Mobile Terminal Solutions

• High-fidelity Audio Switching/External Headset
  Switches between internal and external speakers, while eliminating noise
  • Dual SPDT Analog Switches, and Dual SPDT with Shunt Analog Switches
  • Dual SPDT Mux/DeMux Switches and Dual SP3T Analog Switches
• Power Saver Switches
  Switches that conserve battery life
  • Low-voltage, Single-supply SPST Switches
• Multi-processor Interconnects with high-speed, automatic voltage translation
  • Specialty Interface Tranceivers & Specialty Interface Voltage Translators
• Enhanced Mini USB (all-in-one)
  Support for switch between audio, battery charging, and data transfer from one USB port
  • Wide Bandwidth USB 2.0 Switches & Dual SPDT Analog Switches
• USB Voltage Protection
  • 3.3V, High-bandwidth, 2-Bit, Bus Switch with individual low enables
• System Timing
  • Real-time Clocks & Spread-spectrum Clocks

 

Analog Switch:

Audio Internal/External Switching

• PI3A3160, or PI5A3158, or PI5A4684
• Application : Allow switching internal audio devices to external ones

Differential 2:1 Muxing (Single & Dual SPDT)

• PI3A3160, or PI5A3158, or PI5A4684
• Application : Allow internal speaker to switch between MP3 music and MIDI ring tone



Differential 2:1 Muxing (Dual SPDT w/ Integrated Functions)

• PI3A212S and PI5A4764
• Advantage: On-Chip Shunt Switches to Ground Reduce Audio Popping & Clicking
• PI3A212SC and PI5A4765
• Advantage:
  • On-Chip Comparator provides mute detection
  • On-Chip Shunt Switches to Ground Reduce Audio Popping & Clicking

Differential 3:1 Muxing (Dual SPDT Solution)

• Multiple chip solution: 2X of PI3A3160, or PI5A3158, or PI5A4684
• Application : Allow internal speaker to switch amount incoming voice, MP3 music and MIDI ring tone.

Power Switching (SPST) for Increased Battery Life

• Switching OFF unused devices conserves Battery Life
• Application :
  • Selectively switching (disconnect) inactive devices to save power and lengthen operation period. PI5A4626 (Single SPST) is available for this application
• Advantage:
  • Pericom SPST Analog Switches provide lower Ron compared to FET Switches
  • Results in Increased Battery Life

MP3 Audio in and Recording

• Stereo Voice, FM and Line in Recording Function
  • 2X of PI3A3160, or PI5A3158, or PI5A4684
  • Application : Allow Switching multi source audio in (FM in, Line in and Voice in)
  • PI5A3158, PI3A3160 are the recommended Pericom parts for the Dual SPDT
  • Application : Allow Switching multi source audio in --> PI5A4213 (SP3T)

Small Size MP3

• Line in and Speaker Signal Go Through One Header
  • PI3A3160, or PI5A3158, or PI5A4684
  • Application : Allow MIC in and Speaker our through single connecter
  • PI5A3158, PI3A3160 are the best Pericom offering for the Dual SPDT

USB Switch:

USB MUX

• PI5A3158 for USB 1.0 or PI3USB10 for USB 2.0
• Application : Share audio and USB data signal for area optimization by reducing the USB socket.
  • PI5A3158 for USB1.0 data transfer, PI3USB10 for USB2.0 data transfer are available

USB Mini Host Solution

• USB Host and USB Device Two Chips Solution
• For MP3 or Hard drive application
  • Application : Share USB device and USB Host signal for area optimization by reducing the USB socket.
  • PI5A3158 for USB1.1 data transfer, PI3USB10 for USB2.0 data transfer are available

Level Shifters/ Voltage Translators:

Level Translation (Memory Card Interface)

• PI4ULS3V16 or PI4ULS3V08
• Application: Data/Address bus voltage translation between 1.8V Baseband SOC and Memory Card.

Level Translation (Wireless LAN Interface)

• 2x PI4ULS3V16 or PI4ULS3V32
  • Application : Data/Address bus voltage translation between 1.8V Baseband SOC and CF Card/type wireless LAN module. Level Translation (Camera I/F)
    
• PI74AVC164245, or PI4ULS3V16
  • Application: Data bus voltage translation between 3.3V camera and 1.8V Cell phone SOC. Common CCIR 656 Video interface speed around 270Mbps.

Level Translation (LCD I/F)

• PI74AVC164245, or PI4ULS3V08
  • Application : Voltage translation between Cell phone SOC and LCD module. Which depends on the LCD driver I/O capability

Level Translation (LCD I/F, Camera MUX)

• PI4ULS3V122
  • Application: Multiplexing different devices (CCD/CMOS camera & LCD module) to share single video interface port. E.g. Bypass Cell phone for camera view to save power. Switch to Cell phone SOC for photo saving.

Digital Bus Switch:

Portable Media Player with External USB Bridge

• PI3B3245, PI3B32X245, PI3B16211 and many more
  • Application : Some of MPEG or MP3 chipset (as Sigma Design, TI, ESS, etc) without USB2.0 controller inside and need a external USB2.0 to ATA controller.
  • Pericom provides 8-bits, 16-bits, 20-bits and 24-bits bus switch