EV4816A-G-00A

New
180V, 16-Channel Analog Switch Evaluation Board
  • 数量 价格
  • 1
    US$ 100.00 /unit

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Product Description

The EV4816A-G-00A is an evaluation board for the MP4816A, a high voltage 16-channel analog switch. The MP4816A is designed for medical ultrasound application. It can also be used for non-destructive test (NDT) as the application is very similar to medical ultrasound.

The high voltage analog switches are used to multiplex the transmitter and receiver circuitries to different piezoelectric transducer (PZT) elements. The MP4816A has a resistor to ground on the output pins, SWout. This is to help ensure there is no significant DC voltage built up across the PZT element. The switches can be turned on/off via a serial 16-bit shift register. The serial control interface will help minimize the number of I/O connection.

Product Features

  • 16 Channels
  • No High Voltage Bias Required
  • Up to ±90V Analog Signal
  • 12.5Ω Typical Switch Resistance
  • ±2.0A Typical Switch Peak Current
  • 80MHz Clock Frequency at VLL=5.0V
  • 40MHz Clock Frequency at VLL=3.3V
  • Integrated Bleed Resistors – MP4816A

Parametrics

  • Vsig (V)±90
  • Channels16
  • Rswitch (Ω)12.5
  • IC Supported 1MP4816A

Monolithic IC

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IC Details

The MP4816A is a 16-channel high voltage single-pole single-throw, SPST, analog switch with integrated output bleed resistors designed for medical ultrasound imaging applications. It is designed to multiplex the transmit and receive voltages to and from multiple piezoelectric transducers, PZTs. The output switches are controlled by a 16-bit serial shift register followed by a 16-bit data latch. A data out, Dout, pin is provided to allow for multiple devices to be cascaded together. This will help minimize the number of input/output, I/O, control lines. A logic High in the data latch will turn on the corresponding analog switch whereas a logic Low will turn it off. The MP4816A does not require any high voltage supplies. Only two low voltage supplies are required, 3.3V and 10V. The analog switch can block or pass analog voltages up to ±90V with peak currents of up to ±2.0A. The MP4816A is available in TQFP 48-pin7mm x 7mm package.