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参数资料
型号： MAX1022BETX+T
厂商： Maxim Integrated Products
文件页数： 5/44页
文件大小： 0K
描述： IC ADC/DAC 10BIT W/FIFO 36-TQFN
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 2,500
类型： ADC，DAC
分辨率（位）： 10 b
采样率（每秒）： 225k
数据接口： MICROWIRE?，QSPI?，串行，SPI?
电压电源： 模拟和数字
电源电压： 4.75 V ~ 5.25 V
工作温度： -40°C ~ 85°C
安装类型： 表面贴装
封装/外壳： 36-WFQFN 裸露焊盘
供应商设备封装： 36-TQFN 裸露焊盘（6x6）
包装： 带卷 (TR)
MAX1020/MAX1022/MAX1057/MAX1058
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
13
ADC FFT PLOT
MAX1020
toc37
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0200
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
MAX1020
toc38
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0200
fCLK = 5.24288MHz
fIN1 = 9.0kHz
fIN2 = 11.0kHz
AIN = -6dBFS
IMD = 78.0dBc
ADC CROSSTALK PLOT
MAX1020
toc39
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
150
100
50
-140
-120
-100
-80
-60
-40
-20
0
-160
0200
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
MAX1020
toc40
OUTPUT CURRENT (mA)
DAC
OUTPUT
VOLTAGE
(V)
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
MAX1020
toc41
OUTPUT CURRENT (mA)
DAC
OUTPUT
VOLTAGE
(V)
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
MAX1057
SINKING
SOURCING
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
MAX1020
toc42
SOURCE CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(V)
80
60
40
20
1
2
3
4
5
0
0100
MAX1020/MAX1022/MAX1058
GPIOA0–A3 OUTPUTS
GPIOB0–B3,
C0–C3 OUTPUTS
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
MAX1020
toc43
SOURCE CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(V)
80
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
0
0100
MAX1057
GPIOA0–A3 OUTPUTS
GPIOB0–B3, C0–C3
OUTPUTS
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
MAX1020
toc44
SINK CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(mV)
80
60
40
20
300
600
900
1200
1500
0
0100
MAX1020/MAX1022/MAX1058
GPIOA0–A3 OUTPUTS
GPIOB0–B3, C0–C3
OUTPUTS
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
MAX1020
toc45
SINK CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(mV)
40
50
30
20
10
300
600
900
1200
1500
0
060
MAX1057
GPIOA0–A3 OUTPUTS
GPIOB0–B3, C0–C3
OUTPUTS
Typical Operating Characteristics (continued)
(VAVDD = VDVDD = 3V (MAX1057), external VREF = 2.5V (MAX1057), VAVDD = VDVDD = 5V (MAX1020/MAX1022/MAX1058), external
VREF = 4.096V (MAX1020/MAX1022/MAX1058), fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1F capaci-
tor at REF, TA = +25°C, unless otherwise noted.)
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