MAX1274 Datasheet, PDF (5/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs

1.8Msps, Single-Supply, Low-Power,
True-Differential, 12-Bit ADCs
Typical Operating Characteristics
(V_DD = +5V, V_L = V_DD, V_REF = 4.096V, f_SCLK = 28.8MHz, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are measured
at T_A = +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
f_SAMPLE = 2Msps
-20
f_SCLK = 32MHz
f_IN = 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)
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