Rainbow-electronics MAX1338 Manual do Utilizador descarregar pdf (Página 10)

MAX1338

14-Bit, 4-Channel, Software-Programmable,

Multiranging, Simultaneous-Sampling ADC

10 ______________________________________________________________________________________

4.00

4.10

4.05

4.20

4.15

4.25

4.30

-40 10-15 35 60 85

STANDBY CURRENT

vs. TEMPERATURE

MAX1338 toc28

TEMPERATURE (°C)

(mA)

STANDBY = AV

4.8

5.0

5.4

5.2

5.6

5.8

4.75 4.954.85 5.05 5.15 5.25

CONVERSION TIME

vs. SUPPLY VOLTAGE

MAX1338 toc29

(V)

CONVERSION TIME (µs)

INTERNAL CLOCK

4.8

5.0

5.4

5.2

5.6

5.8

-40 10-15 35 60 85

CONVERSION TIME

vs. TEMPERATURE

MAX1338 toc30

TEMPERATURE (°C)

CONVERSION TIME (µs)

INTERNAL CLOCK

-4

-3

-2

-1

-17.0 -8.5 0 8.5 17.0

ANALOG INPUT CURRENT

vs. ANALOG INPUT VOLTAGE

MAX1338 toc31

INPUT VOLTAGE (V)

INPUT CURRENT (mA)

Typical Operating Characteristics (continued)

(AV

= DV

= +5.0V, DRV

= +3.0V, AGND = DGND = DRGND = 0, INTCLK/EXTCLK = AGND, f

CLK

= 5MHz, input range =

±10V, REFP2 = REFP1, REFN2 = REFN1, COM1 = COM2, 1.0nF from REFADC to AGND, 1.0µF and 0.1µF from COM1 to AGND,

0.1µF from REFP1 to AGND, 0.1µF from REFN1 to AGND, 1.0µF from REFP1 to REFN1.)

-40 10-15 35 60 85

SHUTDOWN CURRENT

vs. TEMPERATURE

MAX1338 toc26

TEMPERATURE (°C)

(µA)

SHDN = AV

4.00

4.10

4.05

4.20

4.15

4.25

4.30

4.75 4.954.85 5.05 5.15 5.25

STANDBY CURRENT

vs. SUPPLY VOLTAGE

MAX1338 toc27

(V)

(mA)

STANDBY = AV

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 23 24

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