Typical operating characteristics (continued) – Rainbow Electronics MAX1446 User Manual
Page 8
MAX1446
10-Bit, 60Msps, +3.0V, Low-Power
ADC with Internal Reference
8
_______________________________________________________________________________________
5
4
3
7
6
8
-40
10
-15
35
60
85
DIGITAL SUPPLY CURRENT vs.
TEMPERATURE
MAX1446 toc30
TEMPERATURE (°C)
I
OVDD
(mA)
f
IN
= 7.5MHz
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
MAX1446 toc31
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
MAX1446 toc32
OV
DD
(V)
I
OVDD
(µ
A)
PD = V
DD
,
OE = OV
DD
56
50
68
62
74
80
50
54
58
62
70
66
SFDR, SNR, THD, SINAD vs.
CLOCK FREQUENCY (OVER-CLOCKING)
MAX1446 toc33
CLOCK FREQUENCY (MHz)
SFDR, SNR, THD, SINAD (dB)
f
IN
= 20MHz
THD
SFDR
SINAD
SNR
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
MAX1446 toc34
V
DD
(V)
V
REFOUT
(V)
2.02
2.00
2.06
2.04
2.08
2.10
-40
-15
10
35
60
85
INTERNAL REFERENCE VOLTAGE vs.
TEMPERATURE
MAX1446 toc35
TEMPERATURE (
°C)
V
REFOUT
(V)
0
20000
40000
60000
80000
100000
120000
140000
160000
N-2
N-1
N
N+1
N+2
0
926
129421
725
0
OUTPUT NOISE HISTOGRAM (DC INPUT)
MAX1446 toc36
DIGITAL OUTPUT CODE
COUNTS
Typical Operating Characteristics (continued)
(V
DD
= +3.0V, OV
DD
= +2.7V, internal reference, differential input at -0.5dBFS, f
CLK
= 62.35MHz, C
L
≈ 10pF, T
A
= +25°C, unless
otherwise noted.)