Rainbow-electronics MAX5550 Manual do Utilizador descarregar pdf (Página 7)

MAX5550

Dual, 10-Bit, Programmable, 30mA

High-Output-Current DAC

_______________________________________________________________________________________ 7

Typical Operating Characteristics (continued)

= +3.0V, GND = 0, V

REFIN

= +1.25V, internal reference, R

FSADJ_

= 20kΩ, T

= +25°C. unless otherwise noted).

SUPPLY CURRENT

vs. DIGITAL INPUT VOLTAGE

DIGITAL INPUT VOLTAGE (V)

SUPPLY CURRENT (mA)

MAX5550 toc19

012345

NO LOAD, CODE = 0x00

= 5V

= 3V

2.80

2.75

2.70

2.65

2.60

2.5 4.03.0 3.5 4.5 5.0 5.5

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5550 toc15

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

NO LOAD, CODE = 0x00

INTERNAL REFERENCE

EXTERNAL REFERENCE

2.730

2.740

2.735

2.750

2.745

2.755

2.760

-40 10-15 35 60 85

SUPPLY CURRENT

vs. TEMPERATURE

MAX5550 toc16

TEMPERATURE (

SUPPLY CURRENT (mA)

NO LOAD, CODE = 0x00

= 5V

= 3V

WAKE-UP TIME

MAX5550 toc17

OUT_

1V/div

400µs/div

2V/div

LOAD

= 65Ω

LOAD

= 24pF

OUT

vs. V

OUT

(V)

OUT

(mA)

MAX5550 toc18

012345

= 3V

= 5V

DIGITAL FEEDTHROUGH

MAX5550 toc20

OUT_

AC-COUPLED

10mV/div

400µs/div

SCLK

2V/div

LOAD

= 65Ω

LOAD

= 24pF

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

High-Output-Current DAC 1

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