Product category: Power Supply ICs and Controllers
News Release from: Maxim Integrated Products | Subject: Max11043 ADC
Edited by the Electronicstalk Editorial Team on 30 September 2008
Maxim introduces simultaneous-sampling
ADC
Maxim Integrated Products has introduced the Max11043 quad, 16-bit, simultaneous-sampling ADC for sensor applications.
Designed for continuous-wave (CW) chirp radar systems, this device provides conditioning and digitising of IF signals from a 24GHz or 77GHz radar front end for a DSP or microprocessor The device integrates four discrete analogue filters, four high-precision, simultaneous-sampling ADCs and a 12-bit control DAC into a 6mm x 6mm package
This article was originally published on Electronicstalk on 8 Oct 2008 at 8.00am (UK)
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The Max11043 contains a versatile filter block and PGA on each of its four channels.
The filter consists of seven cascaded, second-order, programmable filter sections, allowing the construction of a 14th-order filter.
Each second-order filter is configurable as lowpass, highpass, or bandpass with optional rectification.
Each PGA is programmable for a gain of 1 to 64 and includes an equaliser function to provide gain-versus-frequency characteristics for CW chirp radar.
The signal path of each ADC can be customised and configured individually.
Other features include an internal or external reference, power-saving modes and a two-stage, 12-bit DAC.
The integrated DAC provides the VCO control voltage to the RF mixer in the radar front end.
With its adjustable DAC output range, this control voltage can be matched to the VCO's input-voltage range.
Additionally, a scan mode allows the ADC's results to be read while simultaneously updating the DAC to increase communications efficiency.
The Max11043 operates from a 3V to 3.6V supply.
It is available in a 40-pin TQFN package and is fully specified over the -40C to +125C automotive temperature range.
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