參數(shù)資料
型號： MAX1221BETX+T
廠商： Maxim Integrated Products
文件頁數(shù)： 2/44頁
文件大?。?/td> 0K
描述： IC ADC/DAC 12BIT W/FIFO 36TQFNEP
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 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
供應商設備封裝： 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
10
______________________________________________________________________________________
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.)
1.90
1.94
1.92
1.98
1.96
2.02
2.00
2.04
2.5
3.5
4.0
3.0
4.5
5.0
5.5
ANALOG SUPPLY CURRENT
vs. ANALOG SUPPLY VOLTAGE
MAX1221
toc13
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
1.88
1.92
1.90
1.96
1.94
2.00
1.98
2.02
-40
10
-15
35
60
85
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
MAX1221
toc14
TEMPERATURE (
°C)
ANALOG
SUPPLY
CURRENT
(mA)
AVDD = DVDD = 5V
AVDD = DVDD = 3V
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc15
OUTPUT CODE
INTEGRAL
NONLINEARITY
(LSB)
3072
2048
1024
-1.0
-0.5
0
0.5
1.0
1.5
-1.5
0
4096
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
DAC INTEGRAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc16
OUTPUT CODE
INTEGRAL
NONLINEARITY
(LSB)
3072
2048
1024
-1.0
-0.5
0
0.5
1.0
1.5
-1.5
0
4096
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc17
OUTPUT CODE
DIFFERENTIAL
NONLINEARITY
(LSB)
2059
2056
2053
2050
-0.2
0
0.2
0.4
-0.4
2047
2062
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
DAC DIFFERENTIAL NONLINEARITY
vs. OUTPUT CODE
MAX1221
toc18
OUTPUT CODE
DIFFERENTIAL
NONLINEARITY
(LSB)
2059
2056
2053
2050
-0.2
0
0.2
0.4
-0.4
2047
2062
0.2
0.4
0.8
0.6
1.0
1.2
2.5
3.5
3.0
4.0
4.5
5.0
5.5
DAC FULL-SCALE ERROR
vs. ANALOG SUPPLY VOLTAGE
MAX1221
toc19
SUPPLY VOLTAGE (V)
DAC
FULL-SCALE
ERROR
(LSB)
-6
-4
-2
0
2
4
6
8
10
-40
-15
10
35
60
85
DAC FULL-SCALE ERROR
vs. TEMPERATURE
MAX1221
toc20
TEMPERATURE (
°C)
DAC
FULL-SCALE
ERROR
(LSB)
EXTERNAL
REFERENCE = 4.096V
AVDD = DVDD = 5V
-6
-4
-2
0
2
4
6
8
10
-40
-15
10
35
60
85
DAC FULL-SCALE ERROR
vs. TEMPERATURE
MAX1221
toc21
TEMPERATURE (
°C)
DAC
FULL-SCALE
ERROR
(LSB)
EXTERNAL
REFERENCE = 2.5V
AVDD = DVDD = 3V
INTERNAL
REFERENCE
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