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| 20th November 2008
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LM331N Precision voltage-to-frequency converter
LM331N Precision voltage-to-frequency converter
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The LM331N voltage-to-frequency converter is ideally suited for use in simple low-cost circuits for A-to-D conversion, precision frequency-to-voltage conversion, long term integration, linear frequency modulation/demodulation etc. When used as a voltage-to-frequency converter, the output is a pulse train at a frequency precisely proportional to to the applied input voltage.
Temperature compensated band-gap reference circuit
Excellent accuracy over the operating temperature range
Output is capable of driving three TTL loads
Supplied in DIL-8 package
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Exc. Vat
Inc. Vat
Unit of Sale
Each (1)
Description
Order Code
1+
10+
100+
250+
Qty
LM331N VOLTAGE-TO-FREQUENCY CONVERTER RC
82-5028
1.50
1.30
1.20
0.95
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Technical Specification
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Supply voltage
40V max
Supply current
4mA
VFC non-linearity
±0.003%
Conversion accuracy scale factor
1kHz/V
Temperature stability of gain
±30ppm/°C
Rated full scale frequency
10kHz
Reference voltage
1.70V
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