MAX1258 Maxim Integrated Products, MAX1258 Datasheet - Page 12

• 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
12
(AV
(MAX1220/MAX1222/MAX1258), external V
= 300ksps, C
-0.25
-0.50
-0.75
-1.00
1.00
0.75
0.50
0.25
-10
-15
43.0
42.8
42.6
42.4
42.2
42.0
DD
-5
5
0
0
______________________________________________________________________________________
4.75
0
0
= DV
MAX1220/MAX1222/MAX1258
MAX1221/MAX1223/MAX1257
MAX1220/MAX1222/MAX1258
ADC REFERENCE SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
0.5
4.85
vs. REFERENCE VOLTAGE
DD
DAC FULL-SCALE ERROR
1
DAC FULL-SCALE ERROR
LOAD
REFERENCE VOLTAGE (V)
vs. LOAD CURRENT
SUPPLY VOLTAGE (V)
= 3V (MAX1221/MAX1223/MAX1257), external V
LOAD CURRENT (mA)
1.0
4.95
= 50pF, 0.1µF capacitor at REF, T
2
1.5
5.05
3
2.0
5.15
4
2.5
5.25
5
3.0
REF
= 4.096V (MAX1220/MAX1222/MAX1258), f
4.12
4.11
4.10
4.09
4.08
25.8
25.7
25.6
25.5
25.4
Typical Operating Characteristics (continued)
-1
-2
-3
-4
-5
-6
-7
0
-40
2.7
0
A
MAX1221/MAX1223/MAX1257
MAX1221/MAX1223/MAX1257
MAX1220/MAX1222/MAX1258
ADC REFERENCE SUPPLY CURRENT
INTERNAL REFERENCE VOLTAGE
= +25°C, unless otherwise noted.)
vs. ANALOG SUPPLY VOLTAGE
0.5
vs. REFERENCE VOLTAGE
-15
DAC FULL-SCALE ERROR
REFERENCE VOLTAGE (V)
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
1.0
3.0
TEMPERATURE (°C)
10
REF
1.5
= 2.5V (MAX1221/MAX1223/MAX1257), AV
35
2.0
3.3
2.5
60
3.0
3.6
85
CLK
2.52
2.51
2.50
2.49
2.48
-10
-15
-5
50
48
46
44
42
40
5
0
= 4.8MHz (50% duty cycle), f
-40
-40
0
MAX1220/MAX1222/MAX1258
ADC REFERENCE SUPPLY CURRENT
MAX1221/MAX1223/MAX1257
INTERNAL REFERENCE VOLTAGE
5
-15
-15
DAC FULL-SCALE ERROR
vs. LOAD CURRENT
vs. TEMPERATURE
vs. TEMPERATURE
LOAD CURRENT (mA)
TEMPERATURE (°C)
10
TEMPERATURE (°C)
MAX1220/MAX1222/MAX1258
10
10
15
DD
35
35
20
= DV
60
25
60
DD
SAMPLE
30
85
= 5V
85