3-V, 10-Bit, 40 MSPS Area CCD Analog Front End
The TLV990-40 is a complete CCD and Video signal processor/digitizer designed for digital still camera and Video camcorder applications. The TLV990-40 performs all the analog-processing functions necessary to maximize the dynamic range, corrects various errors associated with the CCD Sensor and then digitizes the results with an on-chip high-speed Analog-to-digital converter (ADC).
The key components of the TLV990-40 include: an input clamp circuit for CCD and Analog Video signals, a correlated double sampler (CDS), a programmable-gain Amplifier (PGA) with 0 to 36-dB gain range, two internal digital-to-analog converters (DAC) for Automatic or programmable optical black level and offset calibration, a 10-bit, 40-MSPS pipeline ADC a parallel data port for easy Microprocessor Interface a serial port for configuring internal control Registers two additional DACs for external system control, and internal reference voltages.
Designed in advanced CMOS process, the TLV990-40 operates from a single 3-V power supply with a normal power consumption of 200 mW at 40 MSPS, and 2 mW in power-down mode.
Its very high throughput rate, single 3-V operation, very low-power consumption, and fully-integrated Analog processing circuitry make the TLV990-40 an ideal CCD and Video signal-processing solution for electronic video-camcorder applications.
This device is available in a 48-pin TQFP packag bf2 e and is specified over a ?20C to 75C operating-temperature range.
By Texas Instruments
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