Rainbow-electronics DS1804 Uživatelský manuál stáhnout pdf (Strana 5)

DS1804

5 of 7 102699

ANALOG RESISTOR CHARACTERISTICS (-40°C to +85°C;V

CC

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

End-to-End Resistor Tolerance

-20

+20

%

8

Absolute Linearity ±0.6

LSB

9

Relative Linearity ±0.25 LSB 10

-3 dB Cutoff Frequency f

cutoff

MHz 11

Temperature Coefficient 750

ppm/°C

CAPACITANCE (25°C; V

CC

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

IN

5pF12

Output Capacitance C

OUT

7pF12

AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V

CC

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

CS to INC Setup

t

CI

50 ns 13

U/ D to INC Setup

t

DI

100 ns 13

INC Low Period

t

IL

50 ns 13

INC High Period

t

IH

100 ns 13

INC inactive to CS Inactive

t

IC

500 ns 13

CS Deselect Time

t

CPH

100 ns 13

Wiper Change to INC Low

t

IW

200 ns 13

INC Rise and Fall Times

t

R

, t

F

500 µs 13

INC Low to CS Inactive

t

IK

50 ns 16

Wiper Storage Time t

WST

10 ms 13,17

1 2 3 4 5 6 7

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