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参数资料
| 型号： | LTC6605IDJC-10#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 9/20页 |
| 文件大小： | 0K |
| 描述： | IC FILTER 10MHZ DUAL 22-DFN |
| 标准包装： | 2,500 |
| 滤波器类型： | 抗混迭 |
| 频率 - 截止或中心： | 5MHz |
| 滤波器数： | 2 |
| 滤波器阶数： | 2nd |
| 电源电压： | 2.7 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 22-WFDFN 裸露焊盘 |
| 供应商设备封装： | 22-DFN（6x3）裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC6605-10
17
660510f
Figure 8. Driving an ADC
660510 F08
3.3V
0.1μF
2.2μF
1μF
BIAS
τ = R (C1 + 2 C2)
CONTROL
ADC
3V
D15
D0
VOCM
VIN
–
+
21
19
AIN
+
AIN
–
VCM
GND
22
18
10nF
2
3
4
1
5
20
C1
C2
R
C1
+
–
1/2 LTC6605-10
CHANNEL A
10Ω
APPLICATIONS INFORMATION
sampling transient of the ADC (see Figure 8). The capaci-
tance serves to provide the bulk of the charge during the
sampling process, while the two resistors at the outputs
of the LTC6605-10 are used to dampen and attenuate
any charge injected by the ADC. The RC lter gives the
additional benet of band limiting broadband output noise.
The selection of the RC time constant is trial and error
for a given ADC, but the following guidelines are recom-
mended. Choose an RC time constant that is smaller than
the reciprocal of the lter cutoff frequency congured by the
LTC6605-10. Time constants on the order of 2ns do a good
job of ltering broadband noise. Longer time constants
improve SNR at the expense of settling time. The resistors
in the decoupling network should be at least 25Ω. Too large
of a resistor will leave insufcient settling time. Too small
of a resistor will not properly dampen the load transient
of the sampling process, prolonging the time required for
settling. In 16-bit applications, this will typically require a
minimum of eleven RC time constants. The 10Ω resistors
at the inputs to the ADC minimize the sampling transients
that charge the RC lter capacitors. For lowest distortion,
choose capacitors with low dielectric absorption, such as
a C0G multilayer ceramic capacitor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6605IDJC-14#PBF | 功能描述:IC FILTER 14MHZ DUAL 22-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
| LTC6605IDJC-14#TRPBF | 功能描述:IC FILTER 14MHZ DUAL 22-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
| LTC6605IDJC-14-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Matched 14MHz Filter with Low Noise, Low Distortion Differential Amplifi er |
| LTC6605IDJC-14-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Matched 14MHz Filter with Low Noise, Low Distortion Differential Amplifi er |
| LTC6605IDJC-7#PBF | 功能描述:IC FILTER 7MHZ DUAL 22-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
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