7B33 データシートの表示（PDF） - Analog Devices

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7B33

Isolated, Voltage or Current Input

Analog Devices 

7B33

Input Transient Protection

Output Resistance

Voltage Output Protection

Voltage Range, Operating

Current

DSensitivity

Mechanical Dimensions

Weight

Temperature Range

Operating

Storage

Relative Humidity, 24 hours

ESD Sensitivity

RFI Susceptibility

ANSI/IEEE C376.90.1-1989

IEEE-STD 472

IEC 255-4, Class II

<1Ω

Continuous Short to Ground

Power Supply

+14 V dc to +35 V dc

+20 mA, maximum

±0.0001%/% of Vs

1.663" x 2.11" x 0.563"

(42.24 mm x 53.6 mm x 14.3 mm)

60 grams

Environmental

-40°C to +85°C

-40°C to +85°C

0 to 90% @ +60°C non-condensing

IEC 801-2, Level 2

±0.5% Span error @ 400 MHz, 5 Watt, 3 ft

Warm-up time required to meet specifications is approximately 10 minutes.

* Contact factory for OEM requirements.

1Model 7B33 may be used to measure a process current input by installing a 250 Ω current sensing resistor, such as Model AC1391, on the backplane. With this resistor, the current

loop is maintained even when the 7B33 module is removed from the backplane.

2Includes the combined effects of repeatability, hysteresis, and nonlinearity.

3Nonlinearity is calculated using best-fit straight line method.

4 Input offset term is included in the output offset specification.

Specifications subject to change without notice.

Rev. 0 | Page 4 of 8

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