Owner's manual

MAX1449
10-Bit, 105Msps, Single +3.3V, Low-Power
ADC with Internal Reference
_______________________________________________________________________________________ 7
-80
-76
-68
-72
-64
-60
-40 10-15 35 60 85
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
MAX1449 toc19
TEMPERATURE (°C)
THD (dBc)
f
IN
= 26.1696MHz
50
54
62
58
66
70
-40 10-15 35 60 85
SIGNAL-TO-NOISE + DISTORTION
vs. TEMPERATURE
MAX1449 toc20
TEMPERATURE (°C)
SINAD (dB)
f
IN
= 26.1696MHz
-0.4
-0.2
-0.3
0.1
0
-0.1
0.4
0.3
0.2
0.5
0 400200 600 800 1000 1200
INTEGRAL NONLINEARITY vs.
DIGITAL OUTPUT CODE (BEST STRAIGHT LINE)
MAX1449 toc21
DIGITAL OUTPUT CODE
INL (LSB)
-0.4
-0.2
-0.3
0.1
0
-0.1
0.4
0.3
0.2
0.5
0400200 600 800 1000 1200
DIFFERENTIAL NONLINEARITY vs.
DIGITAL OUTPUT CODE
MAX1449 toc22
DIGITAL OUTPUT CODE
DNL (LSB)
0
0.02
0.06
0.04
0.08
0.10
-40 10-15 35 60 85
GAIN ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE, V
REFIN
= +2.048V
MAX1449 toc23
TEMPERATURE (°C)
GAIN ERROR (LSB)
-2
0
-1
2
1
3
4
-40 10-15 35 60 85
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE, V
REFIN
= +2.048V
MAX1449 toc24
TEMPERATURE (°C)
OFFSET ERROR (LSB)
40
50
45
60
55
65
70
-40 10-15 356085
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1449 toc26
TEMPERATURE (°C)
I
VDD
(mA)
0
3
9
6
12
15
-40 10-15 35 60 85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
MAX1449 toc27
TEMPERATURE (°C)
I
OVDD
(mA)
51
55
53
59
57
61
63
2.70 3.00 3.152.85 3.30 3.45 3.60
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1449 toc25
V
DD
(V)
I
VDD
(mA)
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.)