參數(shù)資料
型號: MAX1221BETX+
廠商: Maxim Integrated Products
文件頁數(shù): 7/44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: 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
______________________________________________________________________________________
15
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.)
NEGATIVE FULL-SCALE SETTLING TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1340 toc50
1
μs/div
VOUT
1V/div
VLDAC
1V/div
NEGATIVE FULL-SCALE SETTLING TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc51
2
μs/div
VOUT_
2V/div
VLDAC
2V/div
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
POSITIVE FULL-SCALE SETTLING TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc52
1
μs/div
VOUT_
1V/div
VLDAC
1V/div
POSITIVE FULL-SCALE SETTLING TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc53
1
μs/div
VOUT_
2V/div
VLDAC
2V/div
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
ADC REFERENCE FEEDTHROUGH
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc54
200
μs/div
VDAC-OUT
10mV/div
AC-COUPLED
VREF2
1V/div
ADC REFERENCE SWITCHING
ADC REFERENCE FEEDTHROUGH
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc55
200
μs/div
VDAC-OUT
2mV/div
AC-COUPLED
VREF2
2V/div
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
ADC REFERENCE SWITCHING
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