Datasheet > AA8642

AA8642

更新时间： 2022-12-17 00:45:25

品牌	Logo	应用领域
宏海微 - AGAMEM		视频放大器
页数	文件大小	规格书
8页	168K
描述
Dual Video Amplifier with LPF

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AA8642 数据手册

Agamem Microelectronics Inc.

AA8642

PRELIMINARY

Dual Video Amplifier with LPF

ꢀ DESCRIPTION

AA8642 is a dual low pass filter video amplifier with 6db gain, 75Ω output buffer and

SAG correction. The 75Ω buffer is capable of driving two circuits. The SAG could

reduce the output coupling capacitor. It supports 3V and 5V operation voltage and

incorporates high performance 4-stage LPF which is ideal for removing DAC sampling

noise. The power saving circuit provides the power saving function. The IC is available

in 8-pin TSSOP (AA8642AP), 8-pin SOP (AA8642SP) and 8-pin DIP (AA8642PP)

package.

ꢀ FEATURES

ꢀ

APPLICATION

1. Composite video driver with 6dB gain

2. Support 3V and 5V operation voltage

3. Built-in high performance 4-stage LPF

4. Dual channels video amplifier

ꢁ

VCR

Video Camera

Video Player

5. SAG correction function

6. A load sufficient for driving two circuits

7. Low operating current, 18mA typical

8. Internal voltage clamp circuit

9. AC-Couple or DC-Couple output

ꢀ

AA8642 BLOCK DIAGRAM

Vcc

LPF

_Vin28

6dB

Amp

Driver

Vout2

6.75MHZ

750

Vsag2

2.2K

2.0K

LPF

6dB

Amp

_Vin11

Driver

Vout1

6.75MHZ

750

Vsag1

2.2K

2.0K

2007/10/15

AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT

FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM

DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR

CIRCUIT DESRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE

RIGHTS OF OTHERS.

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