資料介紹
The MAX4991–MAX4994 low on-resistance analog
switches operate from a single +1.8V to +5.5V supply.
The MAX4991/MAX4993 feature a slow turn-on time to
reduce clicks and pops due to coupling capacitors and
audio amplifiers with a DC output bias. This feature pro-
vides click-and-pop reduction without adding additional
parts for existing architectures.
The MAX4991/MAX4992 are dual single-pole/double-
throw (SPDT) switches, while the MAX4993/MAX4994
are double-pole/double-throw (DPDT) switches. The
MAX4993/MAX4994 feature an active-low enable input
(EN) that sets all the channels to high impedance and
reduces supply current when driven high. These
devices have 0.3Ω on-resistance and 0.004% THD+N
to route high fidelity audio signals.
The MAX4991–MAX4994 are available in space-saving
10-pin UTQFN (1.4mm x 1.8mm) package, and are
specified for operation over the -40°C to +85°C extend-
ed temperature range.
Applications
Speaker Headset Source Switching
Cellular Phones
Portable MP3 Players
Audio Signal Routing
switches operate from a single +1.8V to +5.5V supply.
The MAX4991/MAX4993 feature a slow turn-on time to
reduce clicks and pops due to coupling capacitors and
audio amplifiers with a DC output bias. This feature pro-
vides click-and-pop reduction without adding additional
parts for existing architectures.
The MAX4991/MAX4992 are dual single-pole/double-
throw (SPDT) switches, while the MAX4993/MAX4994
are double-pole/double-throw (DPDT) switches. The
MAX4993/MAX4994 feature an active-low enable input
(EN) that sets all the channels to high impedance and
reduces supply current when driven high. These
devices have 0.3Ω on-resistance and 0.004% THD+N
to route high fidelity audio signals.
The MAX4991–MAX4994 are available in space-saving
10-pin UTQFN (1.4mm x 1.8mm) package, and are
specified for operation over the -40°C to +85°C extend-
ed temperature range.
Applications
Speaker Headset Source Switching
Cellular Phones
Portable MP3 Players
Audio Signal Routing
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