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HS231P16NDGI

Description
HYBRID SWITCH WITH NEGATIVE SIGNAL HANDLING
File Size150KB,10 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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HS231P16NDGI Overview

HYBRID SWITCH WITH NEGATIVE SIGNAL HANDLING

PRELIMINARY DATASHEET
HYBRID SWITCH WITH NEGATIVE SIGNAL HANDLING
IDTHS231P16
Description
The IDTHS231P16 is a high-performance hybrid switch
device, combined with hybrid low distortion audio, UART
and an USB 2.0 high speed data (480 Mbps) signal
switches. When operated with a 1.8 V single supply, this
high performance switch allows audio signal swings
below-ground, allowing the use of a common USB and
audio headphone connector in personal media players and
other portable battery powered devices.
The IDTHS231P16 logic SELx control pins are 1.8 V
compatible which allows for control via a standard
µcontroller. With a VDD voltage in the range of 1.7 V to 1.95
V, the device can pass USB 3 V signal sources in the
portable device, with up to 5.5 V tolerant on USB and COM
signal pins. The part has an audio enable control pin to
open all the switches and put the part in a low power state.
The IDTHS231P16 is available in a small 16-pin QFN
package.
Features
+1.7 V to +1.95 V single-supply operation
Low distortion negative signal handling capability with
Ron typically 3Ω for Audio signal
Control pin to open all switches and enter low power state
Cross-talk audio channels (20 Hz to 20 kHz): -110dB
-3dB bandwidth USB switches: 700 MHz
Available in 16-pin QFN package – RoHS compliant
Compliant with USB 2.0 short circuit requirements
without additional external components
Applications
MP3 and other personal media players
PDA’s
Audio/USB Switching
Cellular and mobile phones
Block Diagram
SEL0
SEL1
Control
Circuit
D+
R
U+
D-
L
U-
COM-
COM+
VDD
GND
IDT™
HYBRID SWITCH WITH NEGATIVE SIGNAL HANDLING
1
IDTHS231P16
REV J 032708

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