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AD7665:  16-Bit 570 kSPS Bipolar PulSAR® ADC

Based on the Pulsar core, the AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR, Analog-to-Digital Converter that operates from a single 5 V power supply. It contains a high-speed 16-Bit sampling ADC, a resistor input scalar, which allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD7665 is ...More

AD7665:  16-Bit 570 kSPS Bipolar PulSAR® ADC

Product Description

Based on the Pulsar core, the AD7665 is a 16-bit, 570 kSPS, charge redistribution SAR, Analog-to-Digital Converter that operates from a single 5 V power supply. It contains a high-speed 16-Bit sampling ADC, a resistor input scalar, which allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD7665 is hardware factory calibrated and is comprehensively tested to ensure such ac parameters as signal-to-noise ratio (SNR) and total harmonic distortion (THD), in addition to the more traditional dc parameters of gain, offset, and linearity.

It features a very high sampling rate mode (Warp) and, for asynchronous conversion rate applications, a fast mode (Nor-mal) and, for low power applications, a reduced power mode (Impulse) where the power is scaled with the throughput. It is fabricated using Analog Devices’ high-performance, 0.6 micron CMOS process and is available in a 48-lead LQFP with operation specified from -40°C to +85°C.

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  • Throughput
    570 kSPS (Warp Mode)
    500 kSPS (Normal Mode)
  • INL: ±2.5 LSB Max (± 0.0038% of Full Scale)
  • 16-Bit Resolution with No Missing Codes
  • S/(N+D): 90 dB Typ @ 180 kHz
  • THD: –100 dB Typ @ 180 kHz
  • Analog Input Voltage Ranges
    Bipolar: ±10 V, ±5 V, ±2.5 V
    Unipolar: 0 V to 10 V, 0 V to 5 V, 0 V to 2.5 V
  • Both AC and DC Specifications
  • No Pipeline Delay
  • Parallel (8/16 Bits) and Serial 5 V/3 V Interface
  • SPI®/QSPI™/MICROWIRE™/DSP
    Compatible
  • Single 5 V Supply Operation
  • Power Dissipation
    64 mW Typical
    15 µW @ 100 SPS
  • Resolution (Bits): 16bit
  • T-Put Rate: 570kSPS
  • # Chan: 1
  • Supply V: Single(+5)
  • Pwr Diss: 107mW
  • Interface: Par,Ser,SPI
  • Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Uni (Vref),Uni (Vref) x 2,Uni (Vref) x 4
  • SNR (dB): 90dB
  • Pkg Type: CSP,QFP

Functional Block Diagram for AD7665

AD7665 Diagram
Functional Block Diagram for AD7665

Similar Products

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Part# Bits Throughput Rate # of Inputs Operating Pwr Diss
AD7401 16 20MSPS 1 100mW
AD7983 16 1.33MSPS 1 12mW
AD7621 16 3MSPS 1 86mW
AD7622 16 2MSPS 1 85mW
AD7623 16 1.33MSPS 1 55mW
AD7401A 16 20MSPS 1 105mW
AD7665 16 570KSPS 1 107mW
AD7400A 16 10MSPS 1 95mW
AD7400 16 10MSPS 1 90mW
AD7980 16 1MSPS 1 10mW
AD7484 14 3MSPS 1 90mW
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Pricing, Packaging & Availability

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For detailed drawings and chemical composition please consult our  Package Site

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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
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*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.