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MAX1444 Datasheet, PDF (8/20 Pages) Maxim Integrated Products – 10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
10-Bit, 40Msps, 3.0V, Low-Power
ADC with Internal Reference
Typical Operating Characteristics (continued)
(VDD = 3.0V, OVDD = 2.7V, internal reference, differential input at -0.5dB FS, fCLK = 40MHz, CL ≈ 10pF, TA = +25°C, unless other-
wise noted.)
TOTAL HARMONIC DISTORTION
vs. TEMPERATURE
-60
fIN = 19.91MHz
-64
-68
-72
-76
-80
-40 -15
10
35
60
85
TEMPERATURE (°C)
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
200 400 600 800 1000 1200
DIGITAL OUTPUT CODE
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
24
22
20
18
SIGNAL-TO-NOISE PLUS DISTORTION
vs. TEMPERATURE
70
fIN = 19.91MHz
66
62
58
54
50
-40 -15
10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (VREFIN = 2.048V)
0.05
0.04
0.03
0.02
0.01
0
-0.01
-0.02
-0.03
-0.04
-0.05
-40 -15
10
35
60
85
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
24
22
20
18
INTEGRAL NONLINEARITY vs.
DIGITAL OUTPUT CODE (BEST STRAIGHT LINE)
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
200 400 600 800 1000 1200
DIGITAL OUTPUT CODE
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (VREFIN = 2.048V)
10
8
6
4
2
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
6
fIN = 7.51MHz
5
4
3
2
16
16
1
14
2.70 2.85 3.00 3.15 3.30 3.45 3.60
VDD (V)
14
-40 -15
10
35
60
85
TEMPERATURE (°C)
0
1.6 2.0 2.4 2.8 3.2 3.6
OVDD (V)
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