Rainbow-electronics MAX5547 Manual de usuario descargar pdf (Pagina 7)

MAX5547

Dual, 10-Bit, Current-Sink Output DAC

_______________________________________________________________________________________ 7

Typical Operating Characteristics (continued)

= +3.0V, GND = 0, external reference = +2.5V, T

= +25°C, unless otherwise noted.)

1.00µs/div

SETTLING TIME

(FULL-SCALE NEGATIVE STEP)

OUT

= 3.6mA)

MAX5547 toc22

OUT_

500mV/div

SCLK

2V/div

GND

PULLUP

= 3V,

OUT

= 500Ω,

OUT

= 10pF

1.00

µs/div

SETTLING TIME

(HALF-SCALE POSITIVE STEP)

OUT

= 1.2mA)

MAX5547 toc23

OUT_

200mV/div

SCLK

2V/div

GND

PULLUP

= 3V, R

OUT

= 500Ω,

OUT

= 10pF, CODE = 0.25 x FS TO 0.75 x FS

1.00

µs/div

SETTLING TIME

(HALF-SCALE NEGATIVE STEP)

OUT

= 1.2mA)

MAX5547 toc24

OUT_

200mV/div

SCLK

2V/div

GND

PULLUP

= 3V, R

OUT

= 500Ω, C

OUT

= 10pF,

CODE = 0.75 x FS TO 0.25 x FS

100

µs/div

INTERNAL REFERENCE

POWER-UP

MAX5547 toc25

REF

1V/div

SCLK

2V/div

GND

REF

= 1µF

GND

-0.5

-0.2

-0.3

-0.4

-0.1

0.1

0.2

0.3

0.4

0.5

-40 10-15 35 60 85

SUPPLY FEEDTHROUGH

vs. TEMPERATURE

MAX5547 toc26

TEMPERATURE (°C)

SUPPLY FEEDTHROUGH (LSB/V)

TWO TYPICAL PARTS, I

= 1.2mA, V

= 5V,

100mV, 1kHz SIGNAL ADDED TO V

10µs/div

GLITCH IMPULSE

(MAJOR CARRY TRANSITION)

OUT

= 3.6mA)

MAX5547 toc27

OUT_

AC-COUPLED

2mV/div

PULLUP

= 3V,

OUT

= 500Ω,

OUT

= 100pF,

CODE = 1FFh TO 200h

1.00s/div

INTERNAL REFERENCE NOISE

(0.1Hz TO 10Hz)

MAX5547 toc28

REF

20µV/div

1.00s/div

OUTPUT NOISE

(0.1Hz TO 10Hz)

MAX5547 toc29

OUT_

50µV/div

500Ω TO 3V

3.6mA RANGE

CODE = 3FFh

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

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Rainbow-electronics MAX5547 Manual de usuario Pagina 7

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