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BD88215GUL Datasheet

Part Number BD88215GUL
Manufacturers Rohm
Logo Rohm
Description Coupling Capacitorless Headphone Amplifiers
Datasheet BD88215GUL DatasheetBD88215GUL Datasheet (PDF)

Headphone Amplifiers Coupling Capacitorless Headphone Amplifiers BD88200GUL,BD88210GUL,BD88215GUL,BD88220GUL No.11102EAT05 ●Description BD88xxxGUL is output coupling capacitorless headphone amplifier. This IC has a negative voltage generator of regulated type built-in and generates the direct regulated negative voltage from the supply voltage. It is possible to drive headphones in a ground standard with both voltage of the positive voltage (+2.4V) and the negative voltage (-2.4V). Therefore a .

  BD88215GUL   BD88215GUL






Coupling Capacitorless Headphone Amplifiers

Headphone Amplifiers Coupling Capacitorless Headphone Amplifiers BD88200GUL,BD88210GUL,BD88215GUL,BD88220GUL No.11102EAT05 ●Description BD88xxxGUL is output coupling capacitorless headphone amplifier. This IC has a negative voltage generator of regulated type built-in and generates the direct regulated negative voltage from the supply voltage. It is possible to drive headphones in a ground standard with both voltage of the positive voltage (+2.4V) and the negative voltage (-2.4V). Therefore a large-capacity output coupling capacitor becomes needless and can reduce a cost, a board area, and the height of the part. In addition, there is not the signal decrement by the low range to happen by output coupling capacitor and output load impedance and can output a rich low tone. And, the function “Virtual ground” is embedded. Noise between IC and Headphone jack can be canceled by using “Virtual ground” function. ●Features 1) 2.4V to 5.5V Single-Supply Operation 2) No Bulky DC-Blocking Capacitors Required 3) No Degradation of Low-Frequency Response Due to Output Capacitors 4) Virtual Ground-Referenced Outputs 5) Gain setting BD88200GUL: Variable gain with external resistors BD88210GUL: -1.0V/V BD88215GUL: -1.5V/V BD88220GUL: -2.0V/V 6) Low THD+N 7) Low Supply Current 8) Integrated Negative Power Supply 9) Integrated Short-Circuit and Thermal-Overload Protection 10) Small package VCSP50L2 (2.1mm x 2.1mm) ●Applications Mobile Phones, Smart Phones, PDAs, Portable Audio Players, PCs, T.


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