
Philips Electronics
GENERAL DESCRIPTION
The TDA8787A is a 10-bit analog-to-digital interface for CCD cameras. The device includes a correlated double sampling circuit, a PGA, clamp loops and a low-power 10-bit ADC, together with its reference voltage regulator.
The PGA gain and the ADC input clamp level are controlled via the serial interface.
FEATURES
• Correlated Double Sampling (CDS), Programmable Gain Amplifier (PGA), 10-bit Analog-to-Digital Converter (ADC) and reference regulator included
• Fully programmable via a 3-wire serial interface
• Sampling frequency up to 25 MHz; (TDA8787AHL = 18 MHz; TDA8787AHL/S1 = 25 MHz)
• PGA gain range of 36 dB (in steps of 0.1 dB)
• Low power consumption of only 170 mW at 2.7 V
• Power consumption in standby mode of 4.5 mW (typical value)
• 3.0 V operation; 2.5 to 3.6 V operation for the digital outputs
• Active control pulses polarity selectable via serial interface
• 8-bit DAC included for analog settings
• TTL compatible inputs, CMOS compatible outputs.