Datasheet

Maxim Integrated │ 8
MAX11166/MAX11167 16-Bit, 500ksps/250ksps, ±5V SAR ADCs
with Internal Reference in TDFN
www.maximintegrated.com
Typical Operating Characteristics—MAX11166 (continued)
FFT PLOT
MAX11166 toc10
FREQUENCY (kHz)
MAGNITUDE (dB)
20015010050
-120
-100
-80
-60
-40
-20
0
-140
0 250
f
SAMPLE
= 500ksps
FFT N
SAMPLE
= 4096
f
IN
= 10101Hz
V
IN
= -0.1dBFS
REF MODE = 3
V
REF
= 4.096V
V
DD
= 5.0V
V
OVDD
= 3.3V
T
A
= +25°C
SNR = 92.7dB
SINAD = 92.4dB
SFDR = 107.4dB
THD = -104.4dB
93.0
SNR AND SINAD (dB)
93.5
91.5
92.0
92.5
TEMPERATURE (°C)
603510-15-40 85
MAX11166 toc13
SNR
SINAD
f
SAMPLE
= 500ksps
f
IN
= 10kHz
V
IN
= -0.1dBFS
REF MODE = 3
V
REF
= 4.096V
V
VDD
= 5.0V
V
OVDD
= 3.3V
SIGNAL-TO-NOISE RATIO AND
SIGNAL-TO-NOISE AND
DISTORTION RATIO vs. TEMPERATURE
TWO TONES IMD
MAX11166 toc11
FREQUENCY (kHz)
MAGNITUDE (dB)
131197
-120
-100
-80
-60
-40
-20
0
-140
51
5
f
SAMPLE
= 500ksps
FFT N
SAMPLE
= 16384
f
IN1
= 9368.9Hz
V
IN1
= -6.1dBFS
f
IN2
= 10651Hz
V
IN2
= -6.1dBFS
REF MODE = 3
V
REF
= 4.096V
V
DD
= 5.0V
V
OVDD
= 3.3V
T
A
= +25°C
IMD = -119.7dBFS
-106
-102
-104
-100
THD (dB)
-98
-108
TEMPERATURE (°C)
603510-15-40 85
THD vs. TEMPERATURE
f
SAMPLE
= 500ksps
f
IN
= 10kHz
V
IN
= -0.1dBFS
REF MODE = 3
V
REF
= 4.096V
V
DD
= 5.0V
V
OVDD
= 3.3V
MAX11166 toc14
92.0
91.8
92.8
92.5
92.3
SNR AND SINAD (dB)
93.0
91.5
V
DD
(V)
5.155.054.954.854.75 5.25
SNR AND SINAD
vs. V
DD
SUPPLY VOLTAGE
MAX11166 toc12
f
SAMPLE
= 500ksps
f
IN
= 10kHz
V
IN
= -0.1dBFS
T
A
= +25°C
REF MODE = 3
V
REF
= 4.096V
SNR
SINAD
-108
-110
-104
-106
-102
THD (dB)
-100
-112
V
DD
SUPPLY VOLTAGE (V)
4.75 5.25
THD vs. V
DD
SUPPLY VOLTAGE
f
SAMPLE
= 500ksps
f
IN
= 10kHz
V
IN
= -0.1dBFS
T
A
= +25°C
REF MODE = 3
V
REF
= 4.096V
V
OVDD
= 3.3V
MAX11166 toc15
5.155.054.954.85