MAX1191 Datasheet, PDF (12/27 Pages) Maxim Integrated Products – Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC

Ultra-Low-Power, 7.5Msps, Dual 8-Bit ADC
Typical Operating Characteristics (continued)
(V_DD = 3.0V, OV_DD = 1.8V, V_REFIN = V_DD (internal reference), C_L ≈ 10pF at digital outputs, differential input at -0.5dB FS, f_CLK =
7.500567MHz at 50% duty cycle, T_A = +25°C, unless otherwise noted.)
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
INTEGRAL NONLINEARITY
32 64 96 128 160 192 224 256
DIGITAL OUTPUT CODE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
0
DIFFERENTIAL NONLINEARITY
32 64 96 128 160 192 224 256
DIGITAL OUTPUT CODE
0.30
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-40
OFFSET ERROR
vs. TEMPERATURE
V_REFIN = 1.024V
CHANNEL A
CHANNEL B
-15 10
35
60
85
TEMPERATURE (°C)
0.30
0.25
0.20
0.15
0.10
0.05
0
-0.05
-0.10
-40
GAIN ERROR
vs. TEMPERATURE
CHANNEL A
V_REFIN = 1.024V
CHANNEL B
-15
10
35
60
85
TEMPERATURE (°C)
INPUT BANDWIDTH
vs. ANALOG INPUT FREQUENCY
6
4
SMALL-SIGNAL
BANDWIDTH
2
-20dB FS
0
-2
FULL-POWER
-4
BANDWIDTH
-0.5dB FS
-6
-8
-10
1
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
0.5130
0.5125
REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
V_DD = V_REFIN
0.5120
0.5115
0.5110
0.5105
0.5100
2.7 2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6
V_DD (V)
0.5130
0.5125
REFERENCE VOLTAGE
vs. TEMPERATURE
V_DD = V_REFIN
0.5120
0.5115
0.5110
0.5105
0.5100
-40 -15 10
35
60
85
TEMPERATURE (°C)
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