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Typical operating characteristics (continued) – Rainbow Electronics MAX12553 User Manual

Page 11

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MAX12553

14-Bit, 65Msps, 3.3V ADC

______________________________________________________________________________________

11

REFERENCE OUTPUT VOLTAGE

LOAD REGULATION

MAX12553 toc33

I

REFOUT

SINK CURRENT (mA)

V

REFOUT

(V)

0

-0.5

-1.0

-1.5

1.96

1.97

1.98

1.99

2.00

2.01

2.02

2.03

2.04

2.05

1.95

-2.0

0.5

+85°C

+25°C

-40°C

REFERENCE OUTPUT VOLTAGE

SHORT-CIRCUIT PERFORMANCE

MAX12553 toc34

I

REFOUT

SINK CURRENT (mA)

V

REFOUT

(V)

0

-1.0

-2.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0

-3.0

1.0

+85°C

+25°C

-40°C

REFERENCE OUTPUT VOLTAGE

vs. TEMPERATURE

MAX12553 toc35

TEMPERATURE (°C)

V

REFOUT

(V)

60

35

10

-15

2.031

2.033

2.035

2.037

2.039

2.029

-40

85

REFP, COM, REFN

LOAD REGULATION

MAX12553 toc36

SINK CURRENT (mA)

VOLTAGE (V)

1

0

-1

0.5

1.0

1.5

2.0

2.5

3.0

0

-2

2

V

REFP

V

COM

V

REFN

INTERNAL REFERENCE
MODE AND BUFFERED EXTERNAL
REFERENCE MODE

REFP, COM, REFN

SHORT-CIRCUIT PERFORMACE

MAX12553 toc37

SINK CURRENT (mA)

VOLTAGE (V)

4

0

-4

0.5

1.0

1.5

2.0

2.5

3.5

3.0

0

-8

12

8

V

REFP

V

COM

V

REFN

INTERNAL REFERENCE
MODE AND BUFFERED
EXTERNAL REFERENCE MODE

Typical Operating Characteristics (continued)

(V

DD

= 3.3V, OV

DD

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

IN

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

G/T = low, f

CLK

≈ 65MHz (50% duty cycle), T

A

= +25°C, unless otherwise noted.)