Rainbow-electronics MAX1446 User Manual download pdf (Page 8)

MAX1446

10-Bit, 60Msps, +3.0V, Low-Power

ADC with Internal Reference

8 _______________________________________________________________________________________

-40 10-15 35 60 85

DIGITAL SUPPLY CURRENT vs.

TEMPERATURE

MAX1446 toc30

TEMPERATURE (°C)

OVDD

(mA)

= 7.5MHz

3.0

2.5

2.0

4.0

3.5

4.5

5.0

2.70 3.002.85 3.15 3.30 3.45 3.60

ANALOG POWER-DOWN CURRENT vs.

ANALOG POWER SUPPLY

MAX1446 toc31

(V)

VDD

(µA)

OE = OV

PD = V

1.2 1.8 2.4 3.0 3.6

DIGITAL POWER-DOWN CURRENT vs.

DIGITAL POWER SUPPLY

MAX1446 toc32

(V)

OVDD

(µA)

PD = V

OE = OV

50 54 58 62 7066

SFDR, SNR, THD, SINAD vs.

CLOCK FREQUENCY (OVER-CLOCKING)

MAX1446 toc33

CLOCK FREQUENCY (MHz)

SFDR, SNR, THD, SINAD (dB)

= 20MHz

THD

SFDR

SINAD

SNR

2.02

2.00

2.06

2.04

2.08

2.10

2.70 2.85 3.00 3.15 3.30 3.45 3.60

INTERNAL REFERENCE VOLTAGE vs.

ANALOG SUPPLY VOLTAGE

MAX1446 toc34

(V)

REFOUT

(V)

2.02

2.00

2.06

2.04

2.08

2.10

-40 -15 10 35 60 85

INTERNAL REFERENCE VOLTAGE vs.

TEMPERATURE

MAX1446 toc35

TEMPERATURE (

REFOUT

(V)

20000

40000

60000

80000

100000

120000

140000

160000

N-2 N-1 N N+1 N+2

0 926

129421

725 0

OUTPUT NOISE HISTOGRAM (DC INPUT)

MAX1446 toc36

DIGITAL OUTPUT CODE

COUNTS

Typical Operating Characteristics (continued)

= +3.0V, OV

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

CLK

= 62.35MHz, C

≈ 10pF, T

= +25°C, unless

otherwise noted.)

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

ADC with Internal Reference 1

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Rainbow-electronics MAX1446 User Manual Page 8

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