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CSMSC - 1 Watt Audio Power Amplifier

Numéro de référence HWD2190
Description 1 Watt Audio Power Amplifier
Fabricant CSMSC 
Logo CSMSC 





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HWD2190 fiche technique
HWD2190
1 Watt Audio Power Amplifier
General Description
Key Specifications
The HWD2190 is an audio power amplifier primarily designed
for demanding applications in mobile phones and other por-
table communication device applications. It is capable of
delivering 1 watt of continuous average power to an 8BTL
load with less than 1% distortion (THD+N) from a 5VDC
power supply.
j PSRR at 217Hz, VDD = 5V (Fig. 1)
j Power Output at 5.0V & 1% THD
j Power Output at 3.3V & 1% THD
j Shutdown Current
62dB(typ.)
1W(typ.)
400mW(typ.)
0.1µA(typ.)
audio power amplifiers were designed specifically to
Featuresprovide high quality output power with a minimal amount of
external components. The HWD2190 does not require output n Available in space-saving packages: micro SMD, MSOP,
coupling capacitors or bootstrap capacitors, and therefore is
SOIC, and LLP
ideally suited for mobile phone and other low voltage appli- n Ultra low current shutdown mode
cations where minimal power consumption is a primary re- n BTL output can drive capacitive loads
quirement.
n Improved pop & click circuitry eliminates noises during
The HWD2190 features a low-power consumption shutdown
turn-on and turn-off transitions
mode, which is achieved by driving the shutdown pin with
logic low. Additionally, the HWD2190 features an internal ther-
mal shutdown protection mechanism.
n
n
2.2 - 5.5V operation
No output coupling capacitors, snubber networks or
bootstrap capacitors required
The HWD2190 contains advanced pop & click circuitry which n Thermal shutdown protection
eliminates noises which would otherwise occur during
turn-on and turn-off transitions.
n Unity-gain stable
The HWD2190 is unity-gain stable and can be configured by n External gain configuration capability
external gain-setting resistors.
Applications
n Mobile Phones
n PDAs
n Portable electronic devices
Connection Diagrams
8 Bump micro SMD
Top View
Order Number HWD2190IBP, HWD2190IBPX

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