Document
LM9810/20 10/12-Bit Image Sensor Processor Analog Front End
October 2000
LM9810/LM9820 10/12-Bit Image Sensor Processor Analog Front End
General Description
The LM9810 and LM9820 are high performance Analog Front Ends (AFEs) for image sensor processing systems. The LM9810/20 performs all the analog and mixed signal functions (correlated double sampling, color specific gain and offset correction, and analog to digital conversion) necessary to digitize the output of a wide variety of CIS and CCD sensors. The LM9810 has a 10-bit 6 MHz ADC, and the LM9820 has a 12-bit 6 MHz ADC. The LM9810 and LM9820 are pin-for-pin and functionally compatible.
Key Specifications
n Output Data Resolution n Pixel Conversion Rate n Supply Voltage n Power Dissipation
10/12 Bits 6 MHz
5V ±5% 300 mW
Features
n 6 million pixels/s conversion rate n Digitally programmed gain and offset for red, green and
blue pixels n Correlated Double Sampling for lowest noise n TTL/CMOS input/output compatible
Application.