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| 型号： | MAX4029EUP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/13页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO MUX-AMP 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 应用： | 2:1 多路复用器-放大器 |
| 电路数： | 4 |
| -3db带宽： | 210MHz |
| 转换速率： | 300 V/µs |
| 电流 - 电源： | 38mA |
| 电流 - 输出 / 通道： | 30mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX4029EUP+TDKR |
Detailed Description
The MAX4028/MAX4029 are 5V, triple/quad, 2:1 voltage-
feedback multiplexer-amplifiers with input clamps and a
fixed gain of +2V/V (6dB). Channel 1 (IN1A and IN1B)
inputs are clamped to the video sync tip of the input
IN1_ channel, while the remaining inputs can be
clamped to either the video sync tip of the respective
input channel (IN_A and IN_B) or the video sync of
channel 1 (IN1_). The latter is referred to as a key
clamp and is pin selectable. Selectable clamp/key-
clamp inputs and fixed-gain video output buffers make
the MAX4028/MAX4029 ideal for video-source switching
applications such as automotive entertainment systems,
video projectors, and displays/TVs. Both devices have
20ns channel switching times and low ±10mVP-P switch-
ing transients, making them ideal for both high-speed
video switching applications such as OSD insertion.
The MAX4028/MAX4029 have a -3dB large-signal (2VP-P)
bandwidth of 130MHz, a -3dB small-signal bandwidth of
210MHz, and a 300V/s slew rate. Low differential gain
and phase errors of 0.2% and 0.4°, respectively, make
these devices ideal for broadcast video applications.
Sync Tip and Key Clamps
The MAX4028/MAX4029 have AC-coupled inputs, with
either a sync tip or key clamp to provide bias for the
video signal. Channel 1 of the MAX4028/MAX4029
always has a sync tip clamp at the input, while the
remaining channels are selectable as either sync tip or
key clamps to accommodate the various video wave-
forms (see the Clamp/Key-Clamp Settings for Video
Formats section). The value of the sync-tip clamp voltage
is set internally for the lowest value, consistent with linear
operation, and cannot be adjusted. The key-clamp volt-
age is adjustable, to compensate for variations in the
voltage between component video inputs such as Linear
RGB, YPbPr, and Y-C, by varying RKEYREF. The key-
clamp voltage can be computed from:
VKey-Clamp = 0.40 + 2000/[(5000 x RKEYREF) /
(5000 + RKEYREF)]
MAX4028/MAX4029
Triple/Quad, 2:1 Video
Multiplexer-Amplifiers with Input Clamps
_______________________________________________________________________________________
7
Pin Description (continued)
PIN
MAX4028
MAX4029
NAME
FUNCTION
15
18
OUT1
Amplifier Output 1
16
19
DISABLE
Disable Input. Pull
DISABLE high for normal operation. Drive DISABLE low to disable
all outputs.
—20
CLAMP/
KEY_4
Output 4 Clamp or Key-Clamp Input. Drive CLAMP/
KEY_4 high to clamp OUT4.
Drive CLAMP/
KEY_4 low to key clamp OUT4.
MAX4029
IN1A
OUT1
CLAMP
VCC
1k
1k
IN1B
CLAMP
IN2A
IN2B
OUT2
DISABLE
CLAMP/KEY_2
1k
1k
KEYREF
CLAMP
VOLTAGE
CLAMP/
KEY
CLAMP
CLAMP/
KEY
CLAMP
IN3A
IN3B
OUT3
CLAMP/KEY_3
1k
1k
CLAMP/
KEY
CLAMP
CLAMP/
KEY
CLAMP
IN4A
A/B
IN4B
GND
OUT4
CLAMP/KEY_4
1k
1k
CLAMP/
KEY
CLAMP
CLAMP/
KEY
CLAMP
Figure 1. MAX4029 Functional Diagram
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4029EVKIT | 制造商:Maxim Integrated Products 功能描述:TRIPLE/QUAD, 2:1 VIDEO MULTIPLEXER-AMPLIFIERS - Bulk |
| MAX4029EWP | 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 |
| MAX4029EWP+ | 功能描述:视频放大器 Triple & Quad 2:1 Video MUX-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 |
| MAX4029EWP+T | 功能描述:视频放大器 Triple & Quad 2:1 Video MUX-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 |
| MAX4029EWP-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 |
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