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BA682A Datasheet

  • BA682A

  • LED level meter driver, 12-point, VU scale, dot or bar displ...

  • 5頁

  • ROHM

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Audio ICs
LED level meter driver, 12鈥損oint,
VU scale, dot or bar display
BA682A
The BA682A is a monolithic IC for LED level meter applications.
The display level range is 13mV
rms
to 327mV
rms
(Typ.), the 0dB level is 130mV
rms
(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-
lowing different 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

BA682A 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 散裝

  • 停產(chǎn)

  • LED

  • 點/條顯示器

  • -

  • 12 點

  • 5 mA

  • 10V ~ 14V

  • -25°C ~ 75°C

  • 通孔

  • 18-DIP(0.300",7.62mm)

  • 18-DIP

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