Rainbow-electronics MAX1209 Manuel d'utilisateur télécharger pdf (Page 11)

MAX1209

12-Bit, 80Msps, 3.3V IF-Sampling ADC

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1.5

1.0

0.5

2.5

2.0

3.0

3.5

-8 -4 0 4 8 12

REFP, COM, REFN

SHORT-CIRCUIT PERFORMANCE

MAX1209 toc34

SINK CURRENT (mA)

VOLTAGE

(V)

REFP

COM

REFN

INTERNAL REFERENCE MODE

AND BUFFERED EXTERNAL

REFERENCE MODE

1.0

0.5

2.0

1.5

2.5

3.0

-2 0-1 1 2

REFP, COM, REFN

LOAD REGULATION

MAX1209 toc33

SINK CURRENT (mA)

VOLTAGE

(V)

REFP

COM

REFN

INTERNAL REFERENCE MODE AND

BUFFERED EXTERNAL REFERENCE MODE

Typical Operating Characteristics (continued)

= 3.3V, OV

= 2.0V, GND = 0, REFIN = REFOUT (internal reference), V

= -0.5dBFS, CLKTYP = high, DCE = high, PD = low,

G/T = low, f

CLK

= 80MHz (50% duty cycle), T

= +25°C, unless otherwise noted.)

1.95

1.97

1.96

1.98

1.99

2.00

2.02

2.01

2.03

2.04

2.05

-2.0 0.5-1.5 -1.0 -0.5 0

REFERENCE OUTPUT VOLTAGE

LOAD REGULATION

MAX1209 toc30

REFOUT

SINK CURRENT (mA)

REFOUT

(V)

+85°C

+25°C

-40°C

0.5

1.0

1.5

2.5

2.0

3.0

3.5

-3.0 -2.0 -1.0 0 1.0

REFERENCE OUTPUT VOLTAGE

SHORT-CIRCUIT PERFORMANCE

MAX1209 toc31

REFOUT

SINK CURRENT (mA)

REFOUT

(V)

+85°C

+25°C

-40°C

2.029

2.031

2.033

2.035

2.037

2.039

-40 85-15 -10 35 60

REFERENCE OUTPUT VOLTAGE

vs. TEMPERATURE

MAX1209 toc32

TEMPERATURE (

REFOUT

(V)

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 26 27

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Rainbow-electronics MAX1209 Manuel d'utilisateur Page 11

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