Voltage to Frequency Converters

Analog Devices has the widest range of voltage-to-frequency converters (VFCs) for the instrumentation, industrial, and automation markets. They are ideally suited for use in analog-to-digital conversion, long-term integration, linear frequency modulation and demodulation, and frequency-to-voltage conversion. ADI’s latest family of VFCs, the AD774x series, is based on Σ-Δ technology and provides high linearity in tiny packages at low cost.
Product Selection Table

Voltage to Frequency Converters

Voltage to Frequency Converters

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All Voltage-to-Frequency Converters copy

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SortOrderPart#Device Primary FunctionAnalog Input TypeVin Range (max)
(V p-p)
Output Frequency (max)
(Hz)
Clock Input (max)
(Hz)
Linearity (max)
(%)
Vref Internal (typ)
(V)
Vref External (max)
(V)
Isupply (typ)
(A)
Vsupply span (min)
(V)
Vsupply span (max)
(V)
Automotive RecommendedUS Price 1000 to 4999
($ US)
1AD7740 Synchronous Single-Ended 5.25 500k 1M 0.018 2.5 5.25 1.5m 3 5.25- $0.91
2AD7741 Synchronous Single-Ended 2.5 3.072M 6.144M 2 2.5- 8m 4.75 5.25- $2.21
3AD652 Synchronous Single-Ended 20 2.5M 5M 0.002 5 5.05 15m 12 30- $11.24
4AD654 Non-Synchronous Single-Ended 28 500k- 0.4-- 2.5m 10 36- $4.14
5ADVFC32 Non-Synchronous Single-Ended 10 500k- 0.2-- 8m 18 36- $7.27
6AD650 Non-Synchronous Single-Ended 11 1M- 0.1-- 8m 19 36- $8.42
7AD537 Non-Synchronous Single-Ended 22 150k- 0.07 1 1.05 2.5m 10 36- $11.80