MAX1421 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1421 Datasheet PDF : 17 Pages
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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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