3B45 datasheet, PDF - EEWORLD Datasheet

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3B45: DescriptionIsolated Frequency Input; CategoryAnalog mixed-signal IC The signal circuit; File Size350KB，8 Pages; ManufacturerADI; Websitehttps://www.analog.com

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3B45 Overview

Isolated Frequency Input

3B45 Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	ADI
Parts packaging code	MODULE
package instruction	3.150 X 0.775 X 3.395 INCH, MODULE
Reach Compliance Code	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT
JESD-30 code	X-XXMA-X
Number of functions	1
Maximum operating temperature	85 °C
Minimum operating temperature	-25 °C
Package body material	UNSPECIFIED
Package shape	UNSPECIFIED
Package form	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Certification status	Not Qualified
Nominal supply voltage (Vsup)	24 V
surface mount	NO
Temperature level	OTHER
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED
Base Number Matches	1

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Isolated Frequency Input

3B45 / 3B46

FEATURES

Interfaces, isolates, & filters frequency inputs.

The 3B45 accepts full-scale inputs from 25 to 1100 Hz

The 3B46 accepts full-scale inputs from 520 Hz to 25 kHz.

Modules provide simultaneous precision voltage and

current outputs.

Modules circuitry can withstand 130v rms at the input screw-

terminals.

All 3B45 & 3B46 series modules are mix-and-match and Hot

Swappable.

Figure 1. 3B45 & 3B46 Functional Block Diagram

FUNCTIONAL BLOCK DIAGRAM

APPLICATIONS

Industrial signal conditioning

Industrial signal isolation

Industrial signal filtering

Output modules accept 0 to +10V (or +10V) single-ended

signals and provide an isolated 4-20 mA (or 0-20 mA) process

signal. All modules feature a universal pin-out and may be

readily hot-swapped under full power and interchanged without

disrupting field wiring.

The Analog Devices 3B Series Signal Conditioning Subsystem is

designed to easily handle signal conditioning problems in

measurement and control applications. Some typical uses are in

microcomputer-based data acquisition systems, programmable

controllers, analog recorders, dedicated control systems, and any

other applications where monitoring of temperature, pressure,

flow and analog signals are required. Since each input module

features two simultaneous outputs, the voltage output can be

used to provide an input to a microprocessor-based data

acquisition or control system while the current output can be

used for analog transmission, operator interface, or an analog

backup system.

Each input module is a single-channel signal conditioner which

plugs into a socket on the backplane and accepts its signal from

the input screw terminals. All input modules provide input

protection, amplification and filtering of the input signal,

accuracy of +0.1%, low drift of +1 uV/

C (low-level input

modules), and feature two high-level analog outputs that are

compatible with most process instrumentation. The isolated

input modules also provide +1500 V peak isolation.

The choice of a specific 3B module depends upon the type of

input signal. Input modules are available to accept millivolt, volt,

process current, thermocouple, RTD, AC and DC strain gage,

frequency and LVDT inputs. The voltage output of each module

is available from the system I/O connector while the current

output is available on the output screw terminals.

PRODUCT OVERVIEW

The 3B Series of Signal Conditioning I/o Subsystems provide a

low-cost, versatile method of transferring analog transducer

signals to a data acquisition, monitoring or control system

without the inherent noise, non-linearity, drift and extraneous

voltages. The modules are designed to directly accept analog

signals from Thermocouples, RTD’s, AC and DC Strain Gages,

Torque Transducers, Frequency Transducers, LVDTs, millivolt

or process current signals. The modules amplify, isolate,

linearize and convert the transducer output signals to

standardized analog inputs for high-level analog I/O

subsystems. The 3B Series Subsystem consists of a 10” relay

rack with universal mounting backplane and a family of plug-in

(up to 16 per rack) input and output signal conditioning

modules.

Eight and four channel backplanes are also available. Each

backplane incorporates screw terminals for sensor inputs and

current outputs and a 26-pin connector for high-level single-

ended voltage outputs to the user’s equipment.

The input modules feature complete signal conditioning

circuitry optimized for specific sensors or analog signals and

provide two simultaneous high-level analog outputs: 0 to +10V

(or +10V) and 4-20 mA (or 0-20 mA).

Rev. 0

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 rights of third parties that may result from its 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 and

registered trademarks are the property of their respective companies.

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

www.analog.com

Tel: 781.329.4700

Fax: 781.326.8703

3B45 Related Products

	3B45	3B46
Description	Isolated Frequency Input	Isolated Frequency Input
Is it lead-free?	Contains lead	Contains lead
Is it Rohs certified?	incompatible	incompatible
Maker	ADI	ADI
Parts packaging code	MODULE	MODULE
package instruction	3.150 X 0.775 X 3.395 INCH, MODULE	3.150 X 0.775 X 3.395 INCH, MODULE
Reach Compliance Code	compliant	compliant
Analog Integrated Circuits - Other Types	ANALOG CIRCUIT	ANALOG CIRCUIT
JESD-30 code	X-XXMA-X	X-XXMA-X
Number of functions	1	1
Maximum operating temperature	85 °C	85 °C
Minimum operating temperature	-25 °C	-25 °C
Package body material	UNSPECIFIED	UNSPECIFIED
Package shape	UNSPECIFIED	UNSPECIFIED
Package form	MICROELECTRONIC ASSEMBLY	MICROELECTRONIC ASSEMBLY
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	NOT SPECIFIED
Certification status	Not Qualified	Not Qualified
Nominal supply voltage (Vsup)	24 V	24 V
surface mount	NO	NO
Temperature level	OTHER	OTHER
Terminal form	UNSPECIFIED	UNSPECIFIED
Terminal location	UNSPECIFIED	UNSPECIFIED
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED
Base Number Matches	1	1

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