參數(shù)資料
型號(hào): LMP90077MH/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封裝: LEAD FREE, PLASTIC, MO-153, TSSOP-28
文件頁(yè)數(shù): 19/62頁(yè)
文件大小: 1721K
代理商: LMP90077MH/NOPB
0
200
400
600
800
1000
1200
1400
1600
1800
2000
-120
-80
-40
0
GAIN
(dB)
FREQUENCY (Hz)
107.325 SPS
214.65 SPS
30169787
FIGURE 9. Digital Filter Response 107.325 SPS and 214.65 SPS
If the internal CLK is not being used and the external CLK is not 3.5717 MHz, then the filter response would be the same as the
response shown above, but the frequency will change according to the equation:
f
NEW = [(CLKEXT) / 256 ] x (fOLD / 13.952k)
Using the equation above, an example of the filter response for a 3.5717 MHz XTAL versus a 3.6864 MHz XTAL can be seen in
40
45
50
55
60
65
70
-140
-120
-100
-80
-60
-40
-20
0
GAIN
(dB)
FREQUENCY (Hz)
Crystal = 3.5717 MHz
Crystal = 3.6864 MHz
30169756
FIGURE 10. Digital Filter Response for a 3.5717MHz
versus 3.6864 MHz XTAL
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26
LMP90080/LMP90079/LMP90078/LMP90077
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMP90077MHX/NOPB 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
LMP90078 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Sensor AFE System: Multi-Channel, Low-Power 16-Bit
LMP90078MH/NOPB 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
LMP90078MHE/NOPB 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
LMP90078MHX/NOPB 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