Voltage to Frequency & Frequency to Voltage
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Supply Voltage - Max : | 40 V | Supply Voltage - Min : | 4 V | ||
Maximum Operating Temperature : | + 70 C | Minimum Operating Temperature : | 0 C | ||
Package / Case : | MDIP | Packaging : | Tube |
The LM331N is one member of the LM331 family,this family of voltage-to-frequency converters are ideally suited for use in simple low-cost circuits for analog-to-digital conversion,precision frequencyto-voltage conversion,long-term integration, linear frequency modulation or demodulation and many other functions. It utilizes a new temperaturecompensated band-gap reference circuit,to provide excellent accuracy over the full operating temperature range,at power supplies as low as 4.0V.The precision timer circuit has low bias currents without degrading the quick response necessary for 100 kHz voltage-to-frequency conversion.And the output is capable of driving 3 TTL loads,or a high voltage output up to 40V,yet is short-circuit-proof against VCC.
Features of the LM331N are:(1)improved performance in existing voltage-to-frequency conversion applications;(2)guaranteed linearity 0.01% max;(3)split or single supply operation;(4)operates on single 5V supply;(5)pulse output compatible with all logic forms;(6)excellent temperature stability,+/-50 ppm/ max;(7)low power dissipation,15 mW typical at 5V;(8)wide dynamic range,100 dB min at 10 kHz full scale frequency;(9)wide range of full scale frequency,1 Hz to 100 kHz;(10)low cost.
The absolute maximum ratings of the LM331N can be summarized as:(1)supply voltage:40 V;(2)output short circuit to ground:continuous;(3)output short circuit to Vcc:continuous;(4)input voltage:-0.2V to +Vs;(5)operating ambient temperature range:-55 to +125.If you want to know more information such as the electrical characteristics about the LM331N,please download the datasheet in www.seekic.com .