Datasheet > OPA4872

OPA4872

更新时间： 2024-11-04 04:35:43

品牌	Logo	应用领域
BB		复用器
页数	文件大小	规格书
22页	615K
描述
Triple 2:1 High-Speed Video Multiplexer

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OPA4872 数据手册

OPA3875

SBOS341B–DECEMBER 2006–REVISED DECEMBER 2006

Triple 2:1 High-Speed Video Multiplexer

FEATURES

DESCRIPTION

•

700MHz SMALL-SIGNAL BANDWIDTH

(A_V= +2)

The OPA3875 offers a very wideband, 3-channel, 2:1

multiplexer in a small SSOP-16 package. Using only

11mA/ch, the OPA3875 provides three, gain of +2,

video amplifier channels with > 400MHz large-signal

bandwidth (4V_PP). Gain accuracy and switching glitch

are 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. Gain

matching between each of the 3-channel pairs is

also significantly improved using this technique

(<0.2% gain mismatch). With >700MHz small-signal

bandwidth at a gain of 2, the OPA3875 gives a

typical 0.1dB gain flatness to > 150MHz.

•

425MHz, 4V_PPBANDWIDTH

0.1dB GAIN FLATNESS to 150MHz

4ns CHANNEL SWITCHING TIME

LOW SWITCHING GLITCH: 40mV_PP

3100V/µs SLEW RATE

0.025%/0.025° DIFFERENTIAL GAIN, PHASE

HIGH GAIN ACCURACY: 2.0V/V ±0.4%

APPLICATIONS

•

RGB SWITCHING

System power may be reduced using the chip enable

feature for the OPA3875. Taking the chip enable line

high powers down the OPA3875 to <900µA total

supply current. Muxing multiple OPA3875 outputs

together, then using the chip enable to select which

channels are active, increases the number of

possible inputs to the 3-channel outputs.

LCD PROJECTOR INPUT SELECT

WORKSTATION GRAPHICS

TRIPLE ADC INPUT MUX

DROP-IN UPGRADE TO LT1675

+5V

Where a single channel of the OPA3875 is required,

consider the OPA875.

75W

RGB

OPA3875

Channel 0

75W

SELECT ENABLE RED OUT GREEN OUT BLUE OUT

Off

75W

RGB

Out

OPA3875

(Patented)

75W

OPA3875 RELATED PRODUCTS

RGB

DESCRIPTION

75W

Channel 1

OPA875

OPA4872

OPA3693

Single-Channel OPA3875

Quad 510MHz 4:1 Multiplexer

Triple 650MHz Video Buffer

-5V

Channel

Select

RGB Switching

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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与OPA4872相关器件

型号	品牌	获取价格	描述	数据表
OPA4872-EP	TI	获取价格	4:1 HIGH-SPEED MULTIPLEXER
OPA4872-EP_12	TI	获取价格	4:1 HIGH-SPEED MULTIPLEXER
OPA4872ID	TI	获取价格	12V, 500MHz high-speed op amp with 4:1 high-speed multiplexer 14-SOIC -40 to 85
OPA4872IDG4	TI	获取价格	4:1 High-Speed Multiplexer
OPA4872IDR	TI	获取价格	12V, 500MHz high-speed op amp with 4:1 high-speed multiplexer 14-SOIC -40 to 85
OPA4872IDRG4	TI	获取价格	1-CHANNEL, SGL ENDED MULTIPLEXER, PDSO14, GREEN, PLASTIC, SOIC-14
OPA4872MDREP	TI	获取价格	4:1 HIGH-SPEED MULTIPLEXER
OPA4990	TI	获取价格	四路、40V、1.1MHz、低功耗运算放大器
OPA4990IDR	TI	获取价格	四路、40V、1.1MHz、低功耗运算放大器 \| D \| 14 \| -40 to 125
OPA4990IPWR	TI	获取价格	四路、40V、1.1MHz、低功耗运算放大器 \| PW \| 14 \| -40 to 125

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