Owner's manual

MAX1449
10-Bit, 105Msps, Single +3.3V, Low-Power
ADC with Internal Reference
8 _______________________________________________________________________________________
12
10
8
6
4
-40 10-15 35 60 85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1449 toc28
TEMPERATURE (°C)
I
OVDD
(mA)
2.00
2.20
2.60
2.40
2.80
3.00
2.70 3.002.85 3.15 3.30 3.45 3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1449 toc29
V
DD
(V)
I
VDD
(µA)
12
9
6
3
0
2.0 2.62.3 3.0 3.3 3.6
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1449 toc30
OV
DD
(V)
I
OVDD
(µA)
50
60
55
70
65
75
80
100 108104 112 116 120
SFDR, SNR, THD, SINAD
vs. CLOCK FREQUENCY
MAX1449 toc31
CLOCK FREQUENCY (MHz)
SFDR, SNR, THD, SINAD (dB)
f
IN
= 50.123MHz
SFDR
SNR
SINAD
THD
2.100
2.075
2.050
2.025
2.000
2.70 3.152.85 3.00 3.30 3.45 3.60
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1449 toc32
V
DD
(V)
V
REF
(V)
2.00
2.02
2.06
2.04
2.08
2.10
-40 10-15 35 60 85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1449 toc33
TEMPERATURE (°C)
V
REF
(V)
0
20,000
10,000
40,000
30,000
60,000
50,000
70,000
N-2 NN-1 N+1 N+2
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1449 toc34
DIGITAL OUTPUT CODE
COUNTS
0
607
64676
252
0
Typical Operating Characteristics (continued)
(V
DD
= +3.3V, OV
DD
= +2.0V, internal reference, differential input at -0.5dB FS, f
CLK
= 106.2345MHz, C
L
≈ 10pF, T
A
= +25°C,
unless otherwise noted.)