Typical operating characteristics (continued) – Rainbow Electronics MAX1444 User Manual
Page 8
MAX1444
10-Bit, 40Msps, +3.0V, Low-Power
ADC with Internal Reference
8
_______________________________________________________________________________________
1
0
3
2
4
5
-40
10
-15
35
60
85
MAX1444-28
TEMPERATURE (°C)
I
OVDD
(mA)
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
f
IN
= 7.51MHz
3.0
2.5
2.0
4.0
3.5
4.5
5.0
2.70
3.00
2.85
3.15
3.30
3.45
3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
MAX1444-29
V
DD
(V)
I
VDD
(µ
A)
OE = OV
DD
PD = V
DD
2
0
6
4
8
10
1.2
1.8
2.4
3.0
3.6
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL POWER SUPPLY
MAX1444-30
OV
DD
(V)
I
OVDD
(µ
A)
PD = V
DD
OE = OV
DD
55
50
65
60
75
70
80
30
38
34
42
46
50
MAX1444-31
CLOCK FREQUENCY (MHz)
SFDR, SNR, THD, SINAD (dB)
SFDR, SNR, THD, SINAD vs.
CLOCK FREQUENCY (OVER-CLOCKING)
f
IN
= 13.24MHz
THD
SFDR
SNR
SINAD
2.02
2.00
2.06
2.04
2.08
2.10
2.70
2.85
3.00
3.15
3.30
3.45
3.60
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1444-32
V
DD
(V)
V
REFOUT
(V)
2.02
2.00
2.06
2.04
2.08
2.10
-40
10
-15
35
60
85
MAX1444-33
TEMPERATURE (°C)
V
REFOUT
(V)
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
0
7000
21000
14000
28000
35000
42000
56000
49000
63000
70000
N-2
N-1
N
N+1
N+2
0
869
64515
152
0
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1444-34
DIGITAL OUTPUT CODE
COUNTS
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, OV
DD
= +2.7V, internal reference, differential input at -0.5dB FS, f
CLK
= 40MHz, C
L
≈ 10pF, T
A
= +25°C, unless other-
wise noted.)