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MAX14813 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX14813 Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 54 page  General 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 embed- ded digital resources are programmed through an high speed serial interface and supports sophisticated transmit techniques likewise pulse width modulation for burst- shaping 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. Applications ● Ultrasound Medical Imaging ● Ultrasound Industrial Applications (NDT) Ordering Information appears at end of data sheet. 19-100096; Rev 1; 7/19 Benefits and 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 Information for 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 Excel- lent 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 MAX14813 Ultra-Compact Octal 3L/Quad 5L Pulser with T/R Switches and Beamforming Capability EVALUATION KIT AVAILABLE Click here for production status of specific part numbers. |
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