MAX1448 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1448 Datasheet PDF : 21 Pages
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10-Bit, 80Msps, Single 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 = 83.3MHz, CL ≈ 10pF, TA = +25°C, unless other-
wise noted.)
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
12 fIN = 7.5MHz
10
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
6
OE = OVDD,
PD = VDD
5
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL POWER SUPPLY
10
PD = VDD,
OE = OVDD
8
8
4
6
6
3
4
4
2
2
2
-40 -15 10
35
60
85
TEMPERATURE (°C)
1
0
2.70 2.85 3.00 3.15 3.30 3.45 3.60
1.2
1.8
2.4
3.0
3.6
VDD (V)
OVDD (V)
SNR/SINAD, THD/SFDR
vs. CLOCK FREQUENCY
85
fIN = 25.12MHz
80
75
SFDR
70
THD
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
2.10
2.08
2.06
65
2.04
SNR
60
55
SINAD
2.02
50
70
75 80 85 90 95 100
CLOCK FREQUENCY (MHz)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.10
2.08
2.06
2.00
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
OUTPUT NOISE HISTOGRAM (DC INPUT)
140000
129377
120000
100000
80000
2.04
2.02
2.00
-40 -15 10
35
60
85
TEMPERATURE (°C)
60000
40000
20000
0
965
0
730
0
N-2 N-1
N
N+1 N+2
DIGITAL OUTPUT NOISE
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