Rainbow-electronics DS1803 Manuel d'utilisateur télécharger pdf (Page 7)

DS1803

7 of 11

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

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

End-to-End Resistor Tolerance -20 +20 % 17

Absolute Linearity ±0.75

LSB

Relative Linearity ±0.3

LSB

-3 dB Cutoff Frequency f

CUTOFF

Hz 11

Temperature Coefficient 750 ppm/C

Capacitance C

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

=2.7V to 5.5V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

SCL Clock Frequency f

SCI

400

100

kHz

Bus Free Time Between

STOP and START Condition

BUF

1.3

4.7

µs

Hold Time (Repeated)

START Condition

HD;STA

0.6

4.0

µs

Low Period of SCL Clock t

LOW

1.3

4.7

µs

High Period of SCL Clock t

HIGH

0.6

4.0

µs

Data Hold Time t

HD;DAT

0.9

µs

6,7

Data Setup Time t

HD;DAT

100

250

Rise Time of both SDA and

SCL Signals

20+1C

300

1000

ns 9

Fall Time of both SDA and

SCL Signals

20+1C

300

ns 9

Setup Time for STOP

Condition

SU;STO

0.6

4.0

µs

Capacitive Load for each Bus

Line

400

NOTES:

1. All voltages are referenced to ground.

2. I/O pins of fast mode devices must not obstruct the SDA and SCL lines if V

is switched off.

3. I

specified with SDA pin open SCL = 400 kHz clock rate.

4. I

specified with V

at 5.0V and SDA, SCL = 5.0V, -40°C to +85°C.

1 2 3 4 5 6 7 8 9 10 11

Commentaires sur ces manuels

Pas de commentaire

Rainbow-electronics DS1803 Manuel d'utilisateur Page 7

Commentaires sur ces manuels

Produits connexes et manuels pour Matériel informatique Rainbow-electronics DS1803