Typical operating characteristics (continued) – Rainbow Electronics MAX1448 User Manual
Page 8
MAX1448
10-Bit, 80Msps, Single +3.0V, Low-Power
ADC with Internal Reference
8
_______________________________________________________________________________________
2
4
8
6
10
12
-40
10
-15
35
60
85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1448-28
TEMPERATURE (
°C)
I
OVDD
(mA)
f
IN
= 7.5MHz
1
2
4
3
5
6
2.70
3.00
2.85
3.15
3.30
3.45
3.60
ANALOG POWER-DOWN CURRENT
vs. ANALOG POWER SUPPLY
MAX1448-29
V
DD
(V)
I
VDD
(µ
A)
OE = OV
DD
, PD = V
DD
0
2
6
4
8
10
DIGITAL POWER-DOWN CURRENT
vs. DIGITAL POWER SUPPLY
MAX1448-30
OV
DD
(V)
I
OVDD
(µ
A)
1.2
2.4
1.8
3.0
3.6
PD = V
DD
,
OE = OV
DD
50
60
55
70
65
80
75
85
70
80
85
75
90
95
100
SFDR, SNR, THD, SINAD
vs. CLOCK FREQUENCY
MAX1448-31
CLOCK FREQUENCY (MHz)
SFDR, SNR, THD, SINAD (dB)
SINAD
THD
SNR
SFDR
f
IN
= 25.12MHz
2.00
2.02
2.06
2.04
2.08
2.10
2.70
3.00
2.85
3.15
3.30
3.45
3.60
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
MAX1448-32
V
DD
(V)
V
REFOUT
(V)
2.00
2.02
2.06
2.04
2.08
2.10
-40
10
-15
35
60
85
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1448-33
TEMPERATURE (
°C)
V
REFOUT
(V)
0
40000
20000
80000
60000
120000
100000
140000
N-1
N-2
0
965
730
0
129377
N
N+1
N+2
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1448-34
DIGITAL OUTPUT NOISE
COUNTS
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, OV
DD
= +2.7V, internal reference, differential input at -0.5dB FS, f
CLK
= 83.3MHz, C
L
≈ 10pF, T
A
= +25°C, unless oth-
erwise noted.)