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| 型号： | MAX9504AEUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC AMP VIDEO HI CUR SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 通用 |
| 电路数： | 1 |
| -3db带宽： | 47MHz |
| 转换速率： | 165 V/µs |
| 电流 - 电源： | 5mA |
| 电流 - 输出 / 通道： | 110mA |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
MAX9504A/MAX9504B
3V/5V, 6dB Video Amplifiers with
High Output-Current Capability
12
______________________________________________________________________________________
AC Output Coupling and Sag Correction
The MAX9504 can use the sag configuration if the out-
put requires AC-coupling and VCC ≥ 4.5V. Sag correc-
tion refers to the low-frequency compensation for the
highpass filter formed by the 150 load and the output
capacitor. In video applications, the cutoff frequency
must be less than 5Hz in order to pass the vertical sync
interval and avoid field time distortion (field tilt). In the
simplest configuration, a very large coupling capacitor
(> 220F typically) is used to achieve the 5Hz cutoff
frequency. In the sag configuration, two smaller capaci-
tors are used to replace the very large coupling capaci-
tor (see Figure 8). For VCC ≥ 4.5V, C5 and C6 are 22F
capacitors.
Layout and Power-Supply Bypassing
The MAX9504A/MAX9504B operate from a single 2.7V
to 5.5V supply. Bypass the supply with a 0.1F capaci-
tor as close to VCC possible. Maxim recommends using
microstrip and stripline techniques to obtain full band-
width. To ensure that the PC board does not degrade
the device’s performance, design it for a frequency
greater than 1GHz. Pay careful attention to inputs and
outputs to avoid large parasitic capacitance. Whether
or not you use a constant-impedance board, observe
the following design guidelines:
Do not use wire-wrap boards; they are too inductive.
Do not use IC sockets; they increase parasitic capaci-
tance and inductance.
Use surface-mount instead of through-hole compo-
nents for better, high-frequency performance.
Use a PC board with at least two layers; it should be
as free from voids as possible.
Keep signal lines as short and as straight as possible.
Do not make 90° turns; round all corners.
R2
150
R1
150
C1
120pF
C2
120pF
L1
4.7H
C3
6.8pF
R3
75
C5
22F
C6
22F
C7
0.1F
IN
OUT
GND
FB
SHDN
VCC
VOUT
VIDEO
CURRENT
DAC
3-POLE RECONSTRUCTION LPF
MAX9504
Figure 8. SAG Correction Configuration
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9504BELT | 制造商:Maxim Integrated Products 功能描述:3V/5V 6DB VIDEO AMPLIFIERS WITH HI - Rail/Tube |
| MAX9504BELT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9504BELT+T | 功能描述:视频放大器 3V/5V 6dB Video Amplifier RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX9504BELT-T | 功能描述:视频放大器 RoHS:否 制造商:ON Semiconductor 通道数量:4 电源类型: 工作电源电压:3.3 V, 5 V 电源电流: 最小工作温度: 最大工作温度: 封装 / 箱体:TSSOP-14 封装:Reel |
| MAX9504BEUT+ | 制造商:Maxim Integrated Products 功能描述:VID AMP SGL 3V/5V 6PIN SOT-23 - Rail/Tube |
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