MAX1258BETM+ Maxim Integrated Products, MAX1258BETM+ Datasheet - Page 12

• 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.)
12
4.12
4.11
4.10
4.09
4.08
25.1
25.0
24.9
24.8
24.7
DD
-1
-2
-3
-4
-5
-6
-7
0
______________________________________________________________________________________
-40
2.7
0
= DV
MAX1257
MAX1257
ADC REFERENCE SUPPLY CURRENT
MAX1220/MAX1258
INTERNAL REFERENCE VOLTAGE
vs. ANALOG SUPPLY VOLATAGE
0.5
-15
DD
vs. REFERENCE VOLTAGE
DAC FULL-SCALE ERROR
REFERENCE VOLTAGE (V)
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
= 3V (MAX1257), external V
TEMPERATURE (°C)
1.0
3.0
10
1.5
35
3.3
2.0
CLK
60
2.5
= 3.6MHz (50% duty cycle), f
3.6
3.0
85
REF
2.52
2.51
2.50
2.49
2.48
41.0
40.9
40.8
40.7
40.6
40.5
-10
-15
Typical Operating Characteristics (continued)
-5
5
0
= 2.5V (MAX1257), AV
-40
-40
0
ADC REFERENCE SUPPLY CURRENT
MAX1220/MAX1258
MAX1220/MAX1258
EXTERNAL REFERENCE = 4.096V
MAX1257
INTERNAL REFERENCE VOLTAGE
5
-15
-15
DAC FULL-SCALE ERROR
vs. TEMPERATURE
vs. LOAD CURRENT
vs. TEMPERATURE
LOAD CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
10
10
10
SAMPLE
15
35
35
20
DD
= 225ksps, C
= DV
60
60
25
DD
30
85
85
= 5V (MAX1220/MAX1258), external V
LOAD
24.96
24.94
24.92
24.90
24.88
24.86
24.84
= 50pF, 0.1µF capacitor at REF, T
25.1
25.0
24.9
24.8
24.7
-10
-15
-5
5
0
4.750
-40
0
MAX1220/MAX1258
ADC REFERENCE SUPPLY CURRENT
ADC REFERENCE SUPPLY CURRENT
MAX1257
MAX1257, EXTERNAL REFERENCE = 2.5V
vs. ANALOG SUPPLY VOLTAGE
0.5
-15
DAC FULL-SCALE ERROR
4.875
vs. LOAD CURRENT
vs. TEMPERATURE
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
TEMPERATURE (°C)
1.0
10
5.000
1.5
35
2.0
5.125
60
2.5
REF
A
5.250
3.0
=
=
85