MAX12557 Dual, 65Msps, 14-Bit, IF/Baseband ADC

The MAX12557 is a dual 3.3V, 14-bit Analog-to-digital converter (ADC) featuring fully differential wideband track-and-hold (T/H) inputs, driving internal quantizers. The MAX12557 is optimized for low power, small size, and high dynamic performance in intermediate frequency (IF) and baseband sampling applications. This dual ADC operates from a single 3.3V supply, consuming only 610mW while delivering a typical 72.5dB signal-to-noise ratio (SNR) performance at a 175MHz input frequency. The T/H input stages accept single-ended or differential inputs up to 400MHz. In addition to low operating power, the MAX12557 features a 166W powerdown mode to conserve power during idle periods.
A flexible reference structure allows the MAX12557 to use the internal 2.048V bandgap reference or accept an externally applied reference and allows the reference to be shared between the two ADCs The reference structure allows the full-scale Analog input range to be adjusted from 0.35V to 1.15V. The MAX12557 provides a common-mode reference to simplify design and reduce external component count in differential Analog input circuits.
The MAX12557 supports either a single-ended or differential input Clock User-selectable divide-by-two (DIV2) and divide-by-four (DIV4) modes allow for design flexibility and help eliminate the negative effects of Clock jitter. Wide variations in the Clock duty cycle are compensated with the ADC's internal duty-cycle equalizer (DCE).
The MAX12557 features two parallel, 14-bit-wide, CMOS-compatible outputs. The digital output format is pin-selectable to be either two's complement or Gray code. A separate power-supply input for the digital outputs accepts a 1.7V to 3.6V voltage for flexible interfacing with various Logic levels. The MAX12557 is available in a 10mm x 10mm x 0.8mm, 68-pin thin QFN package with exposed paddle (EP), and is specified for the extended (-40C to +85C) temperature range.
See a parametric table of the complete family of pin-compatible, 12-/14-bit high-speed ADCs
By Maxim Integrated Products
MAX12557 's PackagesMAX12557 's pdf datasheet
MAX12557ETKD QFN
MAX12557ETKTD QFN
MAX12557ETK-D QFN
MAX12557ETK-TD QFN




MAX12557 Pinout, Pinouts
MAX12557 pinout,Pin out
This is one package pinout of MAX12557,If you need more pinouts please download MAX12557's pdf datasheet.

MAX12557 Application circuits
MAX12557 circuits
This is one application circuit of MAX12557,If you need more circuits,please download MAX12557's pdf datasheet.


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