Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Device type | 32-channel high-voltage SPST analog switch |
| Target application | Medical ultrasound / piezoelectric transducer multiplexing |
| Analog signal range | Up to ±100 V |
| Peak switch current | Up to ±1.8 A typical |
| Typical on resistance | 14 Ω |
| Control | 32-bit serial shift register plus output latch |
| Clock rate | Up to 60 MHz |
| Package | QFN-72, 10 mm × 10 mm |
| Product status | Active |
Product Overview
MP4835AGRD-T is a 32-channel high-voltage analog switch from MPS designed to multiplex transmit and receive paths in ultrasound and related piezoelectric systems. Each channel is an SPST switch capable of passing or blocking analog signals up to ±100 V, while integrated bleed resistors discharge the output nodes when channels are disabled.
The device operates from low-voltage 3.3 V and 5 V rails rather than requiring separate positive and negative high-voltage control supplies. A serial shift register and data latch reduce host-I/O requirements, and DOUT allows multiple devices to be cascaded.
Technical Specifications
| Parameter | Confirmed Information |
|---|---|
| Channels | 32 |
| Switch configuration | SPST |
| Analog signal range | ±100 V |
| Typical RON | 14 Ω |
| Peak switch current | ±1.8 A typical, pulse-limited |
| Output bleed resistor | 20 kΩ to 50 kΩ range, 30 kΩ typical |
| Off isolation | −66 dB at 5 MHz class |
| Serial clock | Up to 60 MHz |
| Bias/control supplies | 3.3 V and 5 V class |
| Package | QFN-72, 10 × 10 mm |
Ultrasound Multiplexer Considerations
The ±1.8 A value applies to short peak pulses, not continuous channel current. Transducer pulse width, repetition rate, on resistance and QFN thermal conditions should be checked together.
The serial chain and latch architecture separates register loading from switch updates, which is useful when many channels must change state synchronously.
Manufacturer Resource
Quality & Verification Support
Exact MP4835AGRD-T order code, QFN-72 package, marking, lot/date information and packing can be reviewed before shipment.
Request a Quote
Request MP4835AGRD-T exactly and include quantity, date-code and traceability requirements.
