Rainbow Electronics MAX118 - Manual (Page 5)

MAX114/MAX118
+5V, 1Msps, 4 & 8-Channel,
8-Bit ADCs with 1µA Power-Down
_______________________________________________________________________________________ 5
1.5
0.6
-60 140
CONVERSION TIME
vs. AMBIENT TEMPERATURE
0.8
0.7
1.4
TEMPERATURE (°C)
t CRD
(NORMALIZED TO VALUE AT V
DD
= +5V, +25°C)
20
1.1
1.0
0.9
-20 100 60
1.3
1.2
V DD = +4.75V
V DD = +5V
V DD = +5.25V
MAX114/118-01
8.0
6.0
1k 10k 100k
EFFECTIVE NUMBER OF BITS vs.
INPUT FREQUENCY (WR-RD MODE)
INPUT FREQUENCY (Hz)
EFFECTIVE NUMBER OF BITS
1M
7.5
7.0
6.5
MAX114/118-02
f SAMPLE = 1MHz
V IN = 4.96Vp-p
0
0 400
SIGNAL-TO-NOISE RATIO
-100
-80
-40
-20
FREQUENCY (kHz)
RATIO (dB)
300
-60
100 200 500
MAX114/118-04
SAMPLE
FREQUENCY = 1MHz
SNR = 48.2dB
V DD = 4.75V
INPUT FREQUENCY =
195.8ksps
V
IN = 4.72Vp-p
50
0
100k
AVERAGE POWER CONSUMPTION
vs. SAMPLING RATE USING PWRDN
10
40
SAMPLING RATE (CONVERSIONS/SEC)
POWER DISSIPATION (mW)
1k
20
30
10k 1M
MAX114/118-03
5
6
0
75 100 150 175 250
TOTAL UNADJUSTED ERROR
vs. POWER-UP TIME
1
4
MAX114/118-06
POWER-UP TIME, t UP (ns)
TUE (LSB)
125 200 225
3
2
12
0
-60
SUPPLY CURRENT vs. TEMPERATURE
(EXCLUDING REFERENCE CURRENT)
2
4
6
8
10 MAX114/118-08
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
60 100 140 -20 20
__________________________________________Typical Operating Characteristics
(V DD = +5V, T A = +25°C, unless otherwise noted.)