參數(shù)資料
型號: MAX1021BETX+T
廠商: Maxim Integrated Products
文件頁數(shù): 3/40頁
文件大?。?/td> 0K
描述: IC ADC/DAC 10BIT W/FIFO 36-TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: ADC,DAC
分辨率(位): 10 b
采樣率(每秒): 300k
數(shù)據(jù)接口: 串行
電壓電源: 模擬和數(shù)字
電源電壓: 2.7V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 36-TQFN 裸露焊盤(6x6)
包裝: 帶卷 (TR)
MAX1021/MAX1043
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(AVDD = DVDD = 3V, external VREF = 2.5V, fCLK = 3.6MHz (50% duty cycle), fSAMPLE = 225ksps, CLOAD = 50pF, 0.1F capacitor at
REF, TA = +25°C, unless otherwise noted.)
40.5
40.6
40.8
40.7
40.9
41.0
-40
10
-15
35
60
85
ADC REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
MAX1021
toc28
TEMPERATURE (
°C)
ADC
REFERENCE
SUPPLY
CURRENT
A)
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
25.1
25.0
24.9
24.8
24.7
-40
10
-15
356085
ADC REFERENCE SUPPLY CURRENT
vs. TEMPERATURE
MAX1021
toc29
TEMPERATURE (
°C)
ADC
REFERENCE
SUPPLY
CURRENT
A)
AVDD = DVDD = 3V
EXTERNAL REFERENCE = 2.5V
ADC FFT PLOT
MAX1040
toc30
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
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
MAX1040
toc31
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
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
MAX1040
toc32
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE
(dB)
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
MAX1040
toc33
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
SINKING
SOURCING
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
DAC OUTPUT LOAD REGULATION
vs. OUTPUT CURRENT
MAX1040
toc34
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
SINKING
SOURCING
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
MAX1040
toc35
SOURCE CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(V)
80
60
40
20
1
2
3
4
5
0
100
GPIOA0, GPIOA1 OUTPUTS
GPIOC0, GPIOC1 OUTPUTS
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
GPIO OUTPUT VOLTAGE
vs. SOURCE CURRENT
MAX1040
toc36
SOURCE CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(V)
80
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
0
100
GPIOA0, GPIOA1 OUTPUTS
GPIOC0,
GPIOC1 OUTPUTS
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