Rainbow-electronics MAX1448 Manual de usuario descargar pdf (Pagina 8)

MAX1448

10-Bit, 80Msps, Single +3.0V, Low-Power

ADC with Internal Reference

8 _______________________________________________________________________________________

-40 10-15 35 60 85

DIGITAL SUPPLY CURRENT

vs. TEMPERATURE

MAX1448-28

TEMPERATURE (°C)

OVDD

(mA)

= 7.5MHz

2.70 3.002.85 3.15 3.30 3.45 3.60

ANALOG POWER-DOWN CURRENT

vs. ANALOG POWER SUPPLY

MAX1448-29

(V)

VDD

(µA)

OE = OV

, PD = V

DIGITAL POWER-DOWN CURRENT

vs. DIGITAL POWER SUPPLY

MAX1448-30

(V)

OVDD

(

1.2 2.41.8 3.0 3.6

PD = V

OE = OV

70 80 8575 90 95 100

SFDR, SNR, THD, SINAD

vs. CLOCK FREQUENCY

MAX1448-31

CLOCK FREQUENCY (MHz)

SFDR, SNR, THD, SINAD (dB)

SINAD

THD

SNR

SFDR

= 25.12MHz

2.00

2.02

2.06

2.04

2.08

2.10

2.70 3.002.85 3.15 3.30 3.45 3.60

INTERNAL REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

MAX1448-32

(V)

REFOUT

(V)

2.00

2.02

2.06

2.04

2.08

2.10

-40 10-15 35 60 85

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

MAX1448-33

TEMPERATURE (°C)

REFOUT

(V)

40000

20000

80000

60000

120000

100000

140000

N-1N-2

965

730

129377

N+1

N+2

OUTPUT NOISE HISTOGRAM (DC INPUT)

MAX1448-34

DIGITAL OUTPUT NOISE

COUNTS

Typical Operating Characteristics (continued)

= +3.0V, OV

= +2.7V, internal reference, differential input at -0.5dB FS, f

CLK

= 83.3MHz, C

≈ 10pF, T

= +25°C, unless oth-

erwise noted.)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 17 18

ADC with Internal Reference 1

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Rainbow-electronics MAX1448 Manual de usuario Pagina 8

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