參數(shù)資料
型號(hào)： MAX1221BETX+T
廠商： Maxim Integrated Products
文件頁數(shù)： 44/44頁
文件大小： 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： 2,500
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： 帶卷 (TR)
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
(μ
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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