifications such as linearity, full scale and offset errors, the AD7880 is also fully specified for dynamic performance parameters including harmonic distortion and signal-to-noise ratio.

The AD7880 is fabricated in Analog Devices' Linear Compatible CMOS (LC2MOS) process, a mixed technology process that combines precision bipolar circuits with low power CMOS logic. The part is available in a 24-pin, 0.3 inch wide, plastic or hermetic dual-in-line package (DIP) as well as a small 24-lead SOIC package.

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  • 12-Bit Monolithic A/D Converter
  • 66 kHz Throughput Rate
    - 12 µs Conversion Time
    - 3 µs On-Chip Track/Hold Amplifier
  • 70 dB SNR
  • Low Power:
    - Power Save Mode: 2 mW typ
    - Normal Operation: 25 mW typ
  • Fast Data Access Time: 57 ns
  • Small 24-Lead SOIC and 0.3" DIP Packages
  • Resolution (Bits): 12bit
  • T-Put Rate: 66kSPS
  • # Chan: 1
  • Supply V: Single(+5)
  • Pwr Diss: 37.5mW
  • Interface: Par
  • Ain Range: Bip (Vref),Uni (Vref),Uni (Vref) x 2
  • SNR (dB): 72dB
  • Pkg Type: DIP,SOIC

Functional Block Diagram for AD7880

AD7880 Diagram
Functional Block Diagram for AD7880

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AD7492-4 12 400KSPS 1 15mW
AD7492-5 12 1.25MSPS 1 16.5mW
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AD7854B 12 200KSPS 1 30mW
AD7854L 12 100KSPS 1 10mW
AD7853B 12 200KSPS 1 33mW
AD7853L 12 100KSPS 1 33mW
AD7476 12 1MSPS 1 17.5mW
AD7466 12 200KSPS 1 900µW
AD7453 12 555KSPS 1 7.25mW
AD7898 12 220KSPS 1 22.5mW
AD7457 12 100KSPS 1 3mW
AD7452 12 555KSPS 1 7.25mW
AD7450 12 1MSPS 1 9mW
AD7450A 12 1MSPS 1 9mW
AD7472 12 1.5MSPS 1 12mW
AD7475 12 1MSPS 1 10.5mW
AD7896 12 100KSPS 1 10.8mW
AD7920 12 250KSPS 1 15mW
AD7276 12 3MSPS 1 19.8mW
AD7476A 12 1MSPS 1 17.5mW
AD7895 12 192KSPS 1 20mW
AD7880 12 66KSPS 1 37.5mW
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Pricing, Packaging & Availability

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Model
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Status
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  • Pre-Release: The model has not been released to general production, but samples may be available.
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  • Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
Package Description
The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
Price
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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This is the date Analog Devices, Inc. anticipates that the product will ship from the warehouse. Most orders ship within 48 hours of this date.Once an order has been placed, Analog Devices, Inc. will send an Order Acknowledgement email to confirm your delivery date. It is important to note the scheduled dock date on the order entry screen. We do take orders for items that are not in stock, so delivery may be scheduled at a future date. Also, please note the warehouse location for the product ordered. We have warehouses in the United States, Europe and Southeast Asia. Transit times from these sites may vary.
Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.

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Due to environmental concerns, ADI offers many of our products in lead-free versions. For more information about lead-free parts, please consult our Pb (Lead) free information page.

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This is the list of Product Change Notifications (PCN) published on the web for this model. Click on the link to access PCN Information.Only select pre-2009 PCN�s are available on-line. To obtain a pre-2009 PCN, contact your ADI Sales Rep. For more information on ADI's PCN process, please visit our PCN Policy Statement page

*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.