AD650JPZ

更新时间： 2024-11-29 12:52:55

品牌	Logo	应用领域
亚德诺 - ADI		转换器模拟特殊功能转换器 PC
页数	文件大小	规格书
20页	392K
描述
Voltage-to-Frequency and Frequency-to-Voltage Converter

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AD650JPZ 数据手册

Voltage-to-Frequency and

Frequency-to-Voltage Converter

Data Sheet

AD650

FEATURES

FUNCTIONAL BLOCK DIAGRAM

V/F conversion to 1 MHz

Reliable monolithic construction

Very low nonlinearity

AD650

OFFSET

OUT

+IN

NULL

INPUT

OFFSET

TRIM

OFFSET

NULL

AMP

0.002% typ at 10 kHz

0.005% typ at 100 kHz

0.07% typ at 1 MHz

–IN

BIPOLAR

OFFSET

CURRENT

ANALOG

GND

1mA

Input offset trimmable to zero

CMOS- or TTL-compatible

Unipolar, bipolar, or differential V/F

V/F or F/V conversion

Available in surface mount

MIL-STD-883 compliant versions available

–V

–0.6V

DIGITAL

GND

–V

OUT

–V

ONE

SHOT

CAPACITOR

FREQ

ONE

SHOT

COMPARATOR

INPUT

OUT

COMP

OUTPUT

NC = NO CONNECT

Figure 1.

PRODUCT DESCRIPTION

The AD650 V/F/V (voltage-to-frequency or frequency-to-voltage

converter) provides a combination of high frequency operation

and low nonlinearity previously unavailable in monolithic form.

The inherent monotonicity of the V/F transfer function makes

the AD650 useful as a high-resolution analog-to-digital converter.

A flexible input configuration allows a wide variety of input

voltage and current formats to be used, and an open-collector

output with separate digital ground allows simple interfacing to

either standard logic families or opto-couplers.

The AD650JN and AD650KN are offered in plastic 14-lead DIP

packages. The AD650JP is available in a 20-lead plastic leaded

chip carrier (PLCC). Both plastic packaged versions of the

AD650 are specified for the commercial temperature range

(0°C to 70°C). For industrial temperature range (−25°C to

+85°C) applications, the AD650AD and AD650BD are offered

in ceramic packages. The AD650SD is specified for the full

−55°C to +125°C extended temperature range.

PRODUCT HIGHLIGHTS

The linearity error of the AD650 is typically 20 ppm (0.002% of

full scale) and 50 ppm (0.005%) maximum at 10 kHz full scale.

This corresponds to approximately 14-bit linearity in an analog-

to-digital converter circuit. Higher full-scale frequencies or

longer count intervals can be used for higher resolution

conversions. The AD650 has a useful dynamic range of six

decades allowing extremely high resolution measurements.

Even at 1 MHz full scale, linearity is guaranteed less than

1000 ppm (0.1%) on the AD650KN, BD, and SD grades.

1. Can operate at full-scale output frequencies up to 1 MHz

(in addition to having very high linearity).

2. Can be configured to accommodate bipolar, unipolar, or

differential input voltages, or unipolar input currents.

3. TTL or CMOS compatibility is achieved by using an open

collector frequency output. The pull-up resistor can be

connected to voltages up to 30 V.

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

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

network and reconfiguring the AD650.

In addition to analog-to-digital conversion, the AD650 can be

used in isolated analog signal transmission applications,

phased-locked loop circuits, and precision stepper motor speed

controllers. In the F/V mode, the AD650 can be used in

precision tachometer and FM demodulator circuits.

5. Separate analog and digital grounds prevent ground loops

in real-world applications.

The input signal range and full-scale output frequency are user-

programmable with two external capacitors and one resistor.

Input offset voltage can be trimmed to zero with an external

potentiometer.

6. Available in versions compliant with MIL-STD-883.

Rev. E

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

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

Tel: 781.329.4700

Technical Support

www.analog.com

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AD650JPZ 替代型号

型号	品牌	替代类型	描述	数据表
AD652KPZ-REEL	ADI	类似代替	Monolithic Synchronous Voltage-to-Frequency Converter
AD652JPZ	ADI	类似代替	Monolithic Synchronous Voltage-to-Frequency Converter

与AD650JPZ相关器件

型号	品牌	获取价格	描述	数据表
AD650K	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD650KN	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD650KNZ	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD650KP	ETC	获取价格	Converter
AD650S	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD650SD	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD650SD/883B	ETC	获取价格	Voltage-to-Frequency Converter
AD650SD-883B	ADI	获取价格	Voltage-to-Frequency and Frequency-to-Voltage Converter
AD651AQ	ROCHESTER	获取价格	VOLTAGE-FREQUENCY CONVERTER, 4MHz, CDIP16, CERDIP-16
AD651BQ	ADI	获取价格	IC VOLTAGE-FREQUENCY CONVERTER, 4 MHz, CDIP16, CERDIP-16, Analog Special Function Converte

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