參數(shù)資料
型號(hào)： MAX1202BEAP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 5v, 8-cHANNEL, sERIAL, 12-bIT adcS WITH 3v dIGITAL iNTERFACE
中文描述： 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： 5.30 MM, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁(yè)數(shù)： 14/24頁(yè)
文件大?。?/td> 309K
代理商： MAX1202BEAP
M
5V, 8-Channel, S erial, 12-Bit ADCs
with 3V Digital Interfac e
14
______________________________________________________________________________________
Figure 8. External Clock Mode SSTRB Detailed Timing
t
SDV
t
SSTRB
PD0 CLOCKED IN
t
STR
SSTRB
SCLK
CS
t
SSTRB
Figure 7. Detailed Serial-Interface Timing
CS
SCLK
DIN
DOUT
t
CSH
t
CSS
t
CL
t
DS
t
DH
t
DV
t
CH
t
DO
t
TR
t
CSH
The conversion must complete in some minimum time or
droop on the sample-and-hold capacitors might degrade
conversion results. Use internal clock mode if the clock
period exceeds 10μs or if serial-clock interruptions could
cause the conversion interval to exceed 120μs.
Internal Clock
In internal clock mode, the MAX1202/MAX1203 generate
their own conversion clock. This frees the μP from run-
ning the SAR conversion clock, and allows the con-
version results to be read back at the processor’s
convenience, at any clock rate from zero to 2MHz.
SSTRB goes low at the start of the conversion, then goes
high when the conversion is complete. SSTRB is low for
a maximum of 10μs, during which time SCLK should
remain low for best noise performance. An internal regis-
ter stores data while the conversion is in progress. SCLK
clocks the data out at this register at any time after the
conversion is complete. After SSTRB goes high, the next
falling clock edge produces the MSB of the conversion
at DOUT, followed by the remaining bits in MSB-first for-
mat (Figure 9).
CS
does not need to be held low once a
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1202BEAP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202BEAP+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202BEAP-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202BEPP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1202BEPP+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 133ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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