GENERAL DESCRIPTION
The SGM8905 is a 2Vrms to 3Vrms pop/click-free
stereo line driver. The device is ideal for single supply
applications. Capless design can eliminate output
DC-blocking capacitors for less-component count and
low-cost.
The SGM8905 has differential inputs and is capable of
driving 3Vrms into a 2.5k? load with 5V supply voltage.
Build-in shutdown control also helps for pop/click-free
on/off control. The gain can be set by users from ?1V/V
to ?10V/V through external gain setting resistors that
also allows the implementation of a 2nd-order low pass
filter to compliment SOC and DAC's converters.
SGM8905 does not require a power supply. An
integrated charge pump generates a 3Vrms output
negative power rail that provides a clean, pop/click-free
ground offset.
The SGM8905 is available in a Green MSOP-10
(Exposed Pad) package. It operates over an ambient
temperature range of -40℃ to %2B85℃.
FEATURES
? Supply Voltage Range: 3V to 5.5V
? Output Voltage into 2.5k? Load
? 2Vrms at 3.3V Supply Voltage
? 3Vrms at 5V Supply Voltage
? Capless Structure
? Pop/Click-Free
? Eliminates Output DC-Blocking Capacitors
? Provides Flat Frequency Response
? Low Noise and THD
? SNR = 114dB (TYP)
? VN = 5.4μVrms (TYP)
? THD%2BN = 0.001% (f = 1kHz)
? -40℃ to %2B85℃ Operating Temperature Range
? Available in a Green MSOP-10 (Exposed Pad)
Package
APPLICATIONS
LCD TV
Set-Top Box
Home Theater
Blue-Ray DVD-Players
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