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HWD2111 반도체 회로 부품 판매점

Dual 105mW Headphone Amplifier



CSMSC 로고
CSMSC
HWD2111 데이터시트, 핀배열, 회로
HWD2111
Dual 105mW Headphone Amplifier with Digital Volume
Control and Shutdown Mode
General Description
Key Specifications
The HWD2111 is a dual audio power amplifier capable of n THD+N at 1kHz, 105mW continuous average output
delivering 105mW per channel of continuous average power
power into 16
0.1% (typ)
into a 16load with 0.1% (THD+N) from a 5V power supply. n THD+N at 1kHz, 70mW continuous average power into
audio power amplifiers were designed specifically to
32
0.1% (typ)
provide high quality output power with a minimal amount of n Shutdown Current
external components. Since the HWD2111 does not require
0.3µA (typ)
bootstrap capacitors or snubber networks, it is optimally Features
suited for low-power portable systems.
n Digital volume control range from +12dB to −33dB
The HWD2111 features a digital volume control that sets the n LD and MSOP surface mount packaging
amplifier’s gain from +12dB to −33dB in 16 discrete steps
using a two−wire interface.
The unity-gain stable HWD2111 also features an externally
controlled, active-high, micropower consumption shutdown
n
n
n
"Click and Pop" suppression circuitry
No bootstrap capacitors required
Low shutdown current
mode. It also has an internal thermal shutdown protection
mechanism.
Applications
n Cellular Phones
n MP3, CD, DVD players
n PDA’s
n Portable electronics
Connection Diagrams
MSOP Package
LD Package
Top View
Order Number HWD2111MM
Top View
Order Number HWD2111LD
1


HWD2111 데이터시트, 핀배열, 회로
Typical Application
*Refer to the Application Information Section for information concerning proper selection of the input and output coupling capacitors.
FIGURE 1. Typical Audio Amplifier Application Circuit
2




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HWD2111 amplifier

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