MAX1444EHJ 查看數據表（PDF） - Maxim Integrated
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MAX1444EHJ Datasheet PDF : 20 Pages
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10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
Typical Operating Characteristics (continued)
(VDD = 3.0V, OVDD = 2.7V, internal reference, differential input at -0.5dB FS, fCLK = 40MHz, CL ≈ 10pF, TA = +25°C, unless other-
wise noted.)
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
5
fIN = 7.51MHz
4
3
2
1
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
SNR/SINAD, THD/SFDR
vs. CLOCK FREQUENCY (OVER-CLOCKING)
80
fIN = 13.24MHz
SFDR
75
70
THD
65
SNR
60
55
SINAD
50
30
34
38
42
46
50
fCLK (MHz)
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
5.0
OE = OVDD,
PD = VDD
4.5
4.0
3.5
3.0
2.5
2.0
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.10
2.08
2.06
2.04
2.02
2.00
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
OUTPUT NOISE HISTOGRAM (DC INPUT)
70000
63000
64515
56000
49000
42000
35000
28000
21000
14000
7000
0
869
152
0
0
N-2 N-1
N
N+1 N+2
DIGITAL OUTPUT CODE
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL POWER SUPPLY
10
PD = VDD,
OE = OVDD
8
6
4
2
0
1.2
1.8
2.4
3.0
3.6
OVDD (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)
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