- MP4898A
MP4898A
128-Channel, High-Voltage Analog Switch with Output Bleed Resistors and 5V Bias
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Description
The MP4898A is a 128-channel, high-voltage (HV), single-pole single-throw (SPST) analog switch with integrated output bleed resistors, designed for medical ultrasound imaging applications. It is designed to multiplex the transmission and can receive voltages to and from multiple piezoelectric transducers (PZTs).
The 128 switches are configured as 64 1:2 multiplexers and demultiplexers. There are 64 switch inputs. Each switch input is connected to two switch outputs (SWOUTA and SWOUTB) for a total of 128 switch outputs. The MP4898A is controlled by two 64-bit serial shift registers, followed by two 64-bit latches. The switches can be turned on/off via the two 64-bit serial shift registers.
The MP4898A does not require any HV supplies. Only two low-voltage supplies are required (3.3V and 5V). The analog switch can block or pass analog voltages up to ±90V with peak currents of up to ±1.8A.
The MP4898A is available in a BGA-215 (10mmx20mm) package.
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Features & Benefits
- No High-Voltage (HV) Supplies Required
- 128 Channels
- 1:2 Multiplexer/Demultiplexer
- Up to ±90V Analog Signals
- 14Ω Typical Switch Resistance
- ±1.8A Typical Switch Peak Current
- Off-Isolation of -66dB at 5MHz
- Integrated Output Bleed Resistor
- 60MHz Clock Frequency
- 5V Bias Supply
- Available in a BGA-215 (10mmx20mm) Package
Active Part Numbers:
MP4898AGBV-T
MP4898A Resources
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APPLICATION
ULTRASOUND MACHINES (PORTABLE)APPLICATIONMedical ultrasound imaging uses high-frequency sound waves to view internal structures inside the body, such as internal organs, blood vessels, and developing fetuses in the womb. Ultrasound technology is in high demand as it is a less invasive, less expensive diagnostic method than imaging techniques such as MRIs or CT scans. Advances in integrated technology have allowed the introduction of port...
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PRODUCT CATEGORY
ULTRASOUND MULTIPLEXERSPRODUCT CATEGORY -
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