Meter Driver. BA6104 Datasheet

BA6104 Driver. Datasheet pdf. Equivalent

Part BA6104
Description LED Level Meter Driver
Feature www.DataSheet4U.com Audio ICs LED level meter driver, 5-point, linear scale BA6104 The BA6104 is a.
Manufacture ROHM Electronics
Datasheet
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BA6104
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Audio ICs
LED level meter driver, 5-point,
linear scale
BA6104
The BA6104 is a monolithic driver IC for LED level meters applications.
The IC has five comparators that operate in equally-spaced steps in response to the input voltage, and drive bar-display
output LEDs.
When the reference voltage generator is not set (pin 7 open), the comparators operate in 200mV (approx.) steps, so
an input level of about 1V lights all of the LEDs. By connecting external resistors between pin 7 and GND. and pin 7 and
VCC, this level can be adjusted over the range 0.5V to 3.0V.
FApplications
Signal meters, tuning meters and voltage checkers.
DataShee
FFeatures
1) Drives an LED bar display in proportion to the input
3) The input level at which all LEDs light can be set in
level.
DataSheet4U.ctohemrange 0.5V to 3.0V using external resistors.
2) The output current can be set to a maximum of 15mA
4) High input impedance.
using external resistors, allowing free selection of the
5) Easy-to-handle 9-pin SIP package.
type and color of the LEDs.
FBlock diagram
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BA6104
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Audio ICs
FInternal circuit configuration
BA6104
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FAbsolute maximum ratings (Ta = 25_C)
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FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 12V)
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622
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