MAX1258 Maxim Integrated Products, MAX1258 Datasheet - Page 10

• Manufacturer Part Number: MAX1258
• Description: Multichannel ADCs/DACs
• Manufacturer: Maxim Integrated Products

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12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
10
(AV
(MAX1220/MAX1222/MAX1258), external V
= 300ksps, C
-0.5
-1.0
2.0
1.5
1.0
0.5
2.8
2.7
2.6
2.5
2.4
2.3
2.2
DD
-1
-2
-3
-4
1
0
0
______________________________________________________________________________________
4.75
-40
-40
= DV
MAX1220/MAX1222/MAX1258
MAX1221/MAX1223/MAX1257
vs. ANALOG SUPPLY VOLTAGE
MAX1220/MAX1222/MAX1258
ANALOG SUPPLY CURRENT
4.85
-15
-15
DD
LOAD
ADC OFFSET ERROR
vs. TEMPERATURE
vs. TEMPERATURE
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
= 3V (MAX1221/MAX1223/MAX1257), external V
TEMPERATURE (°C)
TEMPERATURE (°C)
MAX1221/MAX1223/MAX1257
MAX1220/MAX1222/MAX1258
4.95
= 50pF, 0.1µF capacitor at REF, T
10
10
5.05
35
35
5.15
60
60
5.25
85
85
REF
= 4.096V (MAX1220/MAX1222/MAX1258), f
-0.1
-0.2
-0.3
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
0.2
0.1
Typical Operating Characteristics (continued)
60
50
40
30
20
10
0
0
4.75
2.7
0
MAX1221/MAX1223/MAX1257
A
INPUT CURRENT vs. SAMPLING RATE
MAX1220/MAX1222/MAX1258
= +25°C, unless otherwise noted.)
MAX1220/MAX1222/MAX1258
vs. ANALOG SUPPLY VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
ADC EXTERNAL REFERENCE
50
ANALOG SUPPLY CURRENT
4.85
SAMPLING RATE (ksps)
SUPPLY VOLTAGE (V)
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
3.0
100
4.95
MAX1221/MAX1223/MAX1257
REF
150
= 2.5V (MAX1221/MAX1223/MAX1257), AV
5.05
3.3
200
5.15
250
5.25
3.6
300
CLK
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
3.0
2.5
2.0
1.5
1.0
0.5
2.7
2.6
2.5
2.4
2.3
0
= 4.8MHz (50% duty cycle), f
2.7
-40
0
MAX1221/MAX1223/MAX1257
MAX1220/MAX1222/MAX1258
vs. ANALOG SUPPLY VOLTAGE
MAX1220/MAX1222/MAX1258
50
ANALOG SUPPLY CURRENT
ANALOG SUPPLY CURRENT
-15
vs. SAMPLING RATE
vs. TEMPERATURE
SAMPLING RATE (ksps)
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
100
3.0
MAX1221/MAX1223/MAX1257
TEMPERATURE (°C)
10
150
DD
35
200
3.3
= DV
60
250
DD
SAMPLE
= 5V
300
3.6
85