Rainbow-electronics DS2890 Bedienungsanleitung PDF herunterladen (Seite 25)

DS2890

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ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Voltage on RH, RL, WIPER Relative to Ground -0.5V to +11.0V

Voltage on Other Pins Relative to Ground -0.5V to +6.0V

Operating Temperature -40

C to +85

Storage Temperature -55

C to +125

Soldering Temperature See J-STD-020A specification

* This is a stress rating only and functional operation of the device at these or any other conditions above

those indicated in the operation sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS -40°C £ T

£ +85°C

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

1-Wire Pull-Up Voltage V

PUP

2.8 6.0 V 1

2.8 6.0 V 1,2

Auxiliary Supply Voltage V

-0.3 0.8 V 1,3

Notes:

1. Voltages are referenced to ground

Range applicable when an auxiliary V

supply is used

Range applicable when an auxiliary V

supply is not used

POTENTIOMETER CHARACTERISTIC

2.8V £ V

PUP

£ 6.0V, -40°C £ T

£ +85°C

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Resistor Terminal Voltage -0.3 11.0 V 1

End-to-End Total Resistance 100

End-to-End Resistance Tolerance -25 25 % 2

Wiper Resistance: R

WIPER

Absolute Linearity

±0.6

LSB 4

Relative Linearity

±0.25

LSB 5

-3 dB cutoff frequency f

CUTOFF

100 kHz

Temperature Coefficient 800 ppm/

1 2 ... 20 21 22 23 24 25 26 27 28

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