MAX11047 Datasheet, PDF (8/18 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.)
SIGNAL-TO-NOISE AND DISTORTION
RATIO (SINAD) vs. FREQUENCY
94
93
92
91
90 V_AVDD = 5.0V
f_SAMPLE = 250ksps
89
T_A = +25°C
V_RDC = 4.096V
V_IN = -0.025dB FROM FS
88
0.1
1.0
10.0
FREQUENCY (kHz)
100.0
CROSSTALK vs. FREQUENCY
-95
V_AVDD = 5.0V
-100
f_SAMPLE = 250ksps
T_A = +25°C
V_RDC = 4.096V
-105 VIN = -0.025dB FROM FS
INACTIVE CHANNEL
-110 ^{AT GND}
-115
-120
-125
0.1
1.0
10.0
FREQUENCY (kHz)
100.0
THD vs. INPUT FREQUENCY
-85
V_AVDD = 5.0V
-90 ^fSAMPLE ^{= 250ksps}
T_A = +25°C
-95 ^{VRDC = 4.096V}
V_IN = -0.025dB FROM FS
-100
-105
-110
-115
-120
0.1
1.0
10.0
FREQUENCY (kHz)
100.0
24,000
20,000
16,000
OUTPUT NOISE HISTOGRAM WITH
INPUT CONNECTED TO 2.5V
V_CHX = 2.500270V
V_AVDD = 5.0V
f_SAMPLE = 250ksps
T_A = +25°C
12,000
8000
4000
0
OUTPUT CODE (DECIMAL)
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)
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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