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LM96530 Datasheet(PDF) 1 Page - Texas Instruments |
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LM96530 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page LM96530 www.ti.com SNAS499F – AUGUST 2010 – REVISED MAY 2013 LM96530 Ultrasound Transmit/Receive Switch Check for Samples: LM96530 1 FEATURES DESCRIPTION The LM96530 is an eight-channel monolithic high- 2 • 8-Channel High-Voltage Receive Side Switches voltage, high-speed T/R (Transmit/Receive) switch for without Charge-Injection multi-channel medical ultrasound applications. It is • Can be Used for Receive Protection and/or well-suited for use with Texas Instrument’s LM965XX Receive Multiplexing with SPI™ Compatible series chipset which offers a complete medical Bus Control ultrasound solution targeted towards low-power, portable systems. • Channel Bandwidth Supports 1MHz to 20MHz Transducers The LM96530 contains eight high-voltage T/R • Input Accepts Pulses and Continuous-Wave switches with integrated clamping diodes. This chip protects the inputs of the receive channel's LNA (Low Signals within ±60V Noise Amplifier) from the high-voltage pulses of the • Integrated Output Clamping Diodes Limit transmit channel. Advanced features include a diode Output to ±0.7V bridge with internal current sources that are • Low Harmonic Distortion HD2 at -75dBc at programmable via an external resistor. Low-power 5MHz operation is enabled via per-channel-selectable switching. • Continuous-Wave Operation • Soft-Switcher Based on a Diode Bridge Texas Instruments also offers a development package for sale which includes a driver hardware Architecture Yielding Better Noise and software package with a graphical user interface Performance and Faster Turn-On and -Off for configuration and monitoring. Times than Competing T-Gate Switch Architectures • 2.5V to 3.3V CMOS SPI™ Compatible Logic Interface with Daisy Chain Capability • Bias Current Source (IS) can be Scaled between 0 and 8mA via an External Resistor APPLICATIONS • Ultrasound Imaging Table 1. Key Specifications VALUE UNIT Input voltage ±60 V Output voltage clamp ( IS= 1mA) ±0.7 V On-resistance 18 Ω Off-isolation at 5MHz -58 dB Noise spectral density at 5MHz 0.5 nV/ √Hz Harmonic distortion HD2 -75 dB HD3 -75 dB Channel crosstalk at 5MHz -73 dB Operating Temp. 0 to +70 °C 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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