MAX11156 Datasheet, PDF (8/27 Pages) Maxim Integrated Products – 18-Bit, 500ksps, ±5V SAR ADC with Internal Reference in TDFN

MAX11156
18-Bit, 500ksps, ±5V SAR ADC
with Internal Reference in TDFN
Typical Operating Characteristics (continued)
(V_DD = 5V, V_OVDD = 3.3V, f_SAMPLE = 500kHz, V_REF = 4.096V, Reference Mode 3, T_A = +25NC, unless otherwise noted.)
SINAD vs. FREQUENCY
96
94
92
90
fSAMPLE = 500ksps
88 f_IN = 10kHz
V_IN = -0.1dBFS
86
REF MODE = 3
VREF = 4.096V
AVERAGE OF 128 DEVICES
84
0.10
1
10
100
FREQUENCY (kHz)
SNR AND SINAD vs. TEMPERATURE
96.0
SNR
95.5
SINAD
fSAMPLE = 500ksps
fIN = 10kHz
V_IN = -0.1dBFS
REF MODE = 3
95.0
V_REF = 4.096V
AVERAGE OF 128
DEVICES
94.5
94.0
93.5
93.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
ENOB
vs. INPUT SIGNAL FREQUENCY
15.6
15.4
15.2
15.0
14.8
14.6
fSAMPLE = 500ksps
14.4 f_IN = 10kHz
14.2
V_IN = -0.1dBFS
REF MODE = 3
14.0 ^{VREF = 4.096V}
AVERAGE OF 128 DEVICES
13.8
0.10
1
10
100
FREQUENCY (kHz)
SNR AND SINAD
vs. VDD SUPPLY VOLTAGE
95.5
SNR
SINAD
95.0
94.5
94.0
fSAMPLE = 500ksps
fIN = 10kHz
V_IN = -0.1dBFS
93.5
REF MODE = 3
VREF = 4.096V
AVERAGE OF 128 DEVICES
93.0
4.75 4.85 4.95 5.05 5.15 5.25
VDD (V)
THD vs. VDD SUPPLY VOLTAGE
-100
-102
-104
-106
fSAMPLE = 500ksps
fIN = 10kHz
-108 _{VIN = -0.1dBFS}
REF MODE = 3
-110 ^{VREF = 4.096V}
AVERAGE OF 128
DEVICES
-112
4.75 4.85 4.95 5.05 5.15 5.25
VDD (V)
CMRR vs. INPUT FREQUENCY
-40
fSAMPLE = 500ksps
REF MODE = 3
-50
V_REF = 4.096V
VAIN+ = VAIN- = ±100mVP-P
SINGLE DEVICE
-60
-70
-80
-90
0.1
1.0
10.0
FREQUENCY (kHz)
100.0
SFDR AND -THD
vs. INPUT FREQUENCY
115
-THD
SFDR
110
105
100
fSAMPLE = 500ksps
95 f_IN = 10kHz
V_IN = -0.1dBFS
90
REF MODE = 3
V_REF = 4.096V
AVERAGE OF 128 DEVICES
85
0.1
1
10
100
FREQUENCY (kHz)
THD vs. TEMPERATURE
-98
fSAMPLE = 500ksps
fIN = 10kHz
-100 ^{VIN = -0.1dBFS}
REF MODE = 3
V_REF = 4.096V
-102 ^{AVERAGE OF 128}
DEVICES
-104
-106
-108
-40 -15
10
35
60
85
TEMPERATURE (°C)
PSRR vs. INPUT FREQUENCY
-55
fSAMPLE = 500ksps
-60
REF MODE = 3
VREF = 4.096V
VVDD = 5.0 ±56mV
-65 V_OVDD = 3.3V
SINGLE DEVICE
-70
-75
-80
-85
0.1
1
10
100
1000
FREQUENCY (kHz)
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