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FT232R Datasheet(PDF) 1 Page - Analog Devices |
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FT232R Datasheet(HTML) 1 Page - Analog Devices |
1 / 5 page Circuit Note CN-0221 Circuits from the Lab™ reference circuits are engineered and tested for quick and easysystemintegrationto helpsolve today’s analog, mixed-signal, and RF design challenges. For more informationand/orsupport,visit www.analog.com/CN0221. Devices Connected/Referenced ADuCM360/ ADuCM361 Cortex-M3 Based Microcontroller with Dual 24-Bit Σ-Δ ADCs ADP1720-3.3 Low Dropout Linear Regulator USB-Based Temperature Monitor Using the ADuCM360 Precision Analog Microcontroller and an External Thermocouple Rev. 0 Circuitsfromthe Lab™circuitsfromAnalog Deviceshave been designedandbuiltbyAnalogDevices engineers. Standard engineering practices have been employed in the design and construction of eachcircuit,andtheirfunctionandperformancehavebeentestedandverifiedinalabenvironmentat room temperature. However, you are solely responsible for testing the circuit and determining its suitabilityandapplicabilityforyouruseandapplication.Accordingly,innoeventshallAnalogDevices be liable for direct, indirect, special, incidental, consequential or punitive damages due to any cause whatsoeverconnectedtotheuseofanyCircuitsfromtheLabcircuits. (Continuedonlastpage) One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2012 Analog Devices, Inc. All rights reserved. EVALUATION AND DESIGN SUPPORT Circuit Evaluation Board CN-0221 Evaluation Board (EVAL-ADuCM360TCZ) Design and Integration Files Schematics, Layout Files, Bill of Materials, source code for ADuCM360 CIRCUIT FUNCTION AND BENEFITS This circuit uses the ADuCM360/ADuCM361 precision analog microcontroller in an accurate thermocouple temperature monitoring application. The ADuCM360/ADuCM361 integrates dual 24-bit sigma-delta (Σ-Δ) analog-to-digital converters (ADCs), dual programmable current sources, a 12-bit digital-to-analog converter (DAC), and a 1.2 V internal reference, as well as an ARM Cortex-M3 core, 126 kB flash, 8 kB SRAM, and various digital peripherals such as UART, timers, SPIs, and I2C interfaces. In the circuit, the ADuCM360/ADuCM361 is connected to a thermocouple and a 100 Ω platinum resistance temperature detector (RTD). The RTD is used for cold junction compensation. In the source code, an ADC sampling rate of 4 Hz is chosen. When the ADC input programmable gain amplifier (PGA) is configured for a gain of 32, the noise-free code resolution of the ADuCM360/ ADuCM361 is greater than 18 bits. ADuCM360 AIN5/IEXC AVDD IOVDD AIN0 RxD RxD TxD TxD RESET P2.2/BM RESET SD VREF+ RREF VREF– AIN1 5.6k Ω 0.1% 100 Ω PtRTD AIN2 THERMOCOUPLE JUNCTION AIN3 J1 AIN7/VBIAS AGND BEAD 3.3V BEAD USB HEADER 10Ω 10Ω 10Ω 0.01µF 0.01µF 0.1µF 4.7µF 4.7µF 0.1µF 10µF IN 5V D– D+ GND OUT GND ADP1720-3.3 FT232R BEAD FERRITE BEADS: 1kΩ @ 100MHz TAIYO YUDEN BK2125HS102-T 0.1µF SHIELD Figure 1. ADuCM360/ADuCM361 as a Temperature Monitor Controller with a Thermocouple Interface (Simplified Schematic, All Connections Not Shown) |
Similar Part No. - FT232R |
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Similar Description - FT232R |
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