MAX1126

19-3143; Rev 1; 3/04 KIT ATION EVALU E L B AVAILA Quad, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs General Description Features ♦ Four ADC Channels with Serial LVDS/SLVS Outputs ♦ Excellent Dynamic Performance 69.9dB SNR at fIN = 5.3MHz 93.7dBc SFDR at fIN = 5.3MHz -90dB Channel Isolation ♦ Ultra-Low Power 135mW per Channel (Normal Operation) 1.5mW Total (Shutdown Mode) ♦ Accepts 20% to 80% Clock Duty Cycle ♦ Self-Aligning Data-Clock to Data-Output Interface ♦ Fully Differential Analog Inputs ♦ Wide ±1.4VP-P Differential Input Voltage Range ♦ Internal/External Reference Option ♦ Test Mode for Digital Signal Integrity ♦ LVDS Outputs Support Up to 30in FR-4 Backplane Connections ♦ Small, 68-Pin QFN with Exposed Paddle ♦ Evaluation Kit Available (MAX1127EVKIT) MAX1126 The MAX1126 quad, 12-bit analog-to-digital converter (ADC) features fully differential inputs, a pipelined architecture, and digital error correction. This ADC is optimized for low-power, high-dynamic performance for medical imaging, communications, and instrumentation applications. The MAX1126 operates from a 1.7V to 1.9V single supply and consumes only 563mW while delivering a 69.9dB signal-to-noise ratio (SNR) at a 5.3MHz input frequency. In addition to low operating power, the MAX1126 features an 813µA power-down mode for idle periods. An internal 1.24V precision bandgap reference sets the ADC’s full-scale range. A flexible reference structure allows the use of an external reference for applications ...