Rainbow-electronics MAX5812 Manual de usuario descargar pdf (Pagina 5)

MAX5812

12-Bit Low-Power, 2-Wire, Serial

Voltage-Output DAC

_______________________________________________________________________________________ 5

-0.4

-1.2

-0.8

-1.6

-2.0

-40

NO LOAD

10-15 35 60 85

GAIN ERROR vs. TEMPERATURE

MAX5812 toc10

TEMPERATURE (°C)

GAIN ERROR (%FSR)

010

DAC OUTPUT VOLTAGE

vs. OUTPUT SOURCE CURRENT (NOTE 6)

MAX5812 toc11

OUTPUT SOURCE CURRENT (mA)

DAC OUTPUT VOLTAGE (V)

4268

CODE = FFF hex

0.5

1.5

1.0

2.0

2.5

0426810

DAC OUTPUT VOLTAGE

vs. OUTPUT SINK CURRENT (NOTE 6)

MAX5812 toc12

OUTPUT SINK CURRENT (mA)

DAC OUTPUT VOLTAGE (V)

CODE = 400 hex

100

120

0 1638819 32762457 4096

SUPPLY CURRENT

vs. INPUT CODE

MAX5812 toc13

INPUT CODE

SUPPLY CURRENT (µA)

NO LOAD

100

-40 10-15 35 60 85

SUPPLY CURRENT

vs. TEMPERATURE

MAX5812 toc14

TEMPERATURE (°C)

SUPPLY CURRENT (µA)

NO LOAD

CODE = FFF hex

100

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5812 toc15

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (µA)

2.7 4.1 4.83.4 5.5

CODE = FFF hex

NO LOAD

100

300

200

400

500

POWER-DOWN SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5812 toc16

SUPPLY VOLTAGE (V)

POWER-DOWN SUPPLY CURRENT (nA)

2.7 4.13.4 4.8 5.5

OUT

= HIGH IMPEDANCE

NO LOAD

= +25°C

= -40°C

= +85°C

OUT

10mV/div

100µs/div

POWER-UP GLITCH

MAX5812 toc17

EXITING SHUTDOWN

MAX5812 toc18

500mV/divOUT

2µs/div

LOAD

= 200pF CODE = 800 hex

Typical Operating Characteristics (continued)

= +5V, R

= 5kΩ, T

= +25°C.)

Note 6: The ability to drive loads less than 5kΩ is not implied.

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

Voltage-Output DAC 1

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Rainbow-electronics MAX5812 Manual de usuario Pagina 5

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