MAX14508EEVB+T

The MAX14508EEVB+T is an USB 2.0 hi-speed and audio switch with negative signal capability in 10 pin UTQFN package. It is a high ESD protected DPDT switch multiplex hi-speed (480Mbps) USB and analogue signals such as AC coupled audio or video. This device combines the low on-capacitance (CON) and low on-resistance (RON) necessary for high performance switching applications in portable electronics and include an internal negative supply to pass audio signals that swing below ground (down to VCC - 5V). It features +5.5V fault protection on COM1 and COM2, making this device compliant with the USB 2.0 fault protection specification. The MAX14508E features internal shunt resistors on the audio path to reduce clicks and pops heard at the output. The device has an enable input (EN) to reduce supply current and set all channels to high impedance when driven low. It is used in cell phones, MP3 players, notebook computers and PDAs.

• Break before make time delay of 13.5µs, low 12μA supply current, -3dB bandwidth of 950MHz (typical)
• Handles USB low/full speed signalling and operate from a +2.7V to +5V supply
• Low 2.4ohm (typ) on-resistance, low 20mohm (typ) RON flatness
• THD+N of 0.05%
• COM analogue inputs fault protected against shorts to +5.5V
• Internal shunt resistors for click and pop reduction
• PSRR of 60dB at f = 10KHz, VCC = 3.0 ±0.3V
• Fault protection response time of 1.3µs, fault protection recovery time of 2µs
• Off isolation of -65dB at f=100KHz, RS=RL= 50 ohm, crosstalk of -70dB at f=100KHz RS=RL= 50 ohm
• Operating temperature range from -40°C to +85°C

애플리케이션

Audio, Signal Processing, Portable Devices, Consumer Electronics

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