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参数资料
| 型号： | LTC1067-50CS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC FILTR BLDNGBLK R-R DUAL16SOIC |
| 标准包装： | 2,500 |
| 滤波器类型： | 通用开关电容器 |
| 频率 - 截止或中心： | 40kHz |
| 滤波器数： | 2 |
| 滤波器阶数： | 4th |
| 电源电压： | 2.7 V ~ 11 V，±2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
11
LTC1067/LTC1067-50
ODES OF OPERATIO
U
W
Mode 3a
This is an extension of Mode 3 where the highpass and
lowpass outputs are summed through two external resis-
tors, RH and RL, to create a notch (see Figure 7). Mode 3a
is more versatile than Mode 2 because the notch fre-
quency can be higher or lower than the center frequency
of the 2nd order section. The external op amp of Figure 7
is not always required. When cascading the sections of the
LTC1067, the highpass and lowpass outputs can be
summed directly into the inverting input of the next
section.
Please refer to the Operating Limits paragraph under Appli-
cations Information for a guide to the use of capacitor CC.
Figure 7. Mode 3a, 2nd Order Filter Providing a Highpass Notch or Lowpass Notch Output
Mode 2n
This mode extends the circuit topology of Mode 3a to
Mode 2 (Figure 8) where the highpass-notch and lowpass
outputs are summed through two external resistors, RH
and RL, to create a lowpass output with a notch higher in
frequency than the notch in Mode 2. This mode, shown in
Figure 8, is most useful in lowpass elliptic designs. When
cascading the sections of the LTC1067, the highpass-
notch and lowpass outputs can be summed directly into
the inverting input of the next section.
Please refer to the Operating Limits paragraph under Appli-
cations Information for a guide to the use of capacitor CC.
Figure 8. Mode 2n, 2nd Order Filter Providing a Lowpass Notch Output
–
+
Σ
∫
AGND
R1
HP
BP
LP
VIN
1067 F07
+
–
S
R2
R3
R4
CC
–
+
EXTERNAL OP AMP OR INPUT OP
AMP OF THE LTC1067, SIDES A OR B
HIGHPASS
OR LOWPASS
NOTCH OUTPUT
RG
RL
RH
R2
R1
( )
RG
RH
()
fO =
; fn =
HOHPn (f = ∞) =
; HOLPn (f = 0) =
fCLK
RATIO
fCLK
RATIO
√RH
RL
√R2
R4
Q = 1.005
R3
R2
√R2
R4
( )
R4
R1
( )
RG
RL
()
NOTE: RATIO = 100 FOR LTC1067
= 50 FOR LTC1067-50
R3
(RATIO)(0.32)(R4)
(
)
1
1 –
–
+
Σ
∫
AGND
R1
HP
BP
LP
VIN
1067 F08
+
–
S
R2
R3
R4
CC
–
+
EXTERNAL OP AMP OR INPUT OP AMP
OF THE LTC1067, SIDES A OR B
LOWPASS
NOTCH
OUTPUT
RG
RL
RH
fO =
fn =
HOLPn (f = 0)=
+
fCLK
RATIO
fCLK
RATIO
√ RH
RL
1 +
R2
R1
RG
RL
RG
RH
()
1
R2
R4
1 +
( )
√ R2
R4
1 +
Q = 1.005
R3
R2
( )√ R2
R4
1 +
NOTE: RATIO = 100 FOR LTC1067
= 50 FOR LTC1067-50
R3
(RATIO)(0.32)(R4)
(
)
1
1 –
相关PDF资料 |
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|---|---|
| LTC1067-50CS#TR | IC FILTR BLD BLK DUAL R-R 16SOIC |
| LTC1067-50CS | IC FILTR BLDNGBLK R-R DUAL16SOIC |
| LTC1067CS | IC FILTR BLDNGBLK R-R DUAL16SOIC |
| LTC1060CSW | IC FILTER BUILDING BLOCK 20-SOIC |
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相关代理商/技术参数 |
参数描述 |
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| LTC1067-50IGN | 功能描述:IC FILTR BLDNGBLK R-R DUAL16SSOP RoHS:否 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) |
| LTC1067-50IGN#PBF | 功能描述:IC FILTR BLDNGBLK R-R DUAL16SSOP 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) |
| LTC1067-50IGN#TR | 功能描述:IC FILTR BLD BLK DUAL R-R 16SSOP RoHS:否 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) |
| LTC1067-50IGN#TRPBF | 功能描述:IC FILTR BLDNGBLK R-R DUAL16SSOP 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) |
| LTC1067-50IS | 功能描述:IC FILTR BLDNGBLK R-R DUAL16SOIC RoHS:否 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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