MAX14813

Ultra Compact Octal 3L / Quad 5L Pulser with T/R Switches and Beamforming Capability

MAX14813 is the Only Pulser Solution on the Market that Includes the TX Beamforming which Allows our Customers to Simplify PCB Layout, and Eases Synchronization


Please check latest availability status for a specific part variant.

Description

The MAX14813 is a very high density, high-voltage ultrasound transmitter (pulser) in a wafer-level package (WLP). It is particularly aimed to address ultrasound imaging applications in which PCB space is a concern.

It features eight 3-level channels operating from two independent pairs of HV supplies. Each channel can transmit up to 170VP-P with up to 2.1A current capability. The current capability can be programmed down to 0.35A with 4 steps of programmability. It also features an integrated 1A active clamp (Return to Zero).

The MAX14813 can also be configured as a quad 5-levels (2.1A) pulser plus quad active T/R switches.

The MAX14813 features embedded digital resources (SRAM and state machine) that can be used to support transmit beamforming resulting in a dramatic saving of the number of interconnects and FPGA I/Os. The embedded digital resources are programmed through an high speed serial interface and supports sophisticated transmit techniques likewise pulse width modulation for burstshaping and apodization for beam shaping.

Alternatively, the device can be controlled in a conventional manner by an external digital source (FPGA or similar) through dedicated CMOS logic inputs.

The MAX14813 features independent active T/R switches. The T/R switches can possibly be externally configured to support Receive Multiplexing in which a fewer number of receive than transmit channels are used.

The MAX14813 is packaged into a 6.33mm x 6.65mm WLP, with a 12 x 13 ball grid array.

MAX14813: Functional Diagram MAX14813: Functional Diagram Enlarge+

Key Features

  • Optimized for Compact and Portable Applications
    • High Density Eight Channels 3 Levels Pulser in a 6.33mm x 6.65mm WLP
    • Integrated Low-Power, Low-Noise, Active T/R Switches
    • Direct-Drive Architecture Eliminates External Floating Power Supply (FPS) and HV Signal Capacitors
    • Embedded Beamforming Eliminates Transmit FPGA, Simplifies PCB Layout, and Eases Synchronization
  • Flexibility
    • Support Receive Multiplexing
    • Can Use Internal/External Beamforming Resources
    • Can Operate as Octal 3 Levels or Quad 5 Levels
  • Embedded Digital Resources for Beamforming
    • 8K Samples (Per Channel) Pulse Wave Table SRAM Stores Up to 1024 Unique Patterns
    • Line Number Memory Stores Beamforming Line Information For Up To 1.5K Lines (3 Levels) or 3K Lines (5 Levels)
    • 128 Line Type Registers Stores Setting InformationMfor All the Channels
    • State Machine for Delay Beamforming with 5ns Time Resolution
    • Programmable Number of Cycles and Pattern Time Base (Pulse Width)
  • High Performance (Designed to Enhance Image Quality)
    • Excellent Second Harmonic distortion and Pulse Inversion Performances
    • Low Propagation Delay 12ns (typ) Ensures Excellent Phase Noise for Doppler Modes and Excellent Part-to-Part Matching
    • Fast Rising Falling Edges Enables Fine Resolution PWM or Acoustic Power Control
  • Low Power
    • Low Quiescent Power Dissipation (4.1mW/Channel in Octal Mode)
    • Programmable Current Capability Down to 0.35A for CWD and Low-Voltage Modes
  • Robustness
    • Thermal Warning at 110°C
    • Thermal Shutdown at 150°C

Applications/Uses

  • Ultrasound Medical Imaging
  • Ultrasound Industrial Applications (NDT)
Part NumberFunctionsConfig.ChannelsVSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSUPPLY (Dual)
(±V)
Bandwidth
(MHz)
IL(OFF)
(nA)
Package/PinsBudgetary
Price
minmaxmaxmaxSee Notes
MAX14813 
Pulser
Switch
DPDT8-105105100203400
TQFN/68
WLP/156
$39.00 @1k
See All Switches and Multiplexers (Mid and High Voltage) (299)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX14813EVKIT: Evaluation Kit for the MAX14813

Quality and Environmental Data

Request Reliability Report for: MAX14813 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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