LM98722

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM98722 SNAS487B – SEPTEMBER 2009 – REVISED MARCH 2015 LM98722 3 Channel, 16-Bit, 45 MSPS Analog Front End with LVDS/CMOS Output, Integrated CCD/CIS Sensor Timing Generator, and Spread Spectrum Clock Generation 1 Features 1 LVDS/CMOS Outputs LVDS/CMOS/Crystal Clock Source with PLL Multiplication Integrated Flexible Spread Spectrum Clock Generation CDS or S/H Processing for CCD or CIS sensors Independent Gain/Offset Correction for Each Channel Automatic per-Channel Gain and Offset Calibration Programmable Input Clamp Voltage Flexible CCD/CIS Sensor Timing Generator 2 Applications Multi-Function Peripherals High-speed Currency/Check Scanners Flatbed or Handheld Color Scanners High-speed Document Scanners Key Specifications: – Maximum Input Level: – 1.2-V or 2.4-V Modes (Both with + or Polarity Option) – ADC Resolution: 16-Bit – ADC Sampling Rate: 45 MSPS – INL: +18/-25 LSB (typ) – Channel Sampling Rate: 22.5/22.5/15 MSPS (1ch/2ch/3ch) – PGA Gain Steps: 256 Steps – PGA Gain Range: 0.64 to 8.3x – Analog DAC Resolution: +/-9 Bits – Analog DAC Range: +/-307 mV or +/-614 mV – Digital DAC Resolution: +/-6 Bits – Digital DAC Range: -2048 LSB to + 2016 LSB – SNR: -74dB (at 0dB PGA Gain) – Power Dissipation: 630 mW (LVDS) – Operating Temp: 0 to 70°C – Supply Voltage: 3.3-V Nominal (3.0-V to 3.6-V Range) 3 Description The LM98722 is a fully integrated, high performance 16-...