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Typical operating characteristics (continued) – Rainbow Electronics MAX5190 User Manual

Page 5

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MAX5187/MAX5190

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

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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 (

µ

A)

MAX5190

MAX5187

1.28

1.27

1.26

1.25

1.24

1.23

2.5

4.0

3.0

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

DD

= DV

DD

= +3V, AGND = DGND = 0, 400

Ω differential output, I

FS

= 1mA, C

L

= 5pF, T

A

= +25°C, unless otherwise noted.)

4

3

1

2

0

0

300

100

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

0

-10

-20

-30

-40
-50

-60

-70

-80

-90

-100

-110

-120

0

2

4

6

8

10 12 14

16 18 20

FFT PLOT

MAX5187/90-17

OUTPUT FREQUENCY (MHz)

(dBc)

f

OUT

= 2.2MHz

f

CLK

= 40MHz