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LMP92018SQENOPB Datasheet(PDF) 1 Page - Texas Instruments |
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LMP92018SQENOPB Datasheet(HTML) 1 Page - Texas Instruments |
1 / 34 page Multiplexer LMP92018 8 Temp. Sensor Int/Ext Ref 4 SPI Interface 12 GPIO REF GPIO[11:0] CSB SCLK DIN DOUT OUT3 OUT0 IN[7:0] DRDYB VGPIO VIO VDD GND LMP92018 www.ti.com SNAS514B – NOVEMBER 2011 – REVISED MAY 2013 LMP92018 Analog System Monitor and Controller Check for Samples: LMP92018 1 FEATURES APPLICATIONS 2 • 8 ANALOG VOLTAGE MONITORING • Communication Infrastructure CHANNELS • System Monitoring and Control – 10-Bit ADC with Programmable Input MUX • Industrial Monitoring and Control – Internal/External Reference DESCRIPTION – Tolerates High-Source Impedance at Lower LMP92018 is a complete analog monitoring and Sampling Rates control circuit which integrates an eight channel 10-bit • 4 PROGRAMMABLE ANALOG VOLTAGE Analog-to-Digital Converter (ADC), four 10-bit Digital- OUTPUTS to-Analog Converters (DACs), an internal reference, – Four 10-Bit DACs an internal temperature sensor, a12-bit GPIO port, and a 10MHz SPI interface. – Internal/External Reference – Drives Loads up to 1nF The eight channels of the ADC can be used to monitor rail voltages, current sense amplifier outputs, • VOLTAGE REFERENCE health monitors or sensors while the four DACs can – User-Selectable Source: External or Internal be used to control PA (Power Amplifier) bias points, – Internal Reference 2.5V control actuators, potentiometers, etc. • TEMPERATURE SENSOR Both the ADC and DACs can use either the internal – ±2.5°C Accuracy 2.5V reference or an external reference independently allowing for flexibility in system design. • 12-BIT GPIO PORT – Each Bit Individually Programmable The built-in digital temperature sensor enables accurate (±2.5°C) local temperature measurement – User-Selectable Rail whose value is captured in the user accessible • SPI-COMPATIBLE BUS register. – User-Selectable Rail Block Diagram 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 © 2011–2013, 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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