參數(shù)資料
型號: MAX1221BETX+
廠商: Maxim Integrated Products
文件頁數(shù): 44/44頁
文件大?。?/td> 0K
描述: IC ADC/DAC 12BIT W/FIFO 36TQFNEP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 50
類型: ADC,DAC
分辨率(位): 12 b
采樣率(每秒): 225k
數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
電壓電源: 模擬和數(shù)字
電源電壓: 2.7 V ~ 5.25 V
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: 管件
MAX1221/MAX1223/MAX1343
12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
_______________________________________________________________________________________
9
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.)
ADC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc04
OUTPUT CODE
INTEGRAL
NONLINEARITY
(LSB)
3072
2048
1024
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
4096
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc05
OUTPUT CODE
DIFFERENTIAL
NONLINEARITY
(LSB)
3072
2048
1024
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
4096
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
ADC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc06
OUTPUT CODE
DIFFERENTIAL
NONLINEARITY
(LSB)
3072
2048
1024
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
0
4096
0
0.2
0.6
0.4
0.8
1.0
2.5
3.5
3.0
4.0
4.5
5.0
5.5
ADC OFFSET ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1221
toc07
SUPPLY VOLTAGE (V)
OFFSET
ERROR
(LSB)
ADC OFFSET ERROR vs. TEMPERATURE
MAX1221
toc08
TEMPERATURE (
°C)
OFFSET
ERROR
(LSB)
60
35
10
-15
-1
0
1
2
-2
-40
85
1.0
0.5
0
-0.5
-1.0
2.5
4.0
3.0
3.5
4.5
5.0
5.5
ADC GAIN ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1221
toc09
SUPPLY VOLTAGE (V)
GAIN
ERROR
(LSB)
ADC GAIN ERROR vs. TEMPERATURE
MAX1221
toc10
TEMPERATURE (
°C)
GAIN
ERROR
(LSB)
60
35
10
-15
-1
0
1
2
-2
-40
85
ADC EXTERNAL REFERENCE
INPUT CURRENT vs. SAMPLING RATE
MAX1221
toc11
SAMPLING RATE (ksps)
ADC
EXTERNAL
REFERENCE
INPUT
CURRENT
A)
250
200
150
100
50
10
20
30
40
50
60
0
300
ANALOG SUPPLY CURRENT
vs. SAMPLING RATE
MAX1221
toc12
SAMPLING RATE (ksps)
ANALOG
SUPPLY
CURRENT
(mA)
250
200
150
100
50
0.5
1.0
1.5
2.0
2.5
3.0
0
300
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