파트넘버.co.kr BA6822F 데이터시트 PDF


BA6822F 반도체 회로 부품 판매점

LED level meter driver/ 12-point x 2 channel/ VU scale/ bar display



ROHM Semiconductor 로고
ROHM Semiconductor
BA6822F 데이터시트, 핀배열, 회로
Audio ICs
LED level meter driver, 12-point
channel, VU scale, bar display
BA6820F / BA6822S / BA6822F
2
The BA6820F, BA6822S and BA6822F are two-channel, 12-point LED drivers for VU-scale bar-level meters.
The ICs are available in 22-pin SOP (BA6820F and BA6822F) and 22-pin shrink-DIP (BA6822S) packages, and use
a dynamic-drive system that can drive two 12-point displays. The ICs have independent AC and DC inputs, and the AC
input mode has a peak hold circuit (with cancel function). The ICs also feature a power-on mute, so steps to prevent
erroneous LED lighting at power on are not required.
The input resistance of the AC inputs is 3k(Typ.) for the BA6820F and 0.3k(Typ.) for the BA6822S / F.
FApplications
Level meters for VCRs, stereo cassette players, audio
amplifiers and karaoke equipment.
FFeatures
1) Uses dynamic-drive system to display two 12-point
channels. 22-pin SOP and 22-pin shrink DIP pack-
ages.
2) Independent AC and DC inputs provided (one input
displays one channel). Switching function allows
two-mode display.
3) Upper 8 points have peak hold function in AC mode
(two seconds). A peak-hold cancel function is also
provided.
4) A mute function is provided, and muting can be ap-
plied externally.
5) Power on mute function.
662


BA6822F 데이터시트, 핀배열, 회로
Audio ICs
FBlock diagram
BA6820F / BA6822S / BA6822F
FAbsolute maximum ratings
(BA6820F / BA6822F) (Ta = 25_C)
(BA6822S) (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
663




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BA6822F driver

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LED level meter driver/ 12-point x 2 channel/ VU scale/ bar display - ROHM Semiconductor



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