MAX11135_V1 Datasheet, PDF (14/40 Pages) Maxim Integrated Products – 500ksps, Low-Power, Serial 12-/10-/8-Bit,4-/8-/16-Channel ADCs

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.)
250kHz SINE-WAVE INPUT
(8192-POINT FFT PLOT)
0
f_SAMPLE = 1Msps
-20 ^{fIN = 250kHz}
-40
AHD3 = -92.369dB
f = 254.4kHz
-60
AHD2 = -104.1dB
f = 500kHz
-80
-100
-120
0
100 200 300 400 500
FREQUENCY (kHz)
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
3.0
fSAMPLE = 1.0Msps
VDD = 3.0V
2.5
2.0
1.5
1.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
REFERENCE CURRENT
vs. SAMPLING RATE
50
40
30
20
10
0
0
200 400 600 800 1000
fSAMPLE (ksps)
SNR vs. REFERENCE VOLTAGE
74
fSAMPLE = 1.0Msps
fIN = 250kHz
73
72
71
70
69
1.0 1.4
1.8 2.2 2.6 3.0 3.4
VREFP (V)
  14