MAX1421 查看數據表（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.)
SPURIOUS-FREE DYNAMIC RANGE
vs. TEMPERATURE
84
fIN = 5.52MHz
80
SIGNAL-TO-NOISE RATIO
vs. TEMPERATURE
70
fIN = 5.52MHz
68
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
-70
fIN = 5.52MHz
-72
76
66
-74
72
64
-76
68
62
-78
64
-40 -15 10
35
60
85
TEMPERATURE (°C)
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
70
fIN = 5.52MHz
68
66
64
62
60
-40 -15 10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. TEMPERATURE, EXTERNAL
REFERENCE (VREFIN = 2.048V)
0.50
0.25
60
-40 -15 10
35
60
85
TEMPERATURE (°C)
2.0
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0
0
-0.5
-0.5
-1.0
-1.0
-1.5
-1.5
-2.0
-2.00
0
INTEGRAL NONLINEARITY
vs.INDTIGEIGTRAALLONUOTNPLUITNECAORDIETY
vs. DIGITAL OUTPUT CODE
1024
2048
3072
1D0IG24ITAL OUT2P0U48T CODE 3072
DIGITAL OUTPUT CODE
4096
4096
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
70
60
-80
-40 -15 10
35
60
85
TEMPERATURE (°C)
0.500
0.375
0.250
0.125
0
-0.125
-0.250
-0.375
-0.500
0
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
1024
2048
3072
4096
DIGITAL OUTPUT CODE
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
12
CL ≈ 10pF
10
0
50
8
-0.25
40
6
-0.50
-40
-15
10
35
60
85
TEMPERATURE (°C)
30
-40
-15
10
35
60
85
TEMPERATURE (°C)
4
-40
-15
10
35
60
85
TEMPERATURE (°C)
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