MAX1393_09 Datasheet, PDF (6/18 Pages) Maxim Integrated Products – 1.5V to 3.6V, 312.5ksps, 1-Channel True-Differential/2-Channel Single-Ended, 12-Bit, SAR ADCs

1.5V to 3.6V, 312.5ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 12-Bit, SAR ADCs
Typical Operating Characteristics
(V_DD = +1.5V, V_REF = +1.5V, C_REF = 0.1μF, C_L = 30pF, f_SCLK = 5MHz. T_A = +25°C, unless otherwise noted.)
INL vs. CODE
1.0
0.8
V_DD = 1.5V
V_REF = 1.5V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
INL ERROR vs. REFERENCE VOLTAGE
1.0
0.8 ^{VDD = 3.6V}
0.6
0.4
MAX INL
0.2
0
-0.2
-0.4
MIN INL
-0.6
-0.8
-1.0
0.6 1.1 1.6 2.1 2.6 3.1 3.6
REFERENCE VOLTAGE (V)
DNL vs. CODE
1.0
0.8
V_DD = 1.5V
V_REF = 1.5V
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
512 1024 1536 2048 2560 3072 3584 4096
CODE
DNL ERROR vs. REFERENCE VOLTAGE
1.0
0.8 ^{VDD = 3.6V}
0.6
MAX DNL
0.4
0.2
0
-0.2
MIN DNL
-0.4
-0.6
-0.8
-1.0
0.6 1.1 1.6 2.1 2.6 3.1 3.6
REFERENCE VOLTAGE (V)
OFFSET ERROR vs. SUPPLY VOLTAGE
400
V_REF = 1.5V
300 ^{TEMPERATURE = +25°C}
200
AIN2
100
0
-100
AIN1
-200
-300
-400
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. TEMPERATURE
400
V_DD = 2.6V
300
200
100
0
-100
-200
-300
-400
-55 -25 5 35 65 95 125
TEMPERATURE (°C)
OFFSET ERROR
vs. REFERENCE VOLTAGE
400
V_DD = 3.6V
300
200
100
0
-100
-200
-300
-400
0.6 1.1 1.6 2.1 2.6 3.1 3.6
REFERENCE VOLTAGE (V)
GAIN ERROR vs. SUPPLY VOLTAGE
400
V_REF = 1.5V
300 TEMPERATURE = +25°C
200
100
0
-100
-200
-300
-400
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
GAIN ERROR vs. TEMPERATURE
400
V_DD = 2.6V
300
AIN2
200
100
0
-100
AIN1
-200
-300
-400
-55 -25 5 35 65 95 125
TEMPERATURE (°C)
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