ADVFC32KNZ

更新时间： 2024-11-05 13:02:47

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
6页	144K
描述
Low Cost Monolithic Voltage-to-Frequency (V/F) Converter

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ADVFC32KNZ 数据手册

Voltage-to-Frequency and

Frequency-to-Voltage Converter

ADVFC32

FEATURES

High Linearity

P IN CO NFIGURATIO N

(TO P VIEW)

؎0.01% m ax at 10 kHz FS

؎0.05% m ax at 100 kHz FS

؎0.2% m ax at 500 kHz FS

Output TTL/ CMOS Com patible

V/ F or F/ V Conversion

“ N” P ackage

6 Decade Dynam ic Range

Voltage or Current Input

Reliable Monolithic Construction

MIL-STD-883 Com pliant Versions Available

P RO D UCT D ESCRIP TIO N

T he 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 exter-

nal components. For F/V conversion, the same components are

used with a simple biasing network to accommodate a wide

range of input logic levels.

“ H ” P ackage – TO -100

T T L or CMOS compatibility is achieved in the V/F operating

mode using an open collector frequency output. T he pullup re-

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

or +5 V for conventional CMOS or T T L logic levels. T his 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 3ppm 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.

NC = NO CONNECT

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

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.

T he ADVFC32 is available in commercial, industrial, and ex-

tended temperature grades. T he commercial grade is packaged

in a 14-pin plastic DIP while the two wider temperature range

parts are packaged in hermetically sealed T O-100 cans.

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

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

work and reconfiguring the ADVFC32.

P RO D UCT H IGH LIGH TS

1. T he ADVFC32 uses a charge balancing circuit technique

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

accuracy voltage-to-frequency conversion. T he full-scale

operating frequency is determined by only one precision re-

sistor and capacitor. T he 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.

4. T he ADVFC32 is intended as a pin-for-pin replacement for

VFC32 devices from other manufacturers.

5. T he ADVFC32 is available in versions compliant with MIL-

ST D-883. Refer to the Analog Devices Military Products

Databook or current ADVFC32/883B data sheet for detailed

specifications.

REV. A

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6

中文翻译

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ADVFC32KNZ 替代型号

型号	品牌	替代类型	描述	数据表
VFC32KP	TI	类似代替	Voltage-to-Frequency and Frequency-to-Voltage CONVERTER
LM2907N/NOPB	TI	功能相似	Frequency to Voltage Converter for ground or supply referred load up to 50-mA 14-PDIP -40
TC9400CPD	MICROCHIP	功能相似	Voltage-to-Frequency/Frequency-to-Voltage Converters

与ADVFC32KNZ相关器件

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