Rainbow-electronics MAX5190 Manual do Utilizador descarregar pdf (Página 5)

MAX5187/MAX5190

8-Bit, 40MHz, Current/Voltage-Output DACs

_______________________________________________________________________________________ 5

0.13

0.11

0.07

0.05

0.09

0.03

-40 35-15 10 60 85

SHUTDOWN CURRENT

vs. TEMPERATURE

MAX5187/90-10

TEMPERATURE (°C)

SHUTDOWN CURRENT (µA)

MAX5190

MAX5187

1.28

1.27

1.26

1.25

1.24

1.23

2.5 4.03.0 3.5 4.5 5.0 5.5

INTERNAL REFERENCE VOLTAGE

vs. SUPPLY VOLTAGE

MAX5187/90-11

SUPPLY VOLTAGE (V)

REFERENCE VOLTAGE (V)

MAX5190

MAX5187

1.28

1.27

1.25

1.24

1.26

1.23

-40 35-15 10 60 85

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX5187/90-12

TEMPERATURE (°C)

REFERENCE VOLTAGE (V)

MAX5190

MAX5187

Typical Operating Characteristics (continued)

(AV

= DV

= +3V, AGND = DGND = 0, 400Ω differential output, I

= 1mA, C

= 5pF, T

= +25°C, unless otherwise noted.)

0 300100 200 400 500

OUTPUT CURRENT

vs. REFERENCE CURRENT

MAX5187/90-13

REFERENCE CURRENT (µA)

OUTPUT CURRENT (mA)

DYNAMIC RESPONSE RISE TIME

MAX5187/90-14

50ns/div

OUTP

150mV/

div

OUTN

150mV/

div

DYNAMIC RESPONSE FALL TIME

MAX5187/90-15

50ns/div

OUTP

150mV/

div

OUTN

150mV/

div

SETTLING TIME

MAX5187/90-16

12.5ns/div

OUTN

100mV/

div

OUTP

100mV/

div

-10

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

-120

0246

8101214

FFT PLOT

MAX5187/90-17

OUTPUT FREQUENCY (MHz)

(dBc)

OUT

= 2.2MHz

CLK

= 40MHz

1 2 3 4 5 6 7 8 9 10 ... 14 15

MAX5187/MAX5190 1

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