
MAX11047–MAX11049/MAX11057–MAX11059
4-/6-/8-Channel, 16-/14-Bit,
Simultaneous-Sampling ADCs
_______________________________________________________________________________________
7
GAIN ERROR AND GAIN ERROR
MATCHING vs. TEMPERATURE
MAX11047
toc15
TEMPERATURE (°C)
ERRORS
(%FS)
-0.006
-0.002
0.002
GAIN ERROR MATCHING
0.006
0.010
fSAMPLE = 250ksps
VAVDD = 5.0V
VREFIO = 4.096V
-0.010
GAIN ERROR
60
35
10
-15
-40
85
FFT PLOT FOR MAX1104_
MAX11047
toc16
FREQUENCY (kHz)
MAGNITUDE
(dB)
100
75
50
25
-120
-100
-80
-60
-40
-20
0
-140
0125
fIN = 10kHz
fSAMPLE = 250ksps
TA = +25°C
VAVDD = 5.0V
TWO-TONE IMD PLOT FOR MAX1104_
MAX11047
toc17
FREQUENCY (kHz)
11.6
10.8
10.0
9.2
8.4
7.6
12.4
MAGNITUDE
(dB)
-120
-100
-80
-60
-40
-20
0
-140
fIN1 = 9834Hz
fIN2 = 10384Hz
fSAMPLE = 250ksps
TA = +25°C
VAVDD = 5.0V
VRDC = 4.096V
VIN = -0.01dBFS
SIGNAL-TO-NOISE RATIO (SNR) AND
SIGNAL-TO-NOISE AND DISTORTION RATIO
(SINAD) vs. TEMPERATURE FOR MAX1104_
MAX11047
toc18
TEMPERATURE (°C)
SNR
AND
SINAD
(dB)
60
35
10
-15
91.5
92.0
92.5
93.0
91.0
-40
85
VAVDD = 5.0V
fIN = 10kHz
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
VIN = -0.025dB FROM FS
SNR
SINAD
INTERNAL REFERENCE VOLTAGES
vs. TEMPERATURE
MAX11047
toc11
TEMPERATURE (°C)
V
REFIO
(V)
60
35
-15
10
4.084
4.088
4.092
4.096
4.104
4.100
4.108
4.112
4.080
-40
85
VAVDD = 5.0V
UPPER TYPICAL LIMIT
LOWER TYPICAL LIMIT
OFFSET ERROR AND OFFSET ERROR
MATCHING vs. SUPPLY VOLTAGE
MAX11047
toc12
VAVDD (V)
ERRORS
(%FS)
-0.006
-0.002
0.002
0.006
0.010
-0.010
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
5.15
5.05
4.85
4.95
4.75
5.25
OFFSET ERROR MATCHING
OFFSET ERROR
Typical Operating Characteristics (continued)
(VAVDD = 5V, VDVDD = 3.3V, TA = +25°C, fSAMPLE = 250ksps, internal reference, unless otherwise noted.)
OFFSET ERROR AND OFFSET ERROR
MATCHING vs. TEMPERATURE
MAX11047
toc13
TEMPERATURE (°C)
ERRORS
(%FS)
60
35
10
-15
-0.006
-0.002
0.002
OFFSET ERROR MATCHING
0.006
0.010
fSAMPLE = 250ksps
VAVDD = 5.0V
VREFIO = 4.096V
-0.010
-40
85
OFFSET ERROR
GAIN ERROR AND GAIN ERROR
MATCHING vs. SUPPLY VOLTAGE
MAX11047
toc14
VAVDD (V)
ERRORS
(%FS)
5.15
5.05
4.95
4.85
-0.006
-0.002
0.002
GAIN ERROR MATCHING
0.006
0.010
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
-0.010
4.75
5.25
GAIN ERROR
TOTAL HARMONIC DISTORTION (THD)
vs. TEMPERATURE FOR MAX1104_
MAX11047
toc19
TEMPERATURE (°C)
THD
(dB)
60
35
10
-15
-109.5
-109.0
-108.5
-108.0
-110.0
-40
85
VAVDD = 5.0V
fIN = 10kHz
fSAMPLE = 250ksps
TA = +25°C
VRDC = 4.096V
VIN = -0.025dB FROM FS