TLV987

Digital Still Camera
Digital Camcorder
Digital Video Camera

Supply voltage range, AV_DD, DV_DD, DIV_DD . . . . . . . . . . . . . . . . . . . . .. . . . . .0.3 V to 6.5V
Analog input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.3 V to AVDD+0.3 V
Digital input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . .0.3 V to DVDD+0.3 V
Operating virtual junction temperature range, T_J . . . . . . . . . . . . . . . . . . . . .40°C to 150°C
Operating free-air temperature range, T_A . . . . . . . . . . . . . . . . . . .. . . . . . . . . . .0°C to 70°C
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65°C to 150°C
Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds  . . . . . . . . . . . . . . . . .260°C

The TLV987 is a highly integrated monolithic analog signal processor/digitizer designed to interface the area charge-coupled device (CCD) sensors in digital camera applications. The TLV987 performs all the analog processing functions necessary to maximize the dynamic range, corrects various errors associated with the CCD sensor, and then converts the results from analog to digital using the on-chip high-speed analog-to-digital converter (ADC). The key components of the TLV987 include input clamp circuitry, a correlated double sampler (CDS), and a programmable gain amplifier (PGA). The PGA has 0-dB to 36-dB gain range. In addition, the TLV987 has two internal digital-to-analog converters (DACs) for automatic or programmable optical black level and offset calibration. The TLV987 also has two additional DACs for external system control, and internal reference voltages. The TLV987 has a parallel data port for easy microprocessor interface and a serial port for configuring internal control registers.

Designed in advanced CMOS process, the TLV987 operates from a single 3-V power supply with a normal power consumption of 200 mW and a 2 mW power-down mode.

Very high throughput rate, single 3-V operation, low power consumption, and fully integrated analog processing circuitry make the TLV987 an ideal CCD sensor interfacing solution for digital camera applications.

The device is available in a 48-pin TQFP package and is characterized for operation over 0°C to 70°C operating free-air temperature range.