ADVFC32SH/883B Analog Devices Inc, ADVFC32SH/883B Datasheet

ADVFC32SH/883B

Manufacturer Part Number

ADVFC32SH/883B

Description

Manufacturer

Analog Devices Inc

Datasheet

1.ADVFC32SH883B.pdf (6 pages)

Specifications of ADVFC32SH/883B

Converter Function

VFC/FVC

Full Scale Frequency

500

Power Supply Requirement

Dual

Single Supply Voltage (typ)

Not RequiredV

Single Supply Voltage (max)

Not RequiredV

Single Supply Voltage (min)

Not RequiredV

Dual Supply Voltage (typ)

±15V

Dual Supply Voltage (min)

±9V

Dual Supply Voltage (max)

±18V

Operating Temperature (min)

-55

Operating Temperature (max)

125C

Operating Temperature Classification

Military

Package Type

TO-100

Lead Free Status / Rohs Status

Not Compliant

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PRODUCT DESCRIPTION

The industry standard ADVFC32 is a low cost monolithic

voltage-to-frequency (V/F) converter or frequency-to-voltage

(F/V) converter with good linearity (0.01% max error at 10 kHz)

and operating frequency up to 0.5 MHz. In the V/F configuration,

positive or negative input voltages or currents can be converted

to a proportional frequency using only a few external compo-

nents. For F/V conversion, the same components are used with

a simple biasing network to accommodate a wide range of input

logic levels.

TTL or CMOS compatibility is achieved in the V/F operating

mode using an open collector frequency output. The pull-up

resistor can be connected to voltages up to 30 volts, or to 15 V

or 5 V for conventional CMOS or TTL logic levels. This resis-

tor should be chosen to limit current through the open collector

output to 8 mA. A larger resistance can be used if driving a high

impedance load.

Input offset drift is only 3 ppm of full scale per °C, and full-

scale calibration drift is held to a maximum of 100 ppm/°C

(ADVFC32BH) due to a low T.C. Zener diode.

The ADVFC32 is available in commercial, industrial, and

extended temperature grades. The commercial grade is pack-

aged in a 14-lead plastic DIP while the two wider temperature

range parts are packaged in hermetically sealed 10-lead cans.

PRODUCT HIGHLIGHTS

1. The ADVFC32 uses a charge balancing circuit technique

(see Functional Block Diagram) which is well suited to high

accuracy voltage-to-frequency conversion. The full-scale

operating frequency is determined by only one precision

resistor and capacitor. The tolerance of other support compo-

nents (including the integration capacitor) is not critical.

Inexpensive ± 20% resistors and capacitors can be used with-

out affecting linearity or temperature drift.

Frequency-to-Voltage Converter

2. The ADVFC32 is easily configured to satisfy a wide range of

3. The same components used for V/F conversion can also be

4. The ADVFC32 is intended as a pin-for-pin replacement for

5. The ADVFC32 is available in versions compliant with MIL-

system requirements. Input voltage scaling is set by selecting

the input resistor which sets the input current to 0.25 mA at

the maximum input voltage.

used for F/V conversion by adding a simple logic biasing

network and reconfiguring the ADVFC32.

VFC32 devices from other manufacturers.

STD-883. Refer to the Analog Devices Military Products

Databook or current ADVFC32/883B data sheet for detailed

specifications.

Voltage-to-Frequency and

PIN CONFIGURATION

H-10A Package

N-14 Package

(TOP VIEW)

ADVFC32

Related parts for ADVFC32SH/883B

ADVFC32SH/883B Summary of contents

Page 1

PRODUCT DESCRIPTION The industry standard ADVFC32 is a low cost monolithic voltage-to-frequency (V/F) converter or frequency-to-voltage (F/V) converter with good linearity (0.01% max error at 10 kHz) and operating frequency up to 0.5 MHz. In the V/F configuration, positive ...

Page 2

ADVFC32–SPECIFICATIONS Model Min DYNAMIC PERFORMANCE Full-Scale Frequency Range 0 1 Nonlinearity kHz –0.01 MAX f = 100 kHz –0.05 MAX f = 0.5 MHz –0.20 MAX Full-Scale Calibration Error (Adjustable to Zero) vs. Supply (Full-Scale Frequency = ...

Page 3

UNIPOLAR V/F, POSITIVE INPUT VOLTAGE When operated as a V/F converter, the transformation from voltage to frequency is based on a comparison of input signal magnitude to the 1 mA internal current source. A more complete understanding of the ADVFC32 ...

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ADVFC32SH/883B Analog Devices Inc, ADVFC32SH/883B Datasheet

ADVFC32SH/883B

Specifications of ADVFC32SH/883B

Available stocks

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ADVFC32SH/883B Summary of contents

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