TSL1401R

t TSL1401R 128 × 1 LINEAR SENSOR ARRAY WITH HOLD t TAOS035B – AUGUST 2002 D D D D D D D D D D D 128 × 1 Sensor-Element Organization 400 Dots-Per-Inch (DPI) Sensor Pitch High Linearity and Uniformity Wide Dynamic Range . . . 4000:1 (72 dB) Output Referenced to Ground Low Image Lag . . . 0.5% Typ Operation to 8 MHz Single 3-V to 5-V Supply Rail-to-Rail Output Swing (AO) No External Load Resistor Required Replacement for TSL1401 DIP PACKAGE (TOP VIEW) SI 1 CLK 2 AO 3 VDD 4 8 NC 7 GND 6 GND 5 NC NC – No internal connection Description The TSL1401R linear sensor array consists of a 128 × 1 array of photodiodes, associated charge amplifier circuitry, and an internal pixel data-hold function that provides simultaneous-integration start and stop times for all pixels. The pixels measure 63.5 µm (H) by 55.5 µm (W) with 63.5-µm center-to-center spacing and 8-µm spacing between pixels. Operation is simplified by internal control logic that requires only a serial-input (SI) signal and a clock. Functional Block Diagram Pixel 1 Integrator Reset Pixel 2 Pixel 3 Pixel 128 Analog Bus Output Buffer Sample/ Output 3 AO 4 VDD _ + 6, 7 GND Switch Control Logic Hold Q1 Q2 Q3 Q128 Gain Trim CLK SI 2 1 128-Bit Shift Register The LUMENOLOGY r Company t Copyright E 2002, TAOS Inc. Texas Advanced Optoelectronic Solutions Inc. 800 Jupiter Road, Suite 205 S Plano, TX 75074 S (972) t 673-0759 www.taosinc.com 1 TSL1401R 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS035B – AUGUST 2002 ...