Datasheet

11Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Typical Operating Characteristics (continued)
(MAX11131ATI+/MAX11132ATI+, T
A
= +25°C, unless otherwise noted.)
SFDR vs. ANALOG INPUT FREQUENCY
MAX11129 toc08
f
IN
(kHz)
SFDR (dB)
1200900600300
85
90
95
100
80
0 1500
f
SAMPLE
= 3.0Msps
500kHz SINE-WAVE INPUT
(8192-POINT FFT PLOT)
MAX11129 toc10
FREQUENCY (kHz)
AMPLITUDE (dB)
1200900600300
-100
-80
-60
-40
-20
0
-120
0 1500
f
SAMPLE
= 3.0Msps
f
IN
= 500.0486kHz
A
HD2
= -97.6dB
A
HD3
= -104.3dB
REFERENCE CURRENT
vs. SAMPLING RATE
MAX11129 toc11
f
S
(ksps)
I
REF
(µA)
2500200015001000500
50
100
150
200
0
0 3000
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX11129 toc12
TEMPERATURE (°C)
I
VDD
(mA)
1109580655035205-10-25
3.5
4.0
4.5
5.0
5.5
6.0
3.0
-40 125
f
SAMPLE
= 3.0Msps
V
DD
= 3.0V
SNR vs. REFERENCE VOLTAGE
MAX11129 toc13
V
REF+
(V)
SNR (dB)
3.43.02.62.21.81.4
70
71
72
73
74
69
1.0
f
SAMPLE
= 3.0Msps
f
IN
= 500.0486kHz
THD vs. INPUT RESISTANCE
MAX11129 toc09
R
IN
(I)
THD (dB)
300200100
-95
-90
-85
-80
-100
0 400
f
SAMPLE
= 3.0Msps
f
IN
= 500.0486kHz