Typical operating characteristics (continued) – Rainbow Electronics MAX1444 User Manual
Page 7
MAX1444
10-Bit, 40Msps, +3.0V, Low-Power
ADC with Internal Reference
_______________________________________________________________________________________
7
-76
-80
-68
-72
-64
-60
-40
10
-15
35
60
85
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
MAX1444-19
TEMPERATURE (
°C)
THD (dBc)
f
IN
= 19.91MHz
54
50
62
58
66
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
MAX1444-20
TEMPERATURE (°C)
SINAD (dB)
f
IN
= 19.91MHz
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0
400
200
600
800
1000
1200
INTEGRAL NONLINEARITY vs.
DIGITAL OUTPUT CODE (BEST STRAIGHT LINE)
MAX1444-21
DIGITAL OUTPUT CODE
INL (LSB)
0
400
200
600
800
1000
1200
MAX1444-22
DIGITAL OUTPUT CODE
DNL (LSB)
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
-0.03
-0.04
-0.05
0.01
0
-0.01
-0.02
0.03
0.02
0.05
0.04
-40
10
-15
35
60
85
MAX1444-23
TEMPERATURE (°C)
GAIN ERROR (LSB)
GAIN ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (V
REFIN
= +2.048V)
2
0
6
4
8
10
-40
10
-15
35
60
85
MAX1444-24
TEMPERATURE (°C)
OFFSET ERROR (LSB)
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (V
REFIN
= +2.048V)
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.)
16
14
20
18
22
24
-40
10
-15
35
60
85
MAX1444-26
TEMPERATURE (
°C)
I
VDD
(mA)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
1
0
3
2
5
4
6
1.6
2.4
2
2.8
3.2
3.6
MAX1444-27
OV
DD
(V)
I
OVDD
(mA)
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
f
IN
= 7.51MHz
16
14
20
18
22
24
2.70
3.00
2.85
3.15
3.30
3.45
3.60
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1444-25
V
DD
(V)
I
VDD
(mA)