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Compact Headphone Amplifiers

ROHM has a variety of headphone amplifiers. Not only conventional headphone amplifiers, but also Digital input class-D headphone amplifiers, Coupling capacitor less headphone amplifiers and Headphone amplifier designed for low voltage operation.



Coupling Capacitorless Headphone Amplifiers

Broad Lineup Compact Headphone Amplifiers

Series Selection lineup_capacitorless lineup_low_voltage lineup_standard  

Coupling Capacitorless Headphone Amplifiers

Part No. Supply Voltage
(V)		 Circuit current
at no signal
(mA)		 Gain
(V/V)		 Max. Ouput power
(mW)		 Noise harmonic distortion
(%)		 Note Package RoHS Distribution
Inventory
Reset
BD88200GUL 2.4 to 5.5 2.0 Variable Gain with external resistor 80 0.006 *Virtual ground based VCSP50L2(BD88200GUL) Yes
BD88210GUL 2.4 to 5.5 2.0 -1.0 80 0.006 *Virtual ground based VCSP50L2(BD88210GUL) Yes
BD88215GUL 2.4 to 5.5 2.0 -1.5 80 0.006 *Virtual ground based VCSP50L2(BD88215GUL) Yes
BD88220GUL 2.4 to 5.5 2.0 -2.0 80 0.006 *Virtual ground based VCSP50L2(BD88220GUL) Yes
BD88400GUL 2.4 to 5.5 2.0 Variable Gain with external resistor 80 0.006 Ground based VCSP50L2(BD88400GUL) Yes
BD88410GUL 2.4 to 5.5 2.0 -1.0 80 0.006 Ground based VCSP50L2(BD88410GUL) Yes
BD88415GUL 2.4 to 5.5 2.0 -1.5 80 0.006 Ground based VCSP50L2(BD88415GUL) Yes
BD88420GUL 2.4 to 5.5 2.0 -2.0 80 0.006 Ground based VCSP50L2(BD88420GUL) Yes

 

*:The virtual ground based can cancel the ground noise between the IC and the headphone jack with feedback of the ground of the headphone jack.

Headphone Amplifier Series

2010.08.05

Ultra-low current consumption • low distortion coupling capacitor-less headphone amps

2010.07.09

Low voltage (0.93V) stereo headphone amps