参数资料
型号: LMP90078MHX/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 模拟信号调理
英文描述: SPECIALTY ANALOG CIRCUIT, PDSO28
封装: LEAD FREE, PLASTIC, MO-153, TSSOP-28
文件页数: 17/62页
文件大小: 1721K
代理商: LMP90078MHX/NOPB
16.1.7 Digital Filter
The LMP900xx has a fourth order rotated sinc filter that is used to configure various ODRs and to reject power supply frequencies
of 50Hz and 60Hz. The 50/60 Hz rejection is only effective when the device is operating at ODR
13.42 SPS. If the internal CLK
or the external CLK of 3.5717 MHz is used, then the LMP900xx will have the frequency response shown in Figure 5 through Figure
0
12
24
36
48
60
72
84
96
108
120
-120
-100
-80
-60
-40
-20
0
GAIN
(dB)
FREQUENCY (Hz)
1.6775 SPS
3.355 SPS
30169760
FIGURE 5. Digital Filter Response, 1.6775 SPS and 3.355 SPS
0
12
24
36
48
60
72
84
96
108
120
-120
-100
-80
-60
-40
-20
0
GAIN
(dB)
FREQUENCY (Hz)
6.71 SPS
13.42 SPS
30169773
FIGURE 6. Digital Filter Response, 6.71 SPS and 13.42 SPS
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LMP90080/LMP90079/LMP90078/LMP90077
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LMP90079 制造商:NSC 制造商全称:National Semiconductor 功能描述:Sensor AFE System: Multi-Channel, Low-Power 16-Bit
LMP90079MH/NOPB 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
LMP90079MHE/NOPB 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
LMP90079MHX/NOPB 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32
LMP90080 制造商:NSC 制造商全称:National Semiconductor 功能描述:Sensor AFE System: Multi-Channel, Low-Power 16-Bit