MAX1274 查看數據表（PDF） - Maxim Integrated
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MAX1274 Datasheet PDF : 18 Pages
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1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
Typical Operating Characteristics
(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)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1274)
0.8
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1275)
0.8
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1274)
0.8
0.6
0.6
0.6
0.4
0.4
0.4
0.2
0.2
0.2
0
0
0
-0.2
-0.2
-0.2
-0.4
-0.4
-0.4
-0.6
-0.6
-0.6
-0.8
0
1000 2000 3000 4000 5000
DIGITAL OUTPUT CODE
-0.8
0
1000 2000 3000 4000 5000
DIGITAL OUTPUT CODE
-0.8
0
1000 2000 3000 4000 5000
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1275)
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
0
1000 2000 3000 4000 5000
DIGITAL OUTPUT CODE
OFFSET ERROR
vs. TEMPERATURE (MAX1274)
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-40 -15 10
35
60
85
TEMPERATURE (°C)
OFFSET ERROR
vs. TEMPERATURE (MAX1275)
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
-40 -15 10
35
60
85
TEMPERATURE (°C)
GAIN ERROR
vs. TEMPERATURE (MAX1274)
-0.5
-1.0
-1.5
GAIN ERROR
vs. TEMPERATURE (MAX1275)
-0.5
-1.0
-1.5
FFT PLOT (MAX1274)
0
fSAMPLE = 2Msps
-20
fSCLK = 32MHz
fIN = 100kHz
-40
SINAD = 70.74dB
SNR = 70.82dB
THD = -88.63dB
-60
SFDR = 87.07dB
-2.0
-2.0
-80
-100
-2.5
-2.5
-120
-3.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
-3.0
-40 -15 10
35
60
85
TEMPERATURE (°C)
-140
0
200 400 600 800 1000
ANALOG INPUT FREQUENCY (kHz)
_______________________________________________________________________________________ 5
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