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EUA6412QIT1 参数 Datasheet PDF下载

EUA6412QIT1图片预览
型号: EUA6412QIT1
PDF下载: 下载PDF文件 查看货源
内容描述: 2.6 -W立体声音频功率放大器四个可选增益设置 [2.6-W Stereo Audio Power Amplifier with Four Selectable Gain Settings]
分类和应用: 放大器功率放大器
文件页数/大小: 18 页 / 677 K
品牌: EUTECH [ EUTECH MICROELECTRONICS INC ]
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EUA6412
2.6-W Stereo Audio Power Amplifier
with Four Selectable Gain Settings
DESCRIPTOIN
The EUA6412 is a stereo audio power amplifier. When
driving 1 W into 8–Ω speakers, the EUA6412 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 EUA6412
automatically switches into SE mode when the SE/ BTL input
is activated, and this reduces the gain to 4.1 dB.
The EUA6412 consumes only 5.2mA of supply current during
normal operation.
FEATURES
2.6W per Channel Output Power Into 3-Ω Load
Internal Gain Control, Which Eliminates
External Gain-Setting Components
Input MUX Select Terminal
PC-Beep Input
Depop Circuitry Integrated
Two Input Modes Allowable with Single-Ended or
Fully Differential Input
Low Supply Current and Shutdown Current
Thermal Shutdown Protection
TSSOP-24 with Thermal Pad
RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
Notebook Computers
Multimedia Monitors
Digital Radios and Portable TVs
Block Diagram
DS6412 Ver 1.0 Dec. 2006
1