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Data Converter news and resources from the world leader

New Products in Full Production:
Dual 14-bit A/D converter reduces power and size in communications, instrumentation, test and measurement applications
122 mW/ch power dissipation under full operating conditions
5 mm x 5 mm 32-lead LFCSP
SNR = 74.3 dBFS at fIN up to Nyquist input frequency; 125 MSPS sampling rate
SFDR = 91 dBc at fIN = 70 MHz
Excellent DC linearity:
  • DNL = ±0.65 LSB typical
  • INL = ±1.5 LSB typical
Learn more about the AD9645 dual 16-bit high-speed ADC

Octal ultrasound receiver with ADC, digital I/Q demodulator, and FIR decimation filter, reduces processor overhead in ultrasound systems
8-channel LNA, VGA, AAF, ADC
14-bit, 125 MSPS A/D converter
SNR = 75 dB
Low power: 130-mW/channel @ 40 MSPS in TGC (time gain compensation) mode
55 mW/channel in CW mode
Low noise: 0.78 nV/√Hz typical at 5 MHz (gain = 21.3 dB)
Learn more about the AD9670 octal analog front-end

New nanoDAC+™ quad 16- and 12-bit 3V/5V D/A converters in space-saving packages
INL is ±2LSB max (at 16-bits)
Offset error is ±1.5mV max
Gain error is ±0.1% max
Low power: 1.8 mW at 3 V
Tiny 3mm x 3mm 16- lead LFCSP package
I2C or SPI interface versions are available
Learn more about the AD5686 quad 16-bit nanoDAC+
Learn more about the AD5684 quad 12-bit nanoDAC+

New nanoDAC® quad 10-bit 3V/5V internal reference D/A converters in space-saving packages
Similar DC performance as AD5686 and AD5684
Low drift 2.5 V reference: 2 ppm/°C typical
Low glitch: 0.5 nV-sec
Up to 3.5-kV ESD (HBM)
Tiny 3mm x 3mm 16- lead LFCSP package
I2C (AD5316R) or SPI (AD5317R) interface versions are available
Learn more about the AD5316R quad 12-bit nanoDAC with internal reference
Learn more about the AD5317R quad 12-bit nanoDAC with internal reference

Instrumentation amplifier suitable for driving low power SAR A/D converters provides power-efficiency, zero-drift accuracy and value, for portable instrumentation designs
Gain range: 1 to 1000
CMRR: 114 dB
DC precision
Input offset voltage" 75 µV
Offset drift: 0.3 µV/°C
Supply current" 115 µA
Supply range: 1.8V to 5.5V
Bandwidth (G=11): 10 kHz
Learn more about the AD8237 instrumentation amplifier

Check it out! New Release of the Free Analog Devices SPICE Simulation Tool Visualizes and Enhances Component Evaluation for Linear Designs
The new version of National Instruments' Multisim™ Component Evaluator - Analog Devices edition adds features and functionality to provide engineers with an easy-to-use environment for the simulation of linear circuits using ADI components. The new release of Multisim - ADI Edition includes more than 870 models of ADI's linear components. By pairing these components with intuitive simulation features and SPICE analyses, engineers can now visualize and evaluate linear performance, making this critical step of circuit design easier, faster and far more productive.
Learn more about Multisim - ADI Edition and download a free copy
The ADuCM360, a fully integrated, 4-kSPS, 24-bit data acquisition system-on-a-chip incorporating dual, high-performance, multi-channel sigma-delta A/D converters, a 32-bit ARM Cortex™ M3 MCU, and flash/EE memory. This device draws 1-mA of operating current and is designed for direct interfacing to external 4- to 20-mA loop-powered precision sensors in industrial process control. Low sleep current further enhances ADuCM360 use in battery powered applications.
The ADuCM360 microcontroller core is a low power 32-bit ARM RISC machine and incorporates a flexible 11-channel DMA (direct memory access) controller supporting wired (SPI, UART, I2C) communication peripherals. In addition there are 128k bytes of non-volatile flash/EE and 8k bytes of SRAM, all integrated on-chip.
The ADuCM360 analog sub-system consists of two A/D converters connected to a flexible input multiplexer (with up to 11 input channels) and each with its own programmable gain amplifier. Both converters can operate in fully differential or single-ended modes. The ADuCM360 is ideal for applications where the second A/D converter is needed for temperature compensation on the sensor or for dual-sensor applications.
The ADuCM360 is housed in 48-lead LFCSP (7mm x 7mm) package with operation specified at the temperature range of -40°C to 125°C.

Dual 4-kSPS 24-bit sigma-delta ADCs
Single-ended or fully differential inputs
Selectable input range ±6.64 mV to ±1.2V
Internal voltage reference (±4ppm/°C)
ARM Cortex™ M3 32-bit microcontroller
Low-cost QuickStart™ development system

Industrial automation and process control
Intelligent, precision sensing systems
Industrial control
4 mA to 20 mA loop-powered smart sensor systems
Medical devices, patient monitoring
Learn more about the ADuCM360 precision analog microcontroller

Autumn 2012
Data Conversion Online Knowledge Resource
The Data Conversion Knowledge resource site addresses the various design fundamentals necessary to insure that a given data conversion stage operates as intended. New content is continuously being generated by ADI technologists and applications engineers and added to this resource library. Here are three of the latest content additions:
RAQ: Driving Miss ADC: I've been told that ADC inputs can be "unfriendly." What should I be worried about?"
Tutorial: MT-101: Decoupling Techniques (pdf)
Application Note: AN-931: Understanding PulSAR ADC Support Circuitry (pdf
We welcome you to visit this site and learn about designing the complete conversion signal chain.
Webcast on-demand
How to Read a Data Sheet
New JESD204x Interface for Converters - IMS 2012
Nancy Friedrich of Microwaves & RF magazine talks to Ted Harris of ADI about our new JESD204x interfaces for the Analog Devices converters.
Analog Dialogue Article
Staying Well Grounded
There is no single grounding method that will guarantee optimum circuit performance 100% of the time. When laying out the initial PC board, it is helpful to provide for as many options as possible. This article presents a number of possible layout options, depending upon the characteristics of the particular mixed-signal devices in question.
Read the complete article here
Applications Note
AN-1142: Techniques for High Speed ADC PCB Layout
In today's industry, the layout of the system board has become an integral part of the design itself. Therefore, it is of paramount importance that the designer has an understanding of the mechanisms that affect the performance of a high speed signal chain design. This application note provides information that may be useful when starting the next high speed design.
Read the complete article here
Get answers to your design questions in our EngineerZone Data Converters support community
As seen in EDN Magazine, ADI's Rarely Asked Questions presents common application challenges presented in a unique way.

Question: What is the most common problem with precision analog circuits?
View Answer
High IF Sampling Receiver Front End with Band-Pass Filter (CN-0279)
In most systems, there are tradeoffs between performance and low power. Circuits from the Lab
This reference circuit comprises a narrow band-pass receiver front end based on the ADL5565 ultralow noise differential amplifier driver and the AD9642, 14-bit, 250 MSPS, analog-to-digital converter. The circuit provides signal-to-noise ratio (SNR) and spurious-free dynamic range (SFDR), measured with a 127 MHz analog input, of 71.7 dBFS and 92 dBc, respectively.
Read the circuit note and download design files
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