Typical operating characteristics (continued) – Rainbow Electronics MAX1449 User Manual
Page 8
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
3.00
2.85
3.15
3.30
3.45
3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1449 toc29
V
DD
(V)
I
VDD
(µ
A)
12
9
6
3
0
2.0
2.6
2.3
3.0
3.3
3.6
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1449 toc30
OV
DD
(V)
I
OVDD
(
µ
A)
50
60
55
70
65
75
80
100
108
104
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
3.15
2.85
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
N
N-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.)