MAX1448 Datasheet, PDF (8/21 Pages) Maxim Integrated Products – 10-Bit, 80Msps, Single 3.0V, Low-Power ADC with Internal Reference

10-Bit, 80Msps, Single 3.0V, Low-Power
ADC with Internal Reference
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 other-
wise noted.)
INTEGRAL NONLINEARITY
TOTAL HARMONIC DISTORTION
SIGNAL-TO-NOISE + DISTORTION
vs. DIGITAL OUTPUT CODE
vs. TEMPERATURE
vs. TEMPERATURE
(BEST STRAIGHT LINE)
-60 _{fIN = 20MHz}
70 _{fIN = 20MHz}
0.8
0.6
-64
66
0.4
-68
62
0.2
-72
58
0
-0.2
-76
54
-0.4
-80
-40 -15 10
35
60
85
TEMPERATURE (°C)
50
-40 -15 10
35
60
85
TEMPERATURE (°C)
-0.6
0
200 400 600 800 1000 1200
DIGITAL OUTPUT CODE
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
0
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE
200 400 600 800 1000 1200
DIGITAL OUTPUT CODE
GAIN ERROR vs. TEMPERATURE
EXTERNAL REFERENCE (V_REFIN = 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)
OFFSET ERROR vs. TEMPERATURE,
EXTERNAL REFERENCE (V_REFIN = 2.048V)
3
2
1
0
-1
-2
-3
-40 -15
10
35
60
85
TEMPERATURE (°C)
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
47
45
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
47
44
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
12 _{fIN = 7.5MHz}
10
43
41
8
41
38
6
39
35
4
37
2.70 2.85 3.00 3.15 3.30 3.45 3.60
V_DD (V)
32
-40 -15 10
35
60
85
TEMPERATURE (°C)
2
1.6 2.0 2.4 2.8 3.2 3.6
OV_DD (V)
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