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MAX1274 Datasheet, PDF (7/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs
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1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
Typical Operating Characteristics (continued)
(VDD = +5V, VL = VDD, VREF = 4.096V, fSCLK = 28.8MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are measured
at TA = +25°C)
TWO-TONE IMD PLOT (MAX1274)
0
-20
fIN1
-40
fIN2
fSACMLKPL=E3=22MMHszps
fSINC1LK= =25302.M03H9zkHz
fIN12 = 23500.0359kHz
fIN2 = 300.059kHz
IMD = -84.23dB
-60
-80
-100
-120
TWO-TONE IMD PLOT (MAX1275)
0
-20
fIN1
-40
fIN2
fSAMPLE = 2Msps
fSCLK = 32MHz
fIN1 = 250.039kHz
fIN2 = 300.059kHz
IMD = -81.82dB
-60
-80
-100
-120
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
VDD/VL FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
1.0
0.8
VL PARTIAL/FULL POWER-DOWN
SUPPLY CURRENT vs. TEMPERATURE
200
VL = 5V, fSCLK = 28.8MHz
150
0.6
VDD, fSCLK = 28.8MHz
0.4
VDD, fSCLK = 0
0.2
VL, fSCLK = 0
100
50
VL = 3V, fSCLK = 28.8MHz
0
-40 -15 10
35
60
85
TEMPERATURE (°C)
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
VDD SUPPLY CURRENT
vs. TEMPERATURE
12
CONVERTING
fSCLK = 28.8MHz
9
VDD SUPPLY CURRENT
vs. CONVERSION RATE
12
9
6
6
PARTIAL POWER-DOWN
3 fSCLK = 28.8MHz
3
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
0
0
500
1000
1500
2000
fSAMPLE (kHz)
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