MAX1420 查看數據表（PDF） - Maxim Integrated
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MAX1420 Datasheet PDF : 17 Pages
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12-Bit, 60Msps, 3.3V, Low-Power ADC
with Internal Reference
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = 3.3V, AGND = DGND = 0, VIN = ±1.024V, differential input drive, AIN = -0.5dBFS, fCLK = 60.006MHz (50% duty
cycle), digital output load CL = 10pF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
80
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
14
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
14
13
70
12
12
60
10
11
10
50
8
9
40
-40 -15
10
35
60
85
TEMPERATURE (°C)
ANALOG POWER-DOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
0.20
0.16
0.12
0.08
0.04
0
3.10
3.20
3.30
3.40
3.50
AVDD (V)
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.075
2.063
2.050
2.038
2.025
3.1
3.2
3.3
3.4
3.5
AVDD (V)
6
2.7 2.9 3.0 3.2 3.3 3.5 3.6
DVDD (V)
8
-40 -15 10
35
60
85
TEMPERATURE (°C)
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
0.15
0.12
0.09
0.06
0.03
0
2.7 2.9 3.0 3.2 3.3 3.5 3.6
DVDD (V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.10
2.08
2.06
2.04
SNR/SINAD, THD/SFDR
vs. CLOCK FREQUENCY
80
75
THD
SFDR
70
65
60
SNR
SINAD
55
50
45
fIN = 15MHz
40
30 35 40 45 50 55 60 65 70
CLOCK FREQUENCY (MHz)
600,000
OUTPUT NOISE HISTOGRAM
(DC INPUT)
500,000
502186
400,000
300,000
200,000
2.02
2.00
-40
-15 10
35
60
TEMPERATURE (°C)
100,000
0 0 2 342
242 0
85
N-6 N-5 N-4 N-3 N-2 N-1 N N+1 N+2 N+3 N+4 N+5 N+6
DIGITAL OUTPUT NOISE
8 _______________________________________________________________________________________
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