Optical Sensing Solutions Including Photoconductive & Photovoltaic from National Semiconductor Home->Applications / Solutions->Sensing & Detection Solutions

Optical Sensing Solutions

National provides solutions for both photoconductive and photovoltaic optical sensing applications.

Photoconductive configuration – Faster response
Photovoltaic configuration – More linear, no leakage current, voltage proportional to light

Photoconductive Optical Sensing

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Op Amp	ADC	Starting Accuracy (ADC Accuracy)
LMP7721 LMP7701 LMV851 LMP7715 LMV841	ADC101SXX1 / ADC101C021 ADC101C027	±0.10%
LMP7721 LMP7701 LMV851 LMP7715 LMV841	ADC121SXX1 / ADC121C021 ADC121C027	±0.024%

Photovoltaic Optical Sensing

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Op Amp	ADC	Starting Accuracy (ADC Accuracy)
LMP7721 LMP7701 LMV851 LMP7715 LMV841	ADC101SXX1 / ADC101C021 ADC101C027	±0.10%
LMP7721 LMP7701 LMV851 LMP7715 LMV841	ADC121SXX1/ ADC121C021 ADC121C027	±0.024%

Industrial Applications

Distance detection
Postion detection

PC/PC Related

High-end printers
Multi-function printers
Monitor color calibration

Consumer

LCD TV – screen brightness
Laser rangefinders
ATMs
Check scanners
Gas sensors

Medical

Oxygen concentration

WHAT'S NEW

Sensing & Detection Solutions

Products

ADC121C021

ADC101C021

ADC081C021
I2C-Compatible, 12/10/8-Bit Analog-to-Digital Converter with Alert Pin
LMP8602

LMP8603
60V Common Mode, 50/100 x Gain, Bidirectional Precision Current Sensing Amplifier
LM57
Resistor-Programmable Temperature Switch and Analog Temperature Sensor
LPV521
Nanopower, 1.8V, RRIO, CMOS Input, Operational Amplifier
ADC161S626
16-Bit, 50 to 250 kSPS, Differential Input, MicroPower ADC
LM(2)557x SIMPLE SWITCHER® Buck Regulator Series Input Voltage Range Up to 75V
Low power ADC, low power DAC, amplifiers, and temperature sensors featured sites.

Evaluation Boards

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