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ADT7519ARQZ1-REEL 数据表(PDF) 1 Page - Analog Devices |
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ADT7519ARQZ1-REEL 数据表(HTML) 1 Page - Analog Devices |
1 / 44 page SPI/I2C Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output DAC ADT7516/ADT7517/ADT7519 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES ADT7516—four 12-bit DACs ADT7517—four 10-bit DACs ADT7519—four 8-bit DACs Buffered voltage output Guaranteed monotonic by design over all codes 10-bit temperature-to-digital converter 10-bit 4-channel ADC DC input bandwidth Input range: 0 V to 2.28 V Temperature range: –40°C to +120°C Temperature sensor accuracy of typ: ±0.5°C Supply range: 2.7 V to 5.5 V DAC output range: 0 V to 2 VREF Power-down current: 1 µA Internal 2.28 VREF option Double-buffered input logic Buffered reference input Power-on reset to 0 V DAC output Simultaneous update of outputs (LDAC function) On-chip rail-to-rail output buffer amplifier SPI®, I2C®, QSPI™, MICROWIRE™, and DSP compatible 4-wire serial interface SMBus packet error checking (PEC) compatible 16-lead QSOP package APPLICATIONS Portable battery-powered instruments Personal computers Smart battery chargers Telecommunications systems Electronic text equipment Domestic appliances Process control PIN CONFIGURATION ADT7516/ ADT7517/ ADT7519 TOP VIEW (Not to Scale) VOUT-B 1 VOUT-C 16 VOUT-A 2 VOUT-D 15 VREF-IN 3 AIN4 14 CS 4 SCL/SCLK 13 GND 5 SDA/DIN 12 VDD 6 DOUT/ADD 11 D+/AIN1 7 INT/INT 10 D–/AIN2 8 LDAC/AIN3 9 Figure 1. GENERAL DESCRIPTION The ADT7516/ADT7517/ADT75191 combine a 10-bit temp- erature-to-digital converter, a 10-bit 4-channel ADC, and a quad 12-/10-/8-bit DAC, respectively, in a 16-lead QSOP package. The parts also include 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 ADT7516/ADT7517/ ADT7519 operate from a single 2.7 V to 5.5 V supply. The input voltage range on the ADC channels is 0 V to 2.28 V, and the input bandwidth is dc. The reference for the ADC channels is derived internally. The output voltage of the DAC ranges from 0 V to VDD, with an output voltage settling time of 7 ms typical. The ADT7516/ADT7517/ADT7519 provide two serial interface options: a 4-wire serial interface that is compatible with SPI, QSPI, MICROWIRE, and DSP interface standards, and a 2-wire SMBus/I2C interface. They feature a standby mode that is controlled through the serial interface. The reference for the four DACs is derived either internally or from a reference pin. The outputs of all DACs may be updated simultaneously using the software LDAC function or the external LDAC pin. The ADT7516/ADT7517/ADT7519 incorporate a power-on reset circuit, which ensures that the DAC output powers up to 0 V and remains there until a valid write takes place. The ADT7516/ADT7517/ADT7519’s wide supply voltage range, low supply current, and SPI/I2C compatible interface make them ideal for a variety of applications, including personal computers, office equipment, and domestic appliances. 1 Protected by the following U.S. Patent Numbers: 6,169,442; 5,867,012; 5,764174. Other patents pending. |
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类似说明 - ADT7519ARQZ1-REEL |
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