General Description
The MSI2021 is a dual single-pole double-throw (dual SPDT) analog device aimed for analog signals switching applications in various portable electrical devices. It is especially designed for negative stereo audio signals switching applications in mobile phones.
FEATUREs
□ ±8kV Human Body Model (HBM) ESD
protection on all pins
□ Low RON : 0.4Ω (typical) @ 3.0V VDD
□ -3dB bandwidth : >50MHz (typical)
□ Low supply current in standby mode (<1μA)
and under wide control voltage range
□ High channel crosstalk: -70dB @ 3.0V VDD
□ Power-Off protection (VDD=0V) and power-On
protection (VDD≠0V) on COMA & COMB
tolerate up to 4.3V
□ VDD+0.5V signals can be handled under VDD
supply voltage condition
□ Halogen-Free 10 leads 1.4mm x 1.8mm QFN
package
APPLICATIONs
□ Analog Signal Switching Block
□ Negative Stereo Audio Switching
□ Switching application in portable devices (Cell
phone, PDAs, Notebook Computers)