BA6810S Rohm, BA6810S Datasheet

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BA6810S

Manufacturer Part Number
BA6810S
Description
Fluorescent display tube level meter driver, 12-point x 2-channel, VU scale, bar display
Manufacturer
Rohm
Datasheet

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The BA6810F is a two-channel, 12-point fluorescent display tube driver for VU-scale bar-level meters.
It uses a dynamic-drive system and has both AC and DC inputs. The AC input mode has a peak hold circuit. The IC
features a power-on mute, and the output block can directly drive fluorescent display tubes, so few external components
are required, allowing cost and space savings while improving reliability. The grid output duty cycle is 1 / 8.
FApplications
Level meters for all types of AV equipment
FFeatures
1) Uses dynamic-drive system to display two 12-point
2) AC and DC inputs provided. Switching function al-
3) Upper 8 points have peak hold function in AC mode
4) Power-on mute function.
FBlock diagram
790
Fluorescent display tube level meter
driver, 12-point
bar display
BA6810F
Audio ICs
channels. 28-pin SOP package.
lows two-mode display.
(two seconds typ.).
2 channel, VU scale,
5) Forced-mute function.
6) Terminal for meter sensitivity adjustment provided
7) I
8) Square root compression amplifier built in.
9) Dynamic-drive system reduces the power dissipa-
(adjustment with one terminal is possible).
tion of the fluorescent display tube power supply.
2
L injector current terminal provided.

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BA6810S Summary of contents

Page 1

Audio ICs Fluorescent display tube level meter driver, 12-point bar display BA6810F The BA6810F is a two-channel, 12-point fluorescent display tube driver for VU-scale bar-level meters. It uses a dynamic-drive system and has both AC and DC inputs. The AC ...

Page 2

Audio ICs FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions BA6810F 791 ...

Page 3

Audio ICs FElectrical characteristics (unless otherwise noted 25_C and V 792 BA6810F = 5.0V) CC ...

Page 4

Audio ICs BA6810F 793 ...

Page 5

Audio ICs FMeasurement circuit FApplication example 794 BA6810F ...

Page 6

Audio ICs FCircuit operation (1) Input block The AC input pins are pins 23 and 25, and the DC input pins are pins 27 and 28. Pin 2 is used to switch between the AC and DC inputs. When the ...

Page 7

Audio ICs FElectrical characteristics curves FExternal dimensions (Units: mm) 796 BA6810F ...

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