MAX1258BETM+ Maxim Integrated Products, MAX1258BETM+ Datasheet - Page 10

• Manufacturer Part Number: MAX1258BETM+
• Description: IC ADC/DAC 12BIT 48-TQFN
• Manufacturer: Maxim Integrated Products
• Type: ADC, DACr

Specifications of MAX1258BETM+

• Resolution (bits): 12 b
• Sampling Rate (per Second): 225k
• Data Interface: Serial
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
(AV
4.096V (MAX1220/MAX1258), f
+25°C, unless otherwise noted.)
10
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
DD
-1
-2
-1
-2
2
1
0
2
1
0
______________________________________________________________________________________
4.750
-40
-40
= DV
MAX1220/MAX1258
vs. ANALOG SUPPLY VOLTAGE
MAX1220/MAX1258
DD
ANALOG SUPPLY CURRENT
MAX1257
-15
-15
4.875
ADC OFFSET ERROR
vs. TEMPERATURE
vs. TEMPERATURE
= 3V (MAX1257), external V
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
MAX1257
10
10
MAX1220/MAX1258
5.000
35
35
5.125
CLK
60
60
= 3.6MHz (50% duty cycle), f
5.250
85
85
REF
2.04
2.02
2.00
1.98
1.96
1.94
1.92
1.90
-0.5
-1.0
1.0
0.5
Typical Operating Characteristics (continued)
60
50
40
30
20
10
0
0
= 2.5V (MAX1257), AV
4.750
2.7
0
INPUT CURRENT vs. SAMPLING RATE
MAX1220/MAX1258
MAX1257
vs. ANALOG SUPPLY VOLTAGE
vs. ANALOG SUPPLY VOLTAGE
ADC EXTERNAL REFERENCE
50
ANALOG SUPPLY CURRENT
MAX1220/MAX1258
4.875
SAMPLING RATE (ksps)
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
100
3.0
SAMPLE
5.000
150
MAX1257
200
3.3
DD
= 225ksps, C
5.125
= DV
250
DD
5.250
300
3.6
= 5V (MAX1220/MAX1258), external V
LOAD
-0.5
-1.0
2.02
2.00
1.98
1.96
1.94
1.92
1.90
1.88
1.0
0.5
3.0
2.5
2.0
1.5
1.0
0.5
= 50pF, 0.1µF capacitor at REF, T
0
0
2.7
-40
0
MAX1257
MAX1220/MAX1258
vs. ANALOG SUPPLY VOLTAGE
50
ANALOG SUPPLY CURRENT
ANALOG SUPPLY CURRENT
-15
MAX1220/MAX1258
vs. SAMPLING RATE
SAMPLING RATE (ksps)
vs. TEMPERATURE
ADC GAIN ERROR
SUPPLY VOLTAGE (V)
3.0
100
TEMPERATURE (°C)
MAX1257
10
150
MAX1257
35
3.3
200
60
250
REF
3.6
A
300
85
=
=