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3B45_15 Datasheet, PDF (3/8 Pages) Analog Devices – Isolated Frequency Input
3B45 and 3B46 Models Available
Model
3B45-00
Input Range
Externally Programmable2
3B45-01
0 Hz to 25 Hz
3B45-02
0 Hz to 300 Hz
3B45-Custom
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Model
3B46-00
Input Range
Externally Programmable2
3B46-01
0 kHz to 1.5 kHz
3B46-02
0 kHz to 3 kHz
3B46-03
0 kHz to 25 kHz
3B46-Custom
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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
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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)
Description
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 kΩ)
Current (RL + 0 to 850 Ω)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
Accuracy2
Initial @ +25°C
±0.1% Span
Nonlinearity
±0.02% Span
Stability vs. Temperature
Voltage Output
Output Zero
±500 µV/°C
Span
Current Output3
±50 ppm of Reading/°C
Zero
±25 ppm of Span/°C
Span
Zero and Span Adjustment Range4
±25 ppm of Reading/°C
±5% of Span
Input Bias Current
+3 nA
Input Resistance
Small Signal, Vin < 4 V pk-pk
15 MΩ
Rev. 0 | Page 3 of 8
Model 3B46
Refer to Model Table
520 Hz span, min : 25 kHz span, max.
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