MAX1276 Datasheet, PDF (5/18 Pages) Maxim Integrated Products – 1.8Msps, Single-Supply, Low-Power, True-Differential, 12-Bit ADCs with Internal Reference

1.8Msps, Single-Supply, Low-Power, True-
Differential, 12-Bit ADCs with Internal Reference
Typical Operating Characteristics
(V_DD = +5V, V_L = V_DD, f_SCLK = 28.8MHz, f_SAMPLE = 1.8Msps, T_A = T_MIN to T_MAX, unless otherwise noted. Typical values are meas-
ured at T_A = +25°C)
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1276)
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
1024
2048
3072
4096
DIGITAL OUTPUT CODE
INTEGRAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1278)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-2048 -1024
0
1024
2048
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1276)
1.00
0.75
0.50
0.25
0
-0.25
-0.50
-0.75
-1.00
0
1024
2048
3072
4096
DIGITAL OUTPUT CODE
DIFFERENTIAL NONLINEARITY
vs. DIGITAL OUTPUT CODE (MAX1278)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
-2048 -1024
0
1024
2048
DIGITAL OUTPUT CODE
OFFSET ERROR
vs. TEMPERATURE (MAX1276)
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 (MAX1278)
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 (MAX1276)
-0.5
GAIN ERROR
vs. TEMPERATURE (MAX1278)
-0.5
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1276)
72.0
-1.0
-1.0
SNR
71.5
-1.5
-1.5
71.0
-2.0
-2.0
SINAD
70.5
-2.5
-2.5
-3.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
-3.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
70.0
100
200
300
400
500
ANALOG INPUT FREQUENCY (kHz)
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