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BA682A Datasheet

Part Number BA682A
Manufacturers Rohm
Logo Rohm
Description LED level meter driver/ 12-point/ VU scale/ dot or bar display
Datasheet BA682A DatasheetBA682A Datasheet (PDF)

Audio ICs LED level meter driver, 12–point, VU scale, dot or bar display BA682A The BA682A is a monolithic IC for LED level meter applications. The display level range is 13mVrms to 327mVrms (Typ.), the 0dB level is 130mVrms (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 combinations. FApplications Level meters for all types of audio equipment applications FFeatures 1) 12-point VU disp.

  BA682A   BA682A






Part Number BA6827FS
Manufacturers ROHM Electronics
Logo ROHM Electronics
Description 2-phase motor driver
Datasheet BA682A DatasheetBA6827FS Datasheet (PDF)

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  BA682A   BA682A







Part Number BA6826FS
Manufacturers Rohm
Logo Rohm
Description 2-phase motor driver for VCR cylinder motors
Datasheet BA682A DatasheetBA6826FS Datasheet (PDF)

Motor driver ICs 2-phase motor driver for VCR cylinder motors BA6825FS / BA6826FS The BA6825FS and BA6826FS are direct-drive motor drivers suitable for 2-phase, full-wave linear motors. They consist of a Hall amplifier control circuit and driver circuits. FApplications VCR cylinder motors FFeatures 1) Linear drive system provides low switching noise. 2) Constant supply voltage pin for hall devices. 3) High ratio of output current against control current. (4000 Typ.) FBlock diagram 4) Available.

  BA682A   BA682A







Part Number BA6825FS
Manufacturers Rohm
Logo Rohm
Description 2-phase motor driver for VCR cylinder motors
Datasheet BA682A DatasheetBA6825FS Datasheet (PDF)

Motor driver ICs 2-phase motor driver for VCR cylinder motors BA6825FS / BA6826FS The BA6825FS and BA6826FS are direct-drive motor drivers suitable for 2-phase, full-wave linear motors. They consist of a Hall amplifier control circuit and driver circuits. FApplications VCR cylinder motors FFeatures 1) Linear drive system provides low switching noise. 2) Constant supply voltage pin for hall devices. 3) High ratio of output current against control current. (4000 Typ.) FBlock diagram 4) Available.

  BA682A   BA682A







Part Number BA6822S
Manufacturers Rohm
Logo Rohm
Description LED level meter driver/ 12-point x 2 channel/ VU scale/ bar display
Datasheet BA682A DatasheetBA6822S Datasheet (PDF)

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 a.

  BA682A   BA682A







LED level meter driver/ 12-point/ VU scale/ dot or bar display

Audio ICs LED level meter driver, 12–point, VU scale, dot or bar display BA682A The BA682A is a monolithic IC for LED level meter applications. The display level range is 13mVrms to 327mVrms (Typ.), the 0dB level is 130mVrms (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 combinations. 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 allowing different types of LEDs to be used in combination. 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 series, power dissipation is reduced. FAbsolute maximum ratings (Ta = 25_C) 640 Audio ICs FBlock diagram BA682A FElectrical characteristics (unless otherwise noted, Ta = 25_C and VCC = 12V) 641 Audio ICs FMeasurement circuit BA682A FComparator level vs. AC and DC input levels FApplication example Fig.2 642 Audio ICs FAttached components (1) LED current setting resistor (R1) This resistor sets the LED current value. Refer to Fig. 3 for the relationship between the value of this resistor and the current value. The recommended value is 27kΩ for green LEDs, and 39kΩ for red LEDs. If the LED current .


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