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參數(shù)資料
| 型號： | LT1204CN#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO MUX CFA 75MHZ 4IN 16DIP |
| 標準包裝： | 25 |
| 應(yīng)用： | 4:1 多路復用器-放大器 |
| 電路數(shù)： | 1 |
| -3db帶寬： | 75MHz |
| 轉(zhuǎn)換速率： | 1000 V/µs |
| 電流 - 電源： | 19mA |
| 電流 - 輸出 / 通道： | 125mA |
| 電壓 - 電源，單路/雙路(±)： | 10 V ~ 30 V，±5 V ~ 15 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 16-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 16-PDIP |
| 包裝： | 管件 |
12
LT1204
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
When the decoder turns off the tee switch (Q2 on) the
emitter base junctions of Q1 and Q3 become reverse-
biased while Q2 emitter absorbs current from I1. Not only
do the reverse-biased emitter base junctions provide good
isolation, but any signal at VIN0 coupling to Q1 emitter is
further attenuated by the shunt impedance of Q2 emitter.
Current from I2 is routed to any on switch.
Crosstalk performance is a strong function of the IC
package, the PC board layout as well as the IC design. The
die layout utilizes grounds between each input to isolate
adjacent channels, while the output and feedback pins are
on opposite sides of the die from the input. The layout of
a PC board that is capable of providing – 90dB all hostile
crosstalk at 10MHz is not trivial. That level corresponds to
a 30
V output below a 1V input at 10MHz. A demonstra-
tion board has been fabricated to show the component and
ground placement required to attain these crosstalk num-
bers. A graph of all hostile crosstalk for both the PDIP and
SO packages is shown. It has been found empirically from
these PC boards that capacitive coupling across the pack-
age of greater than 3fF (0.003pF) will diminish the rejec-
tion, and it is recommended that this proven layout be
copied into designs. The key to the success of the SO PC
board #028 is the use of a ground plane guard around Pin
13, the feedback pin.
PDIP PC Board #029, Component Side
1204 AI09
GND
V–
V+
(408) 432-1900
LT1204 VIDEO MUX
DEMONSTRATION BOARD
VIN0
VIN1
VIN2
VIN3
R1
R2
R6
C4
C2
C1
C3
U1
R3
RF
RO
VOUT
ENABLE
R1
R0
S/D
REF
+
FREQUENCY (MHz)
1
–120
ALL
HOSTILE
CROSSTALK
(dB)
–100
–80
–60
–40
10
100
1204 AI07
–20
VS = ±15V
VIN0 = GND
VIN1,2,3 = 0dBm
RL = 100
PDIP
DEMO PCB #029
SO
DEMO PCB #028
All Hostile Crosstalk
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| LT1204CN | IC VIDEO MUX CFA 75MHZ 4IN 16DIP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1204CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Channel Analog Multiplexer |
| LT1204CSW | 功能描述:IC VIDEOMUX CFA 75MHZ 4IN 16SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應(yīng)用:驅(qū)動器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| LT1204CSW#PBF | 功能描述:IC VIDEOMUX CFA 75MHZ 4IN 16SOIC RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 應(yīng)用:TFT-LCD 面板：VCOM 驅(qū)動器 輸出類型:滿擺幅 電路數(shù):1 -3db帶寬:35MHz 轉(zhuǎn)換速率:40 V/µs 電流 - 電源:3.7mA 電流 - 輸出 / 通道:1.3A 電壓 - 電源，單路/雙路(±):9 V ~ 20 V，±4.5 V ~ 10 V 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤 供應(yīng)商設(shè)備封裝:8-uMax-EP 包裝:管件 |
| LT1204CSW#PBF | 制造商:Linear Technology 功能描述:IC SM OP AMP VIDEO |
| LT1204CSW#TR | 功能描述:IC MUX VIDEO 75MHZ 4INPUT 16SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標準包裝:1,000 系列:- 應(yīng)用:驅(qū)動器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
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