General Description

The MAX1185 is a 3V, dual 10-bit analog-to-digital converter (ADC) featuring fully-differential wideband trackand-hold (T/H) inputs, driving two pipelined, nine-stage ADCs. The MAX1185 is optimized for low-power, high dynamic performance applications in imaging, instrumentation, and digital communication applications.

Features

♦ Single 3V Operation

♦ Excellent Dynamic Performance: 59.5dB SNR at fIN = 7.5MHz 74dB SFDR at fIN = 7.5MHz

♦ Low Power: 35mA (Normal Operation) 2.8mA (Sleep Mode) 1µA (Shutdown Mode)

♦ 0.02dB Gain and 0.25° Phase Matching

♦ Wide ±1Vp-p Differential Analog Input Voltage Range

♦ 400MHz, -3dB Input Bandwidth

♦ On-Chip 2.048V Precision Bandgap Reference

♦ Single 10-Bit Bus for Multiplexed, Digital Outputs

♦ User-Selectable Output Format—Two’s Complement or Offset Binary

♦ 48-Pin TQFP Package with Exposed Pad for Improved Thermal Dissipation

Applications

    High Resolution Imaging

    I/Q Channel Digitization

    Multichannel IF Sampling

    Instrumentation

    Video Application

    Ultrasound