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參數(shù)資料
| 型號(hào)： | ADA4853-3YRUZ-RL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | Low Power, Rail-to-Rail Output, Video Op Amp with Ultralow Power Disable |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO14 |
| 封裝： | ROHS COMPLIANT, MO-153AB-1, TSSOP-14 |
| 文件頁(yè)數(shù)： | 15/16頁(yè) |
| 文件大?。?/td> | 436K |
| 代理商： | ADA4853-3YRUZ-RL |
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ADA4853-1/ADA4853-2/ADA4853-3
APPLICATIONS
SINGLE-SUPPLY VIDEO AMPLIFIER
With low differential gain and phase errors and wide 0.5 dB
flatness, the ADA4853-1/ADA4853-2/ADA4853-3 are ideal
solutions for portable video applications. Figure 51 shows a
typical video driver set for a noninverting gain of +2, where
R
F
= R
G
= 1 kΩ. The video amplifier input is terminated into a
shunt 75 Ω resistor. At the output, the amplifier has a series
75 Ω resistor for impedance matching to the video load.
When operating in low voltage, single-supply applications, the
input signal is only limited by the input stage headroom.
Rev. B | Page 15 of 16
75
CABLE
V
OUT
75
75
V
IN
R
G
R
F
+V
S
P
D
U1
C1
2.2μF
C2
0.01μF
0
+
V
Figure 51. Video Amplifier
POWER SUPPLY BYPASSING
Attention must be paid to bypassing the power supply pins of
the ADA4853-1/ADA4853-2/ADA4853-3. High quality capacitors
with low equivalent series resistance (ESR), such as multilayer
ceramic capacitors (MLCCs), should be used to minimize
supply voltage ripple and power dissipation. A large, usually
tantalum, 2.2 μF to 47 μF capacitor located in proximity to the
ADA4853-1/ADA4853-2/ADA4853-3 is required to provide
good decoupling for lower frequency signals. The actual value is
determined by the circuit transient and frequency requirements.
In addition, 0.1 μF MLCC decoupling capacitors should be
located as close to each of the power supply pins as is physically
possible, no more than inch away. The ground returns should
terminate immediately into the ground plane. Locating the bypass
capacitor return close to the load return minimizes ground loops
and improves performance.
LAYOUT
As is the case with all high speed applications, careful attention
to printed circuit board (PCB) layout details prevents associated
board parasitics from becoming problematic. The ADA4853-1/
ADA4853-2/ADA4853-3 can operate up to 100 MHz; therefore,
proper RF design techniques must be employed. The PCB
should have a ground plane covering all unused portions of
the component side of the board to provide a low impedance
return path. Removing the ground plane on all layers from the
area near and under the input and output pins reduces stray
capacitance. Signal lines connecting the feedback and gain
resistors should be kept as short as possible to minimize the
inductance and stray capacitance associated with these traces.
Termination resistors and loads should be located as close as
possible to their respective inputs and outputs. Input and output
traces should be kept as far apart as possible to minimize
coupling (crosstalk) through the board. Adherence to microstrip or
stripline design techniques for long signal traces (greater than 1
inch) is recommended. For more information on high speed
board layout, go to: www.analog.com to view
A Practical Guide
to High-Speed Printed-Circuit-Board Layout
.
相關(guān)PDF資料 |
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| ADA4860-1 | High Speed, Low Cost, Op Amp |
| ADA4860-1YRJZ-R2 | High Speed, Low Cost, Op Amp |
| ADA4860-1YRJZ-RL | High Speed, Low Cost, Op Amp |
| ADA4860-1YRJZ-RL7 | High Speed, Low Cost, Op Amp |
| ADA4861-3YRZ-RL | High Speed, Low Cost, Triple Op Amp |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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| ADA4855-3YCPZ-R2 | 制造商:Analog Devices 功能描述:OP Amp Triple Volt Fdbk R-R O/P 5.5V 16-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:OP AMP TRIPLE VOLT FDBK R-R O/P 5.5V 16LFCSP EP - Tape and Reel 制造商:Analog Devices 功能描述:IC OP-AMP 410MHZ 870V/ us LFCSP-16 制造商:Analog Devices 功能描述:IC, OP-AMP, 410MHZ, 870V/ us, LFCSP-16; Op Amp Type:High Speed; No. of Amplifiers:3; Slew Rate:870V/s; Supply Voltage Range:3V to 5.5V; Amplifier Case Style:LFCSP; No. of Pins:16; Bandwidth:410MHz; Operating Temperature Min:-40C ;RoHS Compliant: Yes |
| ADA4855-3YCPZ-R7 | 功能描述:IC OPAMP VF R-R TRPL LP 16LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:帶卷 (TR) |
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