Typical operating characteristics (continued) – Rainbow Electronics MAX1448 User Manual
Page 7
MAX1448
10-Bit, 80Msps, Single +3.0V, Low-Power
ADC with Internal Reference
_______________________________________________________________________________________
7
-80
-76
-68
-72
-64
-60
-40
10
-15
35
60
85
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
MAX1448-19
TEMPERATURE (
°C)
THD (dBc)
f
IN
= 20MHz
50
54
62
58
66
70
-40
10
-15
35
60
85
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
MAX1448-20
TEMPERATURE (
°C)
SINAD (dB)
f
IN
= 20MHz
-0.6
-0.2
-0.4
0.2
0
0.6
0.4
0.8
0
400
600
200
800
1000
1200
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
(BEST STRAIGHT LINE)
MAX1448-21
DIGITAL OUTPUT CODE
INL (LSB)
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0
400
200
600
800
1000
1200
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
MAX1448-22
DIGITAL OUTPUT CODE
DNL (LSB)
-0.05
-0.02
-0.03
-0.04
-0.01
0
0.01
0.02
0.03
0.04
0.05
-40
10
-15
35
60
85
GAIN ERROR vs. TEMPERATURE
EXTERNAL REFERENCE (V
REFIN
= +2.048V)
MAX1448-23
TEMPERATURE (
°C)
GAIN ERROR (LSB)
-3
-1
-2
1
0
2
3
-40
10
-15
35
60
85
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (V
REFIN
= +2.048V)
MAX1448-24
TEMPERATURE (
°C)
OFFSET ERROR (LSB)
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.)
32
35
41
38
44
47
-40
10
-15
35
60
85
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1448-26
TEMPERATURE (
°C)
I
VDD
(mA)
2
4
8
6
10
12
1.6
2.4
2.0
2.8
3.2
3.6
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
MAX1448-27
OV
DD
(V)
I
OVDD
(mA)
f
IN
= 7.5MHz
37
39
43
41
45
47
2.70
3.00
2.85
3.15
3.30
3.45
3.60
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1448-25
V
DD
(V)
I
VDD
(mA)