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PDF HWD2038 Data sheet ( Hoja de datos )
| Número de pieza | HWD2038 | |
| Descripción | Mono 2W Audio Power Amplifiers | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HWD2038 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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CS2 DATA SHEET
HWD2038 ——
Mono 2W Audio Power Amplifiers with DC Volume
Control
z General Description
---The HWD2038 is a monolithic integrated circuit that provides DC volume control,
and mono bridged audio power amplifiers capable of producing 2W into 4Ωwith less
than1.0% THD or 2.2W into 3Ω with less than 1.0%THD.
---The HWD2038 is designed specifically to provide high quality audio from a surface
mount package while requiring few external components. It incorporates a DC volume
control that consists of 31 steps that are individually selected by a variable DC voltage
level on the volume control pin. The range of the steps are from 0dB - 78dB. Each gain
step corresponds to a specific input voltage range.
---The HWD2038 features an externally controlled, low-power consumption shutdown
mode, and thermal shutdown protection. It also utilizes circuitry to reduce “clicks and
pops” during device turn-on.
z Key Specifications
·PO at（1％ THD＋N）
·Shutdown current
z Features
into 3Ω
into 4Ω
into 8Ω
2.2W （typ）
2.0W （typ）
1.1W （typ）
0.7 uA（typ）
·DC Volume Control Interface
·Stereo switchable bridged
·No output coupling capacitors, or snubber circuits required
·“Click and pop” suppression circuitry
·Thermal shutdown protection circuitry
·TSSOP-20 packaging
z Applications
·Portable and Desktop Computers
·Multimedia Monitors
·Portable Radios, PDAs, and Portable TVs
Rev1.1 -1- 100524
1 page  
CS2 DATA SHEET
particular test conditions which guarantee specific performance limits. This
assumes that the device is within the Operating Ratings. Specifications are not
guaranteed for parameters where no limit is given, however, the typical value is
a good indication of device performance.
Note 11: Typicals are measured at 25°C and represent the parametric norm.
Note 12: Datasheet min/max specification limits are guaranteed by design, test, or
statistical analysis.
Note 13: Output power is measured at the device terminals.
Note 14: When driving 3Ω loads from a 5V supply the HWD2038MTE must be mounted
to the circuit board and forced-air cooled.
Note 15: When driving 4Ω loads from a 5V supply the HWD2038MTE must be mounted
to the circuit board.
Rev1.1 -5- 100524
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet HWD2038.PDF ] | |
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