OPT301M HVAC Temperature Sensors Light To Frequency & Light To Voltage Integr Photodiode and Amp
OPT301M HVAC Temperature Sensors Light To Frequency & Light To Voltage Integr Photodiode and Amp
FEATURES
● PHOTODIODE SIZE: 0.090 x 0.090 inch (2.29 x 2.29mm)
● 1MΩ FEEDBACK RESISTOR
● HIGH RESPONSIVITY: 0.47A/W (650nm)
● IMPROVED UV RESPONSE
● LOW DARK ERRORS: 2mV
● BANDWIDTH: 4kHz
● WIDE SUPPLY RANGE: ±2.25 to ±18V
● LOW QUIESCENT CURRENT: 400μA
● HERMETIC TO-99
APPLICATIONS
● MEDICAL INSTRUMENTATION
● LABORATORY INSTRUMENTATION
● POSITION AND PROXIMITY SENSORS
● PHOTOGRAPHIC ANALYZERS
● SMOKE DETECTORS
DESCRIPTION
The OPT301 is an opto-electronic integrated circuit containing a photodiode and transimpedance amplifier on a single dielectrically isolated chip. The transimpedance amplifier consists of a precision FET- input op amp and an on-chip metal film resistor. The 0.09 x 0.09 inch photodiode is operated at zero bias for excellent linearity and low dark current.
The integrated combination of photodiode and transimpedance amplifier on a single chip eliminates the problems commonly encountered in discrete de- signs such as leakage current errors, noise pick-up and gain peaking due to stray capacitance.
The OPT301 operates over a wide supply range (±2.25 to ±18V) and supply current is only 400μA. It is packaged in a hermetic TO-99 metal package with a glass window, and is specified for the –40°C to 85°C temperature range.
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