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| MAX1276 Datasheet, PDF (7/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs with Internal Reference | |||
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1.8Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
Typical Operating Characteristics (continued)
(VDD = +5V, VL = VDD, fSCLK = 28.8MHz, fSAMPLE = 1.8Msps, TA = TMIN to TMAX, unless otherwise noted. Typical values are meas-
ured at TA = +25°C)
TWO-TONE IMD PLOT (MAX1276)
0
fSAMPLE = 2Msps
-20
fIN1 = 250.039kHz
fIN2 = 300.059kHz
IMD = -84.2dB
-40
fIN1
fIN2
-60
TWO-TONE IMD PLOT (MAX1278)
0
fSAMPLE = 2Msps
-20
fIN1 = 250.039kHz
fIN2 = 300.059kHz
IMD = -81.8dB
-40
fIN1
fIN2
-60
-80
-80
-100
-100
-120
-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
VL PARTIAL/FULL POWER-DOWN SUPPLY
CURRENT vs. TEMPERATURE
200
0.8
VDD, NO SCLK
0.6
VDD, fSCLK = 28.8MHz
0.4
VL, NO SCLK
0.2
150
VL = 5V, fSCLK = 28.8MHz
100
VL = 3V, fSCLK = 28.8MHz
50
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
VDD SUPPLY CURRENT
vs. TEMPERATURE
12
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
VDD SUPPLY CURRENT
vs. CONVERSION RATE
12
9
9
CONVERSION, fSCLK = 28.8MHz
6
6
PARTIAL POWER-DOWN
3
3
0
-40 -15
10
35
60
85
TEMPERATURE (°C)
0
0
500
1000
1500
2000
fSAMPLE (kHz)
_______________________________________________________________________________________ 7
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