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EUA6210, EUA6214/A, EUA6412A

Table of contents:
Info of EUA6210
Info of EUA6214/A
Info of EUA6412A

EUA6210, EUA6214/A, EUA6412A Selling Leads, Datasheet

MFG:EUTECH Package Cooled:MSOP8 D/C:07+

EUA6210, EUA6214/A, EUA6412A Datasheet download

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Part Number: EUA6210

MFG: EUTECH

Package Cooled: MSOP8

D/C: 07+

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EUA6210 General Description

The EUA6210 is an audio power amplifier primarily designed for headphone applications in portable device applications. It is capable of delivering 67mW of continuous average power per channel into a 16 load with less than 1% distortion (THD+N) from a 3.3V power supply.

The EUA6210 utilizes a new circuit topology that eliminates output coupling capacitors and half-supply bypass capacitors. It is ideally suited for low-power portable applications where minimal space and power consumption are primary requirements.

The EUA6210 is also unity-gain stable and can be configured by external gain-setting resistors. Other features include click/pop suppression, low-power shutdown mode and thermal shutdown protection.

EUA6412A General Description

The EUA6412A is a stereo audio power amplifier. When driving 1 W into 8 speakers, the EUA6412A has less than 0.8% THD+N across its specified frequency range. Included within this device is integrated depop circuitry that virtually eliminates transients that cause noise in the speakers.

Amplifier gain is internally configured and controlled by way of two terminals (GAIN0 and GAIN1). BTL gain settings of 6 dB, 10 dB, 15.6 dB, and 21.6 dB are provided, while SE gain is always configured as 4.1 dB for headphone drive. An internal input MUX allows two sets of stereo inputs to the amplifier. The HP/LINE terminal allows the user to select which MUX input is active, regardless of whether the amplifier is in SE or BTL mode. In notebook applications, where internal speakers are driven as BTL and the line outputs (often headphone drive) are required to be SE, the EUA6412A automatically switches into SE mode when the SE/BTL input is activated, and this reduces the gain to 4.1 dB.

The EUA6412A consumes only 5.2mA of supply current during normal operation.

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