參數(shù)資料
型號(hào): MAX1221BETX+
廠商: Maxim Integrated Products
文件頁數(shù): 5/44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
______________________________________________________________________________________
13
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.)
GPIO OUTPUT VOLTAGE
vs. SINK CURRENT
MAX1221
toc38
SINK CURRENT (mA)
GPIO
OUTPUT
VOLTAGE
(mV)
40
50
30
20
10
300
600
900
1200
1500
0
060
GPIOA0, GPIOA1 OUTPUTS
GPIOC0, GPIOC1
OUTPUTS
TEMPERATURE SENSOR ERROR
vs. TEMPERATURE
MAX1221
toc39
TEMPERATURE (
°C)
TEMPERATURE
SENSOR
ERROR
C)
60
35
-15
10
-0.75
-0.50
-0.25
0
0.25
0.50
0.75
1.00
-1.00
-40
85
DAC-TO-DAC CROSSTALK
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc40
100
μs/div
VOUTA
1V/div
VOUTB
10mV/div
AC-COUPLED
DAC-TO-DAC CROSSTALK
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc41
100
μs/div
VOUTA
2V/div
VOUTB
10mV/div
AC-COUPLED
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
DYNAMIC RESPONSE RISE TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc42
1
μs/div
VOUT
1V/div
CS
1V/div
DYNAMIC RESPONSE RISE TIME
(RLOAD = 10k
Ω, CLOAD = 100pF)
MAX1221 toc43
1
μs/div
VOUT
2V/div
CS
2V/div
AVDD = DVDD = 5V
EXTERNAL REFERENCE = 4.096V
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MAX1221BETX+T 功能描述:ADC / DAC多通道 12-Bit 8Ch 300ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換速率: 分辨率:8 bit 接口類型:SPI 電壓參考: 電源電壓-最大:3.6 V 電源電壓-最小:2 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-40
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