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參數(shù)資料
| 型號： | LTC6403CUD-1#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP/DRIVER LN LP 16-QFN |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | ADC 驅(qū)動(dòng)器 |
| 應(yīng)用： | 數(shù)據(jù)采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 16-QFN-EP（3x3） |
| 包裝： | 帶卷 (TR) |
LTC6403-1
16
64031fa
Noise Considerations
The LTC6403-1’s input referred voltage noise is on the
order of 2.8nV/√Hz. Its input referred current noise is on
the order of 1.8pA/√Hz. In addition to the noise generated
by the amplier, the surrounding feedback resistors also
contribute noise. A noise model is shown in Figure 9.
The output noise generated by both the amplier and the
feedback components is governed by the equation:
e
R
IR
e
no
ni
F
I
nF
n
=
+
+
() +
12
2
R
RI
F
I
nRF
R
e
+
2
A plot of this equation, and a plot of the noise generated
by the feedback components for the LTC6403-1 is shown
in Figure 10.
The LTC6403-1’s input referred voltage noise contributes
the equivalent noise of a 480
Ωresistor.Whenthefeedback
network is comprised of resistors whose values are less
than this, the LTC6403-1’s output noise is voltage noise
dominant (See Figure 10.):
ee
R
no
ni
F
I
≈+
1
Feedback networks consisting of resistors with values
greater than about 1k will result in output noise which is
resistor noise and amplier current noise dominant.
eI
R
kT R
no
n
F
I
F
≈
() ++
21
4
2
Lower resistor values (<400
Ω)alwaysresultinlowernoise
at the penalty of increased distortion due to increased
loading of the feedback network on the output. Higher
APPLICATIONS INFORMATION
Figure 9. Noise Model of the LTC6403-1
–
+
1
SHDN
5
6
–IN
7
+OUT
8
+OUTF
16
15
+IN
NC
14
–OUT
13
–OUTF
eno
2
RF2
2
V+
3
V–
V+
V–
V+
V–
VOCM
12
V–
11
V+
10
V+
9
V–
64031 F09
LTC6403-1
enof
2
enRI2
2
SHDN
RF1
RI2
RI1
V–
V+
V–
4
enRF2
2
enRI1
2
encm
2
eni
2
enRF1
2
in
+2
in
–2
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參數(shù)描述 |
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| LTC6403IUD-1#PBF | 功能描述:IC AMP/DRIVER LN LP 16-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:可變增益放大器 應(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC6403IUD-1#TRPBF | 功能描述:IC AMP/DRIVER LN LP 16-QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:可變增益放大器 應(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC6403IUD-1-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:200MHz, Low Noise, Low Power Fully Differential Input/Output Amplifi er/Driver |
| LTC6403IUD-1-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:200MHz, Low Noise, Low Power Fully Differential Input/Output Amplifi er/Driver |
| LTC6404 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:600MHz, Low Noise, High Precision Fully Differential Input/Output Amplifi er/Driver |
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