Datasheet
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
f
SAMPLE
= 250ksps
V
AVDD
= 5.0V
V
REFIO
= 4.096V
-0.010
GAIN ERROR
603510-15-40 85
FFT PLOT FOR MAX1104_
MAX11047 toc16
FREQUENCY (kHz)
MAGNITUDE (dB)
100755025
-120
-100
-80
-60
-40
-20
0
-140
0125
f
IN
= 10kHz
f
SAMPLE
= 250ksps
T
A
= +25°C
V
AVDD
= 5.0V
TWO-TONE IMD PLOT FOR MAX1104_
MAX11047 toc17
FREQUENCY (kHz)
11.6
10.810.09.28.47.6 12.4
MAGNITUDE (dB)
-120
-100
-80
-60
-40
-20
0
-140
f
IN1
= 9834Hz
f
IN2
= 10384Hz
f
SAMPLE
= 250ksps
T
A
= +25°C
V
AVDD
= 5.0V
V
RDC
= 4.096V
V
IN
= -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)
603510-15
91.5
92.0
92.5
93.0
91.0
-40 85
V
AVDD
= 5.0V
f
IN
= 10kHz
f
SAMPLE
= 250ksps
T
A
= +25°C
V
RDC
= 4.096V
V
IN
= -0.025dB FROM FS
SNR
SINAD
INTERNAL REFERENCE VOLTAGES
vs. TEMPERATURE
MAX11047 toc11
TEMPERATURE (°C)
V
REFIO
(V)
6035-15 10
4.084
4.088
4.092
4.096
4.104
4.100
4.108
4.112
4.080
-40 85
V
AVDD
= 5.0V
UPPER TYPICAL LIMIT
LOWER TYPICAL LIMIT
OFFSET ERROR AND OFFSET ERROR
MATCHING vs. SUPPLY VOLTAGE
MAX11047 toc12
V
AVDD
(V)
ERRORS (%FS)
-0.006
-0.002
0.002
0.006
0.010
-0.010
f
SAMPLE
= 250ksps
T
A
= +25°C
V
RDC
= 4.096V
5.155.054.85 4.954.75 5.25
OFFSET ERROR MATCHING
OFFSET ERROR
Typical Operating Characteristics (continued)
(V
AVDD
= 5V, V
DVDD
= 3.3V, T
A
= +25°C, f
SAMPLE
= 250ksps, internal reference, unless otherwise noted.)
OFFSET ERROR AND OFFSET ERROR
MATCHING vs. TEMPERATURE
MAX11047 toc13
TEMPERATURE (°C)
ERRORS (%FS)
603510-15
-0.006
-0.002
0.002
OFFSET ERROR MATCHING
0.006
0.010
f
SAMPLE
= 250ksps
V
AVDD
= 5.0V
V
REFIO
= 4.096V
-0.010
-40 85
OFFSET ERROR
GAIN ERROR AND GAIN ERROR
MATCHING vs. SUPPLY VOLTAGE
MAX11047 toc14
V
AVDD
(V)
ERRORS (%FS)
5.155.054.954.85
-0.006
-0.002
0.002
GAIN ERROR MATCHING
0.006
0.010
f
SAMPLE
= 250ksps
T
A
= +25°C
V
RDC
= 4.096V
-0.010
4.75 5.25
GAIN ERROR
TOTAL HARMONIC DISTORTION (THD)
vs. TEMPERATURE FOR MAX1104_
MAX11047 toc19
TEMPERATURE (°C)
THD (dB)
603510-15
-109.5
-109.0
-108.5
-108.0
-110.0
-40 85
V
AVDD
= 5.0V
f
IN
= 10kHz
f
SAMPLE
= 250ksps
T
A
= +25°C
V
RDC
= 4.096V
V
IN
= -0.025dB FROM FS