3B46 の電気的特性と機能

3B46のメーカーはAnalog Devicesです、この部品の機能は「(3B45 / 3B46) Isolated Frequency Input」です。

製品の詳細 ( Datasheet PDF )

部品番号 3B46
部品説明 (3B45 / 3B46) Isolated Frequency Input
メーカ Analog Devices
ロゴ Analog Devices ロゴ 


Total 8 pages

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3B46 Datasheet, 3B46 PDF,ピン配置, 機能
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-
All 3B45 & 3B46 series modules are mix-and-match and Hot
Industrial signal conditioning
Industrial signal isolation
Industrial signal filtering
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
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.
Isolated Frequency Input
3B45 / 3B46
Figure 1. 3B45 & 3B46 Functional Block Diagram
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/ oC (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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.

1 Page

3B46 pdf, ピン配列
3B45 and 3B46 Models Available
Input Range
Externally Programmable2
0 Hz to 25 Hz
0 Hz to 300 Hz
Input Range
Externally Programmable2
0 kHz to 1.5 kHz
0 kHz to 3 kHz
0 kHz to 25 kHz
1 Output current range may be user programmed to 4 mA to 20 mA using jumper supplied.
2 Requires AC1310 ranging card.
* Custom Input/Output ranges are available. Refer to configuration guide.
3B45 / 3B46
Output Ranges1
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
Output Ranges1
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
0 V to +10 V & 0 mA to 20 mA
Step Response
1.6 sec
0.6 sec
Step Response
0.07 sec
0.03 sec
0.03 sec
3B45 and 3B46 Specifications
(typical @ +25°C and ±15 V dc, and +24 V dc Power)
Model 3B45
Input Ranges
Standard Ranges
Refer to Model Table
Custom Ranges
25 Hz span, min : 1100 Hz span, max.
Output Ranges
Voltage (RL > 2 k)
Current (RL + 0 to 850 )1
0 V to +10 V
4 mA to 20 mA or 0 mA to 20 mA
Maximum Current Output Span
0 mA to 31 mA
Initial @ +25°C
±0.1% Span
±0.02% Span
Stability vs. Temperature
Voltage Output
Output Zero
±500 µV/°C
±50 ppm of Reading/°C
Current Output3
±25 ppm of Span/°C
±25 ppm of Reading/°C
Zero and Span Adjustment Range4
±5% of Span
Input Bias Current
+3 nA
Input Resistance
Small Signal, Vin < 4 V pk-pk
15 M
Model 3B46
Refer to Model Table
520 Hz span, min : 25 kHz span, max.
Rev. 0 | Page 3 of 8


3B46 電子部品, 半導体
3B45 / 3B46
Figure 5. Outline Dimensions
Rev. 0 | Page 6 of 8

6 Page

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[ 3B46 データシート.PDF ]

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