OPA361

更新时间： 2024-11-23 12:11:19

品牌	Logo	应用领域
德州仪器 - TI		视频放大器
页数	文件大小	规格书
17页	618K
描述
3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70

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OPA361 数据手册

OPA361

SBOS334A − SEPTEMBER 2005 − REVISED JANUARY 2006

3V VIDEO AMPLIFIER

with Internal Gain and Filter in SC70

F_DEATURES

DESCRIPTION

EXCELLENT VIDEO PERFORMANCE

INTERNAL GAIN: 5.2V/V

The OPA361 high-speed amplifier is optimized for 3V

portable video applications. It is specifically designed to be

compatible with the video encoders embedded in Texas

Instruments’ OMAP2420 and DaVinci processors or other

SUPPORTS TV-DETECTION

COMPATIBLE WITH OMAP242x and

application processors with 0.5V video output. The input

DAVINCIE PROCESSORS

common-mode range includes GND, which allows a

video-DAC (digital-to-analog converter) to be DC-coupled

to the OPA361. The TV-detection feature simplifies the

end-user interface significantly by facilitating the

automatic start/stop of video transmission.

2-POLE RECONSTRUCTION FILTER

INPUT RANGE INCLUDES GROUND

− DC-Coupled Input

INTEGRATED LEVEL SHIFTER

− DC-Coupled Output

− No Output Capacitors Needed

(1)

The output swings within 5mV of GND and 250mV to V+

with a standard back-terminated video load (150Ω). An

internal level shift circuit prevents the output from

saturating with 0V input, thus preventing sync-pulse

clipping in common video circuits. Therefore, the OPA361

is ideally suited for DC-coupling to the video load.

RAIL-TO-RAIL OUTPUT

LOW QUIESCENT CURRENT: 5.3mA

SHUTDOWN CURRENT: 1.5mA

SINGLE-SUPPLY: 2.5V to 3.3V

SC70-6 PACKAGE: 2.0mm x 2.1mm

RoHS COMPLIANT

The OPA361 has been optimized for space-sensitive

applications by integrating internal gain setting resistors

(G = 5.2V/V) and a 2-pole video-DAC reconstruction filter.

(1)

In shutdown mode, the quiescent current is reduced to

< 1.5µA, dramatically reducing power consumption and

prolonging battery life.

Internal circuitry avoids output saturation, even with 0V sync tip

level at the input video signal.

A_DPPLICATIONS

The OPA361 is available in the tiny 2mm x 2.1mm SC70-6

package.

CAMERA PHONES

V+

OPA361 替代型号

型号	品牌	替代类型	描述	数据表
OPA360	TI	功能相似	采用 SC70 封装、具有低通滤波器、内部 G=2 和 SAG 校正功能的 3V 视频放大
OPA362	TI	功能相似	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70

与OPA361相关器件

型号	品牌	获取价格	描述	数据表
OPA361AIDCKR	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA361AIDCKRG4	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA361AIDCKT	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA361AIDCKTG4	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA361AQDCKRQ1	TI	获取价格	3V Video Amplifier with Internal Gain and Filter in SC70
OPA361-Q1	TI	获取价格	3V Video Amplifier with Internal Gain and Filter in SC70
OPA362	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA362AIDCKR	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA362AIDCKT	TI	获取价格	3V VIDEO AMPLIFIER with Internal Gain and Filter in SC70
OPA363	TI	获取价格	1.8V, 7MHz, 90dB CMRR, SINGLE-SUPPLY, RAIL-TO-RAIL I/O OPERATIONAL AMPLIFIER

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