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BD88220GUL - Coupling Capacitorless Headphone Amplifiers

Download the BD88220GUL datasheet PDF. This datasheet also covers the BD88200GUL variant, as both devices belong to the same coupling capacitorless headphone amplifiers family and are provided as variant models within a single manufacturer datasheet.

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.

Features

  • 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).

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BD88200GUL-Rohm.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number BD88220GUL
Manufacturer ROHM
File Size 627.74 KB
Description Coupling Capacitorless Headphone Amplifiers
Datasheet download datasheet BD88220GUL Datasheet

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Other Datasheets by ROHM

Part Number Description
BD88200GUL Coupling Capacitorless Headphone Amplifiers
BD88210GUL Coupling Capacitorless Headphone Amplifiers
BD88215GUL Coupling Capacitorless Headphone Amplifiers
BD88400FJ 80-mW Coupling Capacitorless Stereo Headphone Amplifiers
BD88400GUL Coupling Capacitorless Headphone Amplifiers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Headphone Amplifiers Coupling Capacitorless Headphone Amplifiers BD88200GUL,BD88210GUL,BD88215GUL,BD88220GUL No.11102EAT05 ā—¸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.
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