MAX11044 Datasheet, PDF (8/19 Pages) Maxim Integrated Products – 4-/6-/8-Channel, 16-Bit, Simultaneous-Sampling ADCs

4-/6-/8-Channel, 16-Bit,
Simultaneous-Sampling ADCs
Typical Operating Characteristics (continued)
(AVDD = 5V, DVDD = 3.3V, T_A = +25°C, f_SAMPLE = 250ksps, internal reference, unless otherwise noted.)
TOTAL HARMONIC DISTORTION
vs. ANALOG SUPPLY VOLTAGE
-99
-100
-101
-102
-103 ^fIN ^{= 10kHz}
f_SAMPLE = 250ksps
-104
T_A = +25°C
V_RDC = 4.096V
V_IN = -0.025dB FROM FS
-105
4.75 4.85 4.95 5.05 5.15 5.25
V_AVDD (V)
CROSSTALK vs. FREQUENCY
-90
f_IN = 60kHz
f_SAMPLE = 250ksps
-100 TA = +25°C
V_RDC = 4.096V
V_IN = -0.025dB FROM FS
-110 INACTIVE CHANNEL AT GND
-120
-130
SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. FREQUENCY
96
94
92
90
88
86 ^fSAMPLE ^{= 250ksps}
T_A = +25°C
84 ^{VRDC = 4.096V}
V_IN = -0.025dB FROM FS
82
0.1
1
10
100
FREQUENCY (kHz)
THD vs. INPUT FREQUENCY
-80
f_SAMPLE = 250ksps
-85 _{TA = +25°C}
V_RDC = 4.096V
-90 VIN = -0.025dB FROM FS
-95
-100
-105
-110
-115
0.1
1
10
100
FREQUENCY (kHz)
200,000
150,000
OUTPUT NOISE HISTOGRAM WITH
INPUT CONNECTED TO GND
V_CHX = 0V
V_AVDD = 5.0V
f_SAMPLE = 250ksps
T_A = +25°C
100,000
50,000
-140
0.1
1
10
100
FREQUENCY (kHz)
CONVERSION TIME
vs. ANALOG SUPPLY VOLTAGE
3.00
2.99
2.98
2.97
2.96
2.95
2.94
2.93
2.92
4.75 4.85 4.95 5.05 5.15 5.25
V_AVDD (V)
0
OUTPUT CODE (DECIMAL)
CONVERSION TIME vs. TEMPERATURE
3.00
2.99
2.98
2.97
2.96
2.95
2.94
2.93
2.92
-40 -15
10
35
60
85
TEMPERATURE (°C)
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