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The channel consists of an input clamp, Correlated Double Sampler (CDS), offset DAC and Programmable Gain Amplifier (PGA) and a high performance 16-bit A/D converter. The CDS amplifiers may be disabled for use with sensors such as Contact Image Sensors (CIS) and CMOS active pixel sensors, which do not require CDS. The 16-bit digital output is available in 4-bit wide multiplexed format. The internal registers are programmed through a 4-wire serial interface, which provides gain, offset and operating mode adjustments. The HT82V42 operates from a single 3.3V power supply and typically consumes 188mW of power.

Features

• 3.3V single power supply

• Low power consumption: 188mW (Typ.)

• Power-down mode: 300uA (Typ.)

• 16-bit 15 MSPS A/D converter

• Guaranteed won't miss codes

• 8-bit programmable gain

• Correlated Double Sampling

• ±315mV 8-bit programmable offset

• Programmable clamp voltage

• Internal voltage reference

• Programmable 4-wire serial interface

• 4-bit multiplexed nibble mode

• 20-pin SSOP package