MAX1421 查看數據表（PDF） - Maxim Integrated

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MAX1421

12-Bit, 40Msps, 3.3V, Low-Power ADC with Internal Reference

Maxim Integrated 

12-Bit, 40Msps, 3.3V, Low-Power ADC

with Internal Reference

Typical Operating Characteristics (continued)

(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input voltage, fCLK = 40MHz (50% duty cycle), digital output

load CL = 10pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

80

75

70

65

60

55

50

45

40

10

SNR/SINAD, -THD/SFDR

vs. CLOCK FREQUENCY

-THD

SFDR

SNR

SINAD

fIN = 5MHz

15 20 25 30 35 40

CLOCK FREQUENCY (MHz)

2.0750

INTERNAL REFERENCE VOLTAGE

vs. ANALOG SUPPLY VOLTAGE

2.0625

2.0500

2.0375

2.0250

3.1

3.2

3.3

3.4

3.5

VDD (V)

INTERNAL REFERENCE VOLTAGE

vs. TEMPERATURE

2.10

2.08

2.06

2.04

2.02

2.00

-40 -15 10

35

60

85

TEMPERATURE (°C)

OUTPUT NOISE HISTOGRAM (DC-INPUT)

50,000

45,000

43707

40,000

35,000

30,000

25,000

20,000

15,000

10,000

10709

10824

5000

1

179

0

116 0

N-3 N-2 N-1 N N+1 N+2 N+3

DIGITAL OUTPUT NOISE

8 _______________________________________________________________________________________

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