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Analog Switch Products: Ultra Portable Applications

Analog Switch Products: Ultra Portable Applications. USB Audio Isolation/Multiplexing. Cell Phones: USB, Audio, Isolation/Multiplexing. USB Full Speed Switching: Ultra-Portable. Key Specifications USB 2.0 Full Speed Compliant Low additive jitter (<1% UI typical) due to low Ron flatness

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Analog Switch Products: Ultra Portable Applications

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  1. Analog Switch Products: Ultra Portable Applications • USB • Audio • Isolation/Multiplexing

  2. Cell Phones: USB, Audio, Isolation/Multiplexing

  3. USB Full Speed Switching: Ultra-Portable Key Specifications • USB 2.0 Full Speed Compliant • Low additive jitter (<1% UI typical) due to low Ron flatness • 8000V (HBM) ESD rating • -3 dB bandwidth is 350 MHz Competitive Advantages • Packaging (MicroPak 10) • Best ESD Protection • Lowest Ron for Audio Sharing FSUSB11 Dual SPDT

  4. USB Hi-Speed Switching: Ultra-Portable FSUSB22 Quad SPDT Key Specifications • USB 2.0 Full Speed Compliant • Low additive jitter (<1% UI typical) due to low Ron flatness • -3 dB bandwidth is 750 MHz Competitive Advantages • Quad switch Configuration • Low Power consumption (<1uA) • Small DQFN Packaging (8.75mm2)

  5. USB Hi-Speed Switching: Ultra-Portable FSUSB23 Dual SPDT Key Specifications • USB 2.0 Hi-Speed Compliant • -3 dB bandwidth is 720 MHz • Low On Capacitance (9pf) Competitive Advantages • Low Power consumption (<1uA) • MicroPak 10 (1.6 X 2.1mm) • 7 kV HBM ESD protection

  6. USB Hi-Speed Switching: Ultra-Portable FSUSB30 Dual SPDT Key Specifications • USB 2.0 Hi-Speed Compliant • -3 dB bandwidth is 720 MHz • Low On Capacitance (5pf) Competitive Advantages • Allows for less ideal board layout and Hi-Speed Controller characteristics • Low Power consumption (<1uA) • MicroPak 10 (1.6 X 2.1mm) • 9 KV HBM ESD protection

  7. USB Hi-Speed/FS Switching: Ultra-Portable FSUSB31 Dual SPST Key Specifications • USB 2.0 Hi-Speed Compliant • -3 dB bandwidth is 720 MHz • Low On Capacitance (5pf) • Low Off Capacitance (4pf) Competitive Advantages • Allows for less ideal board layout and Hi-Speed Controller characteristics • Low Power consumption (<1uA) • MicroPak 8 (1.6 X 1.6 mm) • 9 KV HBM ESD protection

  8. Low Ron Switches(1 Ohm): Audio Switches • Key Specifications • USB 2.0 FS/HS Compliance • Low On Resistance • Low Total Harmonic Distortion • Competitive Advantages • Convenient configurations maximize design efficiencies. • Available in some of the smallest packages possible (MicroPakTM and SC70).

  9. Low ICCT Switches Extend Battery Life • What is Low ICCT? • Control inputs can accept lower voltages while maintaining low power consumption • Shifted the internal control thresholds to limit simultaneous threshold current • Competitive Advantages • Extend Battery Life • No need for voltage translation See Applications Note AN-5064 http://www.fairchildsemi.com/an/AN/AN-5064.pdf

  10. Low Ron Switches(0.35 Ohm): Audio Switches • Products • FSA2267 / FSA2267A – 2x SPDT • FSA2467 – 2x DPDT • FSA5157 – 1x SPDT • FSA2156 – 1x SPST (Preliminary) • FSA2256 – 2x SPST (Preliminary) • FSA2380 – 2x SP3T (Preliminary) • Key Specifications and Advantages • Ultra Low On Resistance allows use of lower impedance speakers • Superior Off Isolation, Crosstalk and THD to maintain signal integrity. • Low ICCT for reduced power consumption. • Allows use of lower impedance speakers FSA2267(A) Dual SPDT

  11. Low Ron Switches(0.4 Ohm): Audio Switches • Key Specifications • Ultra Low On Resistance • Superior Off Isolation • Crosstalk • THD • Competitive Advantages • Ideally suited for Differential Audio Applications using BTL Amplifiers • Low ICCT for reduced power consumption • Allows use of lower impedance speakers FSA2467 Dual DPDT

  12. Connector Sharing and Isolation FSA1256(A) Dual SPST • Key Specifications • Low On Resistance (0.95 Ohm typ) • Off Isolation/Crosstalk (-70db, -100db) • ESD Rating (5.5kV) • Ron Flatness,THD • Competitive Advantages • ESD protection and isolation of the internal ASIC from the outside world • Allows ASIC to fully power before seeing D+ D-, protects against over voltage condition

  13. Multiplexing and Signal Routing • Key Specifications • On Resistance • Superior Off Isolation • Crosstalk • THD • Competitive Advantages • SP3T configurations allow more design flexibility • Low Power Consumption (<1uA) • Versatility across multiple applications (USB, Audio, Control)

  14. Analog Switch Selection Guide • New Introductions • FSAV433 Triple 3:1 Video Switch • FSUSB20 USB 2.0 Hi-Speed Switch • FSUSB23 Low Con version of FSUSB20 • FSUSB11 in TSSOP Package. • FSA2267 – 2x SPDT • FSA2267A – Low ICCT FSA2267. • FSA2257 in TSSOP Package. • FSA2467 – 2x DPDT • FSA3259 2x SP3T • FSA5157 1x SPDT • FSHDMI04 – HDMI Switch

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