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PDF HWD2171 Data sheet ( Hoja de datos )
| Número de pieza | HWD2171 | |
| Descripción | 3W Audio Power Amplifier | |
| Fabricantes | CSMSC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HWD2171 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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HWD2171
3W Audio Power Amplifier with Shutdown Mode
General Description
Key Specifications
The HWD2171 is a mono bridged audio power amplifier ca- n PO at 10% THD+N, 1kHz
pable of delivering 3W of continuous average power into a n HWD2171LD: 3Ω , 4Ω load
3W (typ), 2.5W (typ)
3Ω load with less than 10% THD when powered by a 5V
power supply (Note 1). To conserve power in portable appli-
cations, the HWD2171’s micropower shutdown mode Q(I =
0.6µA, typ) is activated when VDD is applied to the SHUT-
DOWN pin.
audio power amplifiers are designed specifically to provide
n All other HWD2171 packages: 8Ω loa
1.5W (typ)
n Shutdown current
0.6µA (typ)
n Supply voltage range
2.0V to 5.5V
n THD at 1kHz at 1W continuous average output power
into 8Ω
0.5% (max)
high power, high fidelity audio output. They require
Featuresfew external components and operate on low supply volt-
ages from 2.0V to 5.5V. Since the HWD2171 does not require n No output coupling capacitors, bootstrap capacitors, or
output coupling capacitors, bootstrap capacitors, or snubber
snubber circuits required
networks, it is ideally suited for low-power portable systems n Unity-gain stable
that require minimum volume and weight.
n LLP, MSOP, SO, or DIP packaging
Additional HWD2171 features include thermal shutdown pro- n External gain configuration capability
tection, unity-gain stability, and external gain set.
n Pin compatible with the HWD2161
Note 1: An HWD2171LD that has been properly mounted to a circuit board will
Applicationsdeliver 3W into 3Ω (at 10% THD). The other package options for the HWD2171
will deliver 1.5W into 8Ω (at 10% THD). See the Application Information
sections for further information concerning the HWD2171LD, HWD2171MM, n Portable computers
HWD2171M, and the HWD2171N.
n Desktop computers
n Low voltage audio systems
Typical Application
Connection Diagram
MSOP, Small Outline, and DIP Package
Top View
Order Number HWD2171MM, HWD2171M, or HWD2171N
LLP Package
FIGURE 1. Typical Audio Amplifier Application Circuit
Top View
Order Number HWD2171LD
1
1 page  
Typical Performance Characteristics
Non-LD Specific Characteristics (Continued)
Output Power vs
Load Resistance
Power Dissipation vs
Output Power
Power Derating Curve
Clipping Voltage vs
Supply Voltage
Noise Floor
Frequency Response vs
Input Capacitor Size
Power Supply
Rejection Ratio
Open Loop
Frequency Response
Supply Current vs
Supply Voltage
5
5 Page 
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Order Number HWD2171MM
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet HWD2171.PDF ] | |
Hoja de datos destacado
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