ADC has eight channels with low power dissipation

A wide input bandwidth in the LTC2320-16 allows the digitisation of input signals up to the Nyquist frequency of 750kHz. The ADC from Linear Technology also has a flexible analogue front end that accepts fully differential, unipolar or bipolar analogue input signals, as well as arbitrary input signals. It maintains an 82dB signal to noise ratio (SNR) and high common mode rejection ratio (CMRR) of 102dB, when sampling input signals up to the Nyquist frequency.

The 16bit 1.5Msample/s/channel, no latency successive approximation register (SAR) ADC has eight simultaneously sampling channels supporting a rail-to-rail input common mode range.

A precision bandgap reference with low drift and guaranteed 20ppm/degree C maximum temperature co-efficient are integrated into a small 55mm2 QFN-52 package, saving space in high density designs. Alternatively, the internal reference can be overdriven by up to four separate external references for each pair of two channels, to suit the input range of the application. The LTC2320-16 samples three times faster and offers the lowest power dissipation of any octal SAR ADC on the market, claims the company.

The LTC2320-16 joins a family of 16-, 14- and 12-bit SAR ADCs with single, dual, quad and octal options sampling at up to 5Msample/s/channel. It is available today in commercial, industrial and automotive (-40 to +125 degree C) temperature grades.   

The DC2395A evaluation board is also available.

http://www.linear.com/product/LTC2320-16

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