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參數(shù)資料
| 型號： | HA5024IBZ96 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Quad 125MHz Video Current Feedback Amplifier with Disable |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO20 |
| 封裝： | ROHS COMPLIANT, SOIC-20 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 422K |
| 代理商： | HA5024IBZ96 |
9
3550.6
February 8, 2006
Referring to Figure 10, both inputs are terminated in their
characteristic impedance; 75
is typical for video
applications. Since the drivers usually are terminated in their
characteristic impedance the input gain is 0.5, thus the
amplifiers, U
2
, are configured in a gain of +2 to set the circuit
gain equal to one. Resistors R
2
and R
3
determine the amplifier
gain, and if a different gain is desired R
2
should be changed
according to the equation G = (1 + R
3
/R
2
). R
3
sets the
frequency response of the amplifier so you should refer to the
manufacturers data sheet before changing its value. R
5
, C
1
and D
1
are an asymmetrical charge/discharge time circuit
which configures U
1
as a break before make switch to prevent
both amplifiers from being active simultaneously. If this design
is extended to more channels the drive logic must be designed
to be break before make. R
4
is enclosed in the feedback
loop of the amplifier so that the large open loop amplifier
gain of U
2
will present the load with a small closed loop
output impedance while keeping the amplifier stable for all
values of load capacitance.
The circuit shown in Figure 10 was tested for the full range of
capacitor values with no oscillations being observed; thus,
problem one has been solved.The frequency and gain
characteristics of the circuit are now those of the amplifier
independent of any multiplexing action; thus, problem two
has been solved. The multiplexer transition time is
approximately 15
μ
s with the component values shown.
INPUT B
+
-
-5V
+
-
+5V
INHIBIT
CHANNEL
SWITCH
INPUT A
R
1A
75
R
1B
75
D
1A
1N4148
U
1C
U
1A
U
1B
U
1D
R
6
100K
R
5A
2000
C
1A
0.047
μ
F
R
5B
2000
D
1B
1N4148
R
1A
681
1
23
4
16
R
3A
681
R
4A
27
0.01
μ
F
R
2B
681
R
4B
27
R
3B
681
0.01
μ
F
OUTPUT
7
6
5
13
10
U
2B
U
2A
C
1B
0.047
μ
F
NOTES:
22. U
2
: HA5022/24.
23. U
1
: CD4011.
FIGURE 10. LOW IMPEDANCE MULTIPLEXER
100
(NOTE 17)
100
(NOTE 17)
HA5024
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA5024IP | 功能描述:IC AMP VIDEO 125MHZ QUAD 20-PDIP 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(biāo)準(zhǔn)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) |
| HA5024IPZ | 功能描述:視頻放大器 W/ANNEAL OPAMP 4X 12 5MHZ CFB DISABLE RoHS:否 制造商:ON Semiconductor 通道數(shù)量:4 電源類型: 工作電源電壓:3.3 V, 5 V 電源電流: 最小工作溫度: 最大工作溫度: 封裝 / 箱體:TSSOP-14 封裝:Reel |
| HA5025 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad, 125MHz Video Current Feedback Amplifier |
| HA5025 WAF | 制造商:Harris Corporation 功能描述: 制造商:Intersil Corporation 功能描述: |
| HA5025_03 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad, 125MHz Video Current Feedback Amplifier |
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