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

Manufacturer: Maxim Integrated (now Analog Devices)

MAX12557 dual 65msps 14-bit if/baseband adc by Maxim Integrated (now Analog Devices) - Datasheet Preview

Datasheet Details

Part number	MAX12557
Manufacturer	Maxim Integrated (now Analog Devices)
File Size	944.19 KB
Description	Dual 65Msps 14-Bit IF/Baseband ADC
Download	MAX12557 Download (PDF)

General Description

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-tonoise ratio (SNR) performance at a 175MHz input frequency.

Overview

19-3544; Rev 0; 2/05 KIT ATION EVALU E L B A AVAIL www.DataSheet4U.

Key Features

a 166µW 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 circuit.

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