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AD15700 数据表(PDF) 1 Page - Analog Devices |
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AD15700 数据表(HTML) 1 Page - Analog Devices |
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1 / 44 page  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. 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 companies. 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 © 2003 Analog Devices, Inc. All rights reserved. AD15700 1 MSPS 16-/14-Bit Analog I/O Port FEATURES 16-Bit A/D Converter 1 MSPS S/(N + D): 90 dB Typ @ 250 kHz No Pipeline Delay 14-Bit D/A Converter Settling Time: 1 s S/N: 92 dB Typ 2 80 MHz Amplifiers 30 V/ s Slew Rate Rail-to-Rail Input and Output Output Current 15 mA 2 Gain Setting Center Tapped Resistors Resistor Ratio Tracking: 2 ppm/ C Unipolar Operation SPI®/QSPI™/MICROWIRE™/DSP Compatible 132 mW Typical Power Dissipation APPLICATIONS Optical MEMS Mirror Control Industrial Process Control Data Acquisition Instrumentation Communication PRODUCT HIGHLIGHTS 1. Fast Throughput ADC. The AD15700 incorporates a high speed, 1 MSPS, 16-bit SAR ADC. 2. Superior ADC INL. The 16-bit ADC has a maximum integral nonlineariy of 2.5 LSB with no missing codes. 3. Two Precision Resistor Networks with 2 ppm/ ∞C Ratio Tracking for Gain Setting. 4. Low Power Consumption. Typically 132 mW at maximum performance levels. 5. Industrial Temperature Range: –40 ∞C to +85∞C. GENERAL DESCRIPTION The AD15700 is a precision component to interface analog input and output channels to a digital processor. It is ideal for area- limited applications that require maximum circuit density. The AD15700 contains the functionality of a 16-bit, 1 MSPS charge redistribution SAR analog-to-digital converter that operates from a 5 V power supply. The high speed 16-bit sampling ADC incor- porates a resistor input scaler that allows various input ranges, an internal conversion clock, error correction circuits, and both serial and parallel system interface ports. The AD15700 also contains a 14-bit, serial input, voltage output DAC that operates from a 5 V supply and has a settling time of 1 ms. Two single- or split-supply voltage feedback amplifiers with rail-to-rail input and output characteristics featuring 80 MHz of small signal bandwidth and 10 mV/∞C offset drift provide ADC and DAC buffering capability. The center tapped 3 k W resistors are precision resistor networks with 2 ppm/ ∞C ratio tracking that provide low gain drift when used for scaling. The ADC, DAC, and amp functions are electrically isolated from each other to provide maximum design flexibility. Input and output signal conditioning circuits for the converters can be easily configured with short interconnects under the device at the board level. The AD15700 is available in a 10 mm CSPBGA package. FUNCTIONAL BLOCK DIAGRAM SERIAL PORT PARALLEL INTERFACE 16 R 2R 4R 4R SAR ADC CONTROL LOGIC AND CALIBRATION CIRCUITRY CLOCK SWITCHED CAP DAC OVDD OGND SER/ PAR BUSY D[15:0] CS_ADC RD OB/ 2C BYTESWAP WARP IMPULSE CNVST AVDD AGND_ADC REF REFGND DVDD DGND ADC IND(4R) INC(4R) INB(2R) INA(R) INGND PD RESET SERIAL INPUT REGISTER 14-BIT DATA LATCH CONTROL LOGIC 14-BIT DAC VDD_DAC DGND_DAC CS_DAC DIN SCLK VREF VOUT_DAC AGND_DAC –VS2 +VS2 –VS1 +VS1 AD15700 RA1 RB1 RC1 RB2 RC2 RA2 +IN2 –IN2 VOUT2 –IN1 +IN1 VOUT1 RPAD2 RPAD1 COMMON 1.5k 1.5k 1.5k 1.5k |
类似零件编号 - AD15700 |
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类似说明 - AD15700 |
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