MAX1261 Datasheet, PDF (7/20 Pages) Maxim Integrated Products – 250ksps, +3V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface

250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
Typical Operating Characteristics (continued)
(V_DD = V_LOGIC = +3V, V_REF = +2.500V, f_CLK = 4.8MHz, C_L = 20pF, T_A = +25°C, unless otherwise noted.)
INTERNAL REFERENCE VOLTAGE
vs. SUPPLY VOLTAGE
2.53
INTERNAL REFERENCE VOLTAGE
vs. TEMPERATURE
2.53
OFFSET ERROR vs. SUPPLY VOLTAGE
0.0
2.52
2.52
-0.5
2.51
2.51
-1.0
2.50
2.50
-1.5
2.49
2.49
-2.0
2.48
2.48
-2.5
2.7
3.0
3.3
3.6
-40 -15
10
35
60
85
2.7
3.0
3.3
3.6
V_DD (V)
TEMPERATURE (°C)
V_DD (V)
OFFSET ERROR vs. TEMPERATURE
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-40 -15 10
35
60
85
TEMPERATURE (°C)
LOGIC SUPPLY CURRENT
vs. SUPPLY VOLTAGE
250
200
150
100
50
2.7
3.0
3.3
3.6
V_DD (V)
GAIN ERROR vs. SUPPLY VOLTAGE
1
0
-1
-2
-3
2.7
250
3.0
3.3
3.6
V_DD (V)
LOGIC SUPPLY CURRENT
vs. TEMPERATURE
200
150
100
50
-40 -15 10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. TEMPERATURE
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
20
0
-20
-40
-60
-80
-100
-120
-140
0
FFT PLOT
V_DD = 3V
f_IN = 50kHz
f_SAMPLE = 250ksps
200 400 600 800 1000 1200
FREQUENCY (kHz)
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