Datasheet > BA682A

BA682A

更新时间： 2024-01-25 18:27:47

品牌	Logo	应用领域
罗姆 - ROHM		驱动器
页数	文件大小	规格书
5页	87K
描述
LED level meter driver, 12-point, VU scale, dot or bar display

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BA682A 技术参数

Audio ICs

LED level meter driver, 12–point,

VU scale, dot or bar display

BA682A

The BA682A is a monolithic IC for LED level meter applications.

The display level range is 13mV^rmsto 327mVrms (Typ.), the 0dB level is 130mVrms (Typ.) and the VU display is -20dB to

+8dB.

The constant current outputs can be set using external components allowing use of different color LEDs in various com-

binations.

FApplications

Level meters for all types of audio equipment applications

FFeatures

1) 12-point VU display meter driver for bar/dot displays.

2) Fixed-current outputs that can directly drive LEDs.

3) Output current can be set using external resistors al-

lowingdifferent types of LEDs to be used in combina-

tion.

4) Built-in half-wave rectifier amplifier.

5) LED on and off timing can be set using an external

capacitor and resistor.

6) With bar-type display, by connecting four LEDs in se-

ries, power dissipation is reduced.

FAbsolute maximum ratings (Ta = 25_C)

640

12 3 4 5

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