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ADT7411ARQZ1 Datasheet(PDF) 1 Page - Analog Devices |
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ADT7411ARQZ1 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 36 page  SPI®-/I2C®-Compatible, 10-Bit Digital Temperature Sensor and 8-Channel ADC ADT7411 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES 10-bit temperature-to-digital converter 10-bit 8-channel ADC DC input bandwidth Input range: 0 V to 2.25 V and 0 V to VDD Temperature range: −40°C to +120°C Temperature sensor accuracy of ±0.5°C Supply range: 2.7 V to 5.5 V Power-down current : <10 μA Internal 2.25 VREF option Double-buffered input logic I2C, SPI, QSPI™, MICROWIRE™, and DSP compatible 4-wire serial interface SMBus packet error checking (PEC) compatible 16-lead QSOP APPLICATIONS Portable battery-powered instruments PCs Smart battery chargers Telecommunications systems electronic test equipment Domestic appliances Process controls PIN CONFIGURATION 1 2 3 4 5 6 7 8 NC = NO CONNECT 16 15 14 13 12 11 10 9 AIN5 NC CS D+/AIN1 VDD GND AIN6 AIN8 AIN4 SCL/SCLK INT/INT D–/AIN2 AIN3 DOUT/ADD SDA/DIN AIN7 TOP VIEW (Not to Scale) ADT7411 Figure 1. GENERAL DESCRIPTION The ADT74111 combines a 10-bit temperature-to-digital converter and a 10-bit 8-channel ADC in a 16-lead QSOP. This includes a band gap temperature sensor and a 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25°C. The ADT7411 operates from a single 2.7 V to 5.5 V supply. The input voltage on the ADC channels has a range of 0 V to 2.25 V and the input bandwidth is dc. The reference for the ADC channels is derived internally. The ADT7411 provides two serial interface options: a 4-wire serial interface compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, and a 2-wire SMBus/I2C interface. It features a standby mode that is controlled via the serial interface. The ADT7411’s wide supply voltage range, low supply current, and SPI-/I2C-compatible interface make it ideal for a variety of applications, including PCs, office equipment, and domestic appliances. 1 Protected by U.S. Patent Numbers: 6,169,442; 5,867,012; 5,764174. |
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