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参数资料
| 型号： | V62/09616-01XE |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | 4-CHANNEL, SGL ENDED MULTIPLEXER, PDSO14 |
| 封装： | PLASTIC, MS-012AB, SOIC-14 |
| 文件页数： | 1/25页 |
| 文件大小： | 860K |
| 代理商： | V62/09616-01XE |
OP
A4872
1
FEATURES
APPLICATIONS
SUPPORTS DEFENSE, AEROSPACE,
DESCRIPTION
www.ti.com........................................................................................................................................................................................... SBOS444 – DECEMBER 2008
4:1 HIGH-SPEED MULTIPLEXER
Video Router
2
500-MHz Small-Signal Bandwidth
LCD and Plasma Display
500-MHz, 2-V
PP Bandwidth
High Speed PGA
0.1-dB Gain Flatness to 120 MHz
Drop-In Upgrade to AD8174
10-ns Channel-Switching Time
Low Switching Glitch: 40 mV
PP
2300-V/s Slew Rate
AND MEDICAL APPLICATIONS
0.035%/0.005° Differential Gain, Phase
Controlled Baseline
Quiescent Current = 10.6 mA
One Assembly/Test Site
1.1-mA Quiescent Current in Shutdown Mode
One Fabrication Site
Available in Military (–55°C/125°C),
88-dB Off Isolation in Disable or Shutdown
Temperature Range(1)
(10 MHz)
Extended Product Life Cycle
Extended Product-Change Notification
Product Traceability
(1)
Additional temperature ranges available - contact factory
The OPA4872 offers a very wideband 4:1 multiplexer in an SO-14 package. Using only 10.6 mA, the OPA4872
provides a user-settable output amplifier gain with greater than 500-MHz large-signal bandwidth (2 VPP). The
switching glitch is improved over earlier solutions using a new (patented) input stage switching approach. This
technique uses current steering as the input switch while maintaining an overall closed-loop design. The
OPA4872 exhibits an off isolation of 88dB in either Disable or Shutdown mode. With greater than 500-MHz
small-signal bandwidth at a gain of 2, the OPA4872 gives a typical 0.1-dB gain flatness to greater than 120 MHz.
System power may be optimized using the chip-enable feature for the OPA4872. Taking the chip enable (EN)
line high powers down the OPA4872 to less than 3.4 mA total supply current. Further power reduction to 1.1mA
quiescent current can be achieved by bringing the shutdown (SD) line high. Muxing multiple OPA4872s outputs
together, then using the chip enable to select which channels are active, increases the number of possible
inputs.
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2008, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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