Features and Benefits
570 kSPS (Warp mode)
500 kSPS (Normal mode)
444 kSPS (Impulse mode)
- INL: 2.5 LSB max (0.0038% of full scale)
- 16-Bit resolution with no missing codes
- S/(N+D): 90 dB Typ @ 45 kHz
- THD: –100 dB Typ @ 45 kHz
- Analog input voltage range: 0 V to 2.5 V
- Both AC and DC specifications
- No pipeline delay
- Parallel and serial 5 V/3 V interface
- SPI®/QSPI™/MICROWIRE™/DSP compatible
- See data sheet for additional features
The AD7664 is a 16-bit, 570 kSPS, charge redistribution SAR, analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports.
The AD7664 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), a fast mode (Normal) for asynchronous conversion rate applications, 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, with correspondingly low cost and is available in a 48-lead LQFP and a tiny 48-lead LFCSP with operation specified from –40°C to +85°C.
- Fast Throughput
The AD7664 is a 570 kSPS, charge redistribution, 16-bit SAR ADC with internal error correction circuitry.
- Superior INL
The AD7664 has a maximum integral nonlinearity of 2.5 LSBs with no missing 16-bit code.
- Single-Supply Operation
The AD7664 operates from a single 5 V supply and dissipates only a maximum of 115 mW. In Impulse Mode, its power dissipation decreases with the throughput to, for instance, only 21 µW at a 100 SPS throughput. It consumes 7 µW maximum when in power-down.
- Serial or Parallel Interface
Versatile parallel or 2-wire serial interface arrangement compatible with both 3 V or 5 V logic.
- Data acquisition
- Digital signal processing
- Spectrum analysis
- Medical instruments
- Battery-powered systems
- Process control
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
The EVAL-AD7664EDZ is a fully featured evaluation kit for the AD7664. This board operates in stand alone mode or in conjunction with the converter evaluation and development board, EVAL-CED1Z . When operated with the Converter Evaluation and Development board, software is provided enabling the user to perform detailed analysis of the ADC's performance. This software includes the technical note describing the operation and set up of the evaluation board in standalone operation or when operated with the Converter Evaluation and Development board.
Documentation & Resources
Tools & Simulations
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
Sample & Buy
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Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.