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參數(shù)資料
| 型號： | LT1567IMS8#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 16/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BLOCK BUILD FLTR LONOIS 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | ADC 驅(qū)動器 |
| 應(yīng)用： | 濾波器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 帶卷 (TR) |
LT1567
9
1567fa
The simple-to-use spreadsheet requires the user to de-
fine the desired corner (or center) frequency, the pass-
band gain and a capacitor value for a choice of second or
third order Chebyshev or Butterworth lowpass or second
order bandpass filters.
The spreadsheet outputs the required external standard
component values and provides a circuit diagram.
Signal Ground
Both operational amplifiers within the LT1567 are de-
signed for inverting operation (constant common mode
APPLICATIO S I FOR ATIO
WU
U
input) and they share a single reference node on the chip.
Two pins permit access to this node: DC BIAS and
BYPASS. For a clean reference over a wide bandwidth, the
normal procedure is to connect DC BIAS to a DC potential
or ground and BYPASS to a decoupling capacitor that
returns to a ground plane.
Differential Output Feature
The multiple feedback filter section of Figure 1 inherently
includes two outputs of opposite signal polarity: a DC
inverting output from the OA (Pin 1) and a DC noninverting
DESIGN EQUATIONS FOR fCENTER ≤ 1MHz
fCENTER IS THE FILTER’S CENTER FREQUENCY
fCENTER =
√GN + 1
2
π R2 C1
MAXIMUM fCENTER = 5MHz/GAIN
GN IS GAIN AT fCENTER = R3/R1, R2 = R3, C1 = C2
C1
≤ √
GN + 1
2500 fC
R3 =
√GN + 1
2
π C1 fCENTER
–3dB BANDWIDTH =
fCENTER
√GN + 1
–
+
–
+
7
VOUT
+
VOUT
–
6
600
600
2
1
C1
3
5
8
VIN
LT1567
0.1
F
7pF
C2
R3
150
V+
R1
R2
0.1
F
4
V–
0.1
F
1567 F02a
FREQUENCY (Hz)
50k
–15
GAIN
(dB)
–5
5
25
500k
5M
1567 F02b
15
–10
0
20
10
GAIN IS MEASURED TO EITHER OUTPUT ALONE.
IF OUTPUT USED DIFFERENTIALLY, VOUT
+ – V
OUT
– = 2× VIN
Figure 2. 2nd Order Bandpass Filter and Gain Response for fC = 500kHz,
Gain = 10 (C1 = C2 = 1000pF, R2 = R3 = 1.05k, R1 = 105
)
Gain vs Frequency
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| LT1568CGN#TR | 功能描述:IC BLOCK BUILD FLTR LONOS 16SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數(shù):4 濾波器階數(shù):8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) |
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