MAX11158 Datasheet, PDF (8/26 Pages) Maxim Integrated Products – 500ksps Throughput Rates Without Pipeline

MAX11158
18-Bit, 500ksps, ±5V SAR ADC with
Internal Reference in µMAX
Typical Operating Characteristics (continued)
(V_DD = 5.0V, V_OVDD = 3.3V, f_SAMPLE = 500ksps, T_A = +25NC, unless otherwise noted.)
REF PIN THERMAL DRIFT SLOPE
toc13
70
303 Devices
Mean = -7.3ppm/°C
60 ^{STDEV = 1.9ppm/°C}
25°C to -40°C 25°C to +85°C
303 Devices
Mean = 2.1ppm/°C
STDEV = 1.9ppm/°C
50
40
30
20
10
0
-16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12
THERMAL DRIFT (ppm/°C)
0
-20
-40
-60
-80
-100
-120
-140
0
FFT PLOT
toc15
N_SAMPLE = 4096
f_IN = 10132Hz
V_IN = -0.1dBFS
Single Device
SNR = 93.89dB
SINAD = 93.17dB
THD = -101.36dB
SFDR = 102.96dB
50
100
150
200
250
FREQUENCY (kHz)
98
96
94
92
90
88
86
0.1
SINAD
ENOB
SINAD and ENOB vs. FREQUENCY
toc17 _16.0
V_IN = -0.1dBFS
AVERAGE OF 128 DEVICES
15.5
15.0
14.5
1.0
10.0
FREQUENCY (kHz)
14.0
100.0
4.0965
4.0964
4.0963
4.0962
4.0961
4.0960
4.0959
4.0958
4.0957
4.0956
4.0955
4.75
INTERNAL REFERENCE VOLTAGES
vs. V_DD VOLTAGE
toc14
REF
AVERAGE OF 200 DEVICES
4.85
4.95
5.05
5.15
5.25
V_DD (V)
0
N_SAMPLE = 16384
f_IN1 = 9674Hz
-20 VIN1 = -6.1dBFS
f_IN2 = 10101Hz
V_IN2 = -6.1dBFS
-40 Single Device
IMD = -119.4dBFS
-60
-80
-100
-120
-140
6.0
7.0
8.0
TWO TONES IMD
toc16
9.0 10.0 11.0 12.0 13.0 14.0
FREQUENCY (kHz)
SFDR and -THD vs. FREQUENCY
115
110
105
100
95
90
85
V_IN = -0.1dBFS
AVERAGE OF 128 DEVICES
80
0.1
1.0
10.0
FREQUENCY (kHz)
toc18
SFDR
THD
100.0
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