BA6104 Rohm, BA6104 Datasheet

BA6104

Manufacturer Part Number

BA6104

Description

LED level meter driver, 5-point, linear scale

Manufacturer

Rohm

Datasheet

1.BA6104.pdf (3 pages)

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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

FApplications

Signal meters, tuning meters and voltage checkers.

FFeatures

1) Drives an LED bar display in proportion to the input

2) The output current can be set to a maximum of 15mA

FBlock diagram

LED level meter driver, 5-point,

linear scale

BA6104

Audio ICs

, this level can be adjusted over the range 0.5V to 3.0V.

level.

using external resistors, allowing free selection of the

type and color of the LEDs.

3) The input level at which all LEDs light can be set in

4) High input impedance.

5) Easy-to-handle 9-pin SIP package.

the range 0.5V to 3.0V using external resistors.

621

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BA6104 Summary of contents

Page 1

... 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 input level of about 1V lights all of the LEDs ...

Page 2

... Audio ICs FInternal circuit configuration FAbsolute maximum ratings (Ta = 25_C) FElectrical characteristics (unless otherwise noted 25_C and V 622 = 12V) CC BA6104 ...

Page 3

... Audio ICs FMeasurement circuit FExternal dimensions (Units: mm) BA6104 623 ...

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