Datasheet

14
MAX11135–MAX11143
500ksps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
Typical Operating Characteristics (continued)
(MAX11135ATI+/MAX11136ATI+/MAX11137ATI+, T
A
= +25°C, unless otherwise noted.)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX11135-43 toc12
TEMPERATURE (°C)
I
VDD
(mA)
1109580655035205-10-25
1.5
2.0
2.5
3.0
1.0
-40 125
f
SAMPLE
= 1.0Msps
V
DD
= 3.0V
REFERENCE CURRENT
vs. SAMPLING RATE
MAX11135-43 toc11
f
SAMPLE
(ksps)
I
REF
(µA)
800600400200
10
20
30
40
50
0
0 1000
FREQUENCY (kHz)
AMPLITUDE (dB)
400300200100
-100
-80
-60
-40
-20
0
-120
0 500
250kHz SINE-WAVE INPUT
(8192-POINT FFT PLOT)
MAX11135-43 toc10
f
SAMPLE
= 1Msps
f
IN
= 250kHz
A
HD3
= -92.369dB
f = 254.4kHz
A
HD2
= -104.1dB
f = 500kHz
SNR vs. REFERENCE VOLTAGE
MAX11135-43 toc13
V
REFP
(V)
SNR (dB)
3.43.02.62.21.81.4
70
71
72
73
74
69
1.0
f
SAMPLE
= 1.0Msps
f
IN
= 250kHz