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MAX1021 Datasheet(PDF) 13 Page - Maxim Integrated Products

Part # MAX1021
Description  10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports
PDF  47 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1021 Datasheet(HTML) 13 Page - Maxim Integrated Products

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10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
13
ADC REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
60
35
-15
10
25.25
25.50
25.75
26.00
26.25
26.50
26.75
27.00
25.00
-40
85
MAX1021/MAX1023/MAX1057
ADC FFT PLOT
ANALOG INPUT FREQUENCY (kHz)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0
200
fSAMPLE = 32.768kHz
fANALOG_)N = 10.080kHz
fCLK = 5.24288MHz
SINAD = 61.21dBc
SNR = 61.21dBc
THD = 73.32dBc
SFDR = 81.25dBc
ADC IMD PLOT
ANALOG INPUT FREQUENCY (kHz)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0
200
fCLK = 5.24288MHz
fIN1 = 9.0kHz
fIN2 = 11.0kHz
AIN = -6dBFS
IMD = 78.0dBc
ADC CROSSTALK PLOT
ANALOG INPUT FREQUENCY (kHz)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0
200
fCLK = 5.24288MHz
fIN1 = 10.080kHz
fIN2 = 8.0801kHz
SNR = 61.11dBc
THD = 73.32dBc
ENOB = 9.86 BITS
SFDR = 86.34dBc
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
60
30
0
2.01
2.02
2.03
2.04
2.05
2.06
2.07
2.08
2.00
-30
90
DAC OUTPUT = MIDSCALE
MAX1020/MAX1022/MAX1058
SINKING
SOURCING
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
OUTPUT CURRENT (mA)
20
10
0
-20
-10
1.22
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.21
-30
30
DAC OUTPUT = MIDSCALE
MAX1021/MAX1023/MAX1057
SINKING
SOURCING
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
SOURCE CURRENT (mA)
80
60
40
20
1
2
3
4
5
0
0
100
MAX1020/MAX1022/MAX1058
GPIOA0–A3 OUTPUTS
GPIOB0–B3,
C0–C3 OUTPUTS
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
SOURCE CURRENT (mA)
80
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
0
0
100
MAX1021/MAX1023/MAX1057
GPIOA0–A3 OUTPUTS
GPIOB0–B3, C0–C3
OUTPUTS
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
SINK CURRENT (mA)
80
60
40
20
300
600
900
1200
1500
0
0
100
MAX1020/MAX1022/MAX1058
GPIOA0–A3 OUTPUTS
GPIOB0–B3, C0–C3
OUTPUTS
Typical Operating Characteristics (continued)
(AVDD = DVDD = 3V (MAX1021/MAX1023/MAX1057), external VREF = 2.5V (MAX1021/MAX1023/MAX1057), AVDD = DVDD = 5V
(MAX1020/MAX1022/MAX1058), external VREF = 4.096V (MAX1020/MAX1022/MAX1058), fCLK = 4.8MHz (50% duty cycle), fSAMPLE
= 300ksps, CLOAD = 50pF, 0.1µF capacitor at REF, TA = +25°C, unless otherwise noted.)



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