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AD5532 bảng dữ liệu(PDF) 1 Page - Analog Devices |
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AD5532 bảng dữ liệu(HTML) 1 Page - Analog Devices |
1 / 16 page REV. 0 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 which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD5532* One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2000 32-Channel, 14-Bit Voltage-Output DAC FUNCTIONAL BLOCK DIAGRAM SYNC / CS WR CAL A4 –A0 SCLK OFFSET SEL AD5532 DVCC VIN DIN DOUT ADDRESS INPUT REGISTER AVCC REF IN REF OUT OFFS IN INTERFACE CONTROL LOGIC OFFS OUT VOUT 31 VOUT 0 TRACK / RESET BUSY DAC GND AGND DGND SER / PAR VDD VSS DAC DAC ADC MUX DAC GENERAL DESCRIPTION The AD5532 is a 32-channel voltage-output 14-bit DAC with an additional infinite sample-and-hold mode. The selected DAC register is written to via the 3-wire serial interface and VOUT for this DAC is then updated to reflect the new contents of the DAC register. DAC selection is accomplished via address bits A0–A4. The output voltage range is determined by the offset voltage at the OFFS_IN pin and the gain of the output amplifier. It is restricted to a range from VSS + 2 V to VDD – 2 V because of the headroom of the output amplifier. The device is operated with AVCC = 5 V ± 5%, DVCC = 2.7 V to 5.25 V, VSS = –4.75 V to –16.5 V and VDD = 8 V to 16.5 V and requires a stable +3 V reference on REF_IN as well as an offset voltage on OFFS_IN. PRODUCT HIGHLIGHTS 1. 32-channel, 14-bit DAC in one package, guaranteed monotonic. 2. The AD5532 is available in a 74-lead LFBGA package with a body size of 12 mm × 12 mm. 3. Droopless/Infinite Sample-and-Hold Mode. FEATURES High Integration: 32-Channel DAC in 12 12 mm2 LFBGA Adjustable Voltage Output Range Guaranteed Monotonic Readback Capability DSP-/Microcontroller-Compatible Serial Interface Output Impedance 0.5 (AD5532-1, AD5532-2) 500 (AD5532-3) 1 k (AD5532-5) Output Voltage Span 10 V (AD5532-1, AD5532-3, AD5532-5) 20 V (AD5532-2) Infinite Sample-and-Hold Capability to 0.018% Accuracy Temperature Range –40 C to +85 C APPLICATIONS Level Setting Instrumentation Automatic Test Equipment Industrial Control Systems Data Acquisition Low Cost I/O *Protected by U.S. Patent No. 5,969,657; other patents pending. |
Số phần tương tự - AD5532 |
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Mô tả tương tự - AD5532 |
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