參數(shù)資料
型號(hào): MAX1228ACEP+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 10/23頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT 300KSPS 20-QSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 12
采樣率(每秒): 300k
數(shù)據(jù)接口: MICROWIRE?,QSPI?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 727mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 20-QSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 12 個(gè)單端,單極;12 個(gè)單端,雙極;6 個(gè)差分,單極;6 個(gè)差分,雙極
MAX1226/MAX1228/MAX1230
12-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
18
______________________________________________________________________________________
Initiate a scan by writing a byte to the conversion regis-
ter. The MAX1226/MAX1228/MAX1230 then power up,
scan all requested channels, store the results in the
FIFO, and shut down. After the scan is complete, EOC
is pulled low and the results are available in the FIFO. If
a temperature measurement is requested, the tempera-
ture result precedes all other FIFO results. EOC stays
low until CS is pulled low again.
Externally Clocked Acquisitions and
Conversions Using the Serial Interface
Performing Conversions in Clock Mode 11
In clock mode 11, acquisitions and conversions are ini-
tiated by writing to the conversion register and are per-
formed one at a time using the SCLK as the conversion
clock. Scanning and averaging are disabled, and the
conversion result is available at DOUT during the con-
version. See Figure 7 for clock mode 11 timing.
CS
DOUT
SCLK
CNVST
EOC
(CONVERSION2)
MSB1
LSB1
MSB2
(ACQUISITION1)
(ACQUISITION2)
(CONVERSION1)
REQUEST MULTIPLE CONVERSIONS BY SETTING CNVST LOW FOR EACH CONVERSION.
Figure 5. Clock Mode 01
(UP TO 514 INTERNALLY CLOCKED ACQUISITIONS AND CONVERSIONS)
MSB1
LSB1
MSB2
(CONVERSION BYTE)
CS
DOUT
SCLK
DIN
EOC
THE CONVERSION BYTE BEGINS THE ACQUISITION. CNVST IS NOT REQUIRED.
Figure 6. Clock Mode 10
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