AD7357 Differential Input, Dual, Simultaneous Sampling, 4.2 MSPS, 14-Bit, SAR ADC
●GENERAL DESCRIPTION
■The AD73571 is a dual, 14-bit, high speed, low power, successive approximation analog-to-digital converter (ADC) that operates from a single 2.5 V power supply and features throughput rates up to 4.2 MSPS. The device contains two ADCs, each preceded by a low noise, wide bandwidth track-and-hold circuit that can handle input frequencies in excess of 110 MHz.
■The conversion process and data acquisition use standard control inputs allowing for easy interfacing to microprocessors or digital signal processors (DSPs). The input signal is sampled on the falling edge of CS; a conversion is also initiated at this point. The conversion time is determined by the SCLK frequency.
■The AD7357 uses advanced design techniques to achieve very low power dissipation at high throughput rates. With a 2.5 V supply and a 4.2 MSPS throughput rate, the device consumes 14 mA typically. The device also offers flexible power and throughput rate management options.
■The analog input range for the device is the differential commonmode ±VREF/2. The AD7357 has an on-chip 2.048 V reference that can be overdriven when an external reference is preferred.The AD7357 is available in a 16-lead thin shrink small outline package (TSSOP) and an 18-lead lead frame chip scale package (LFCSP).
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AD7357 、 AD7352 、 AD7356 、 AD7266 、 AD7866 、 AD7366 、 AD7367 、 AD8138 、 AD8022 、 ADR441 、 ADR431 、 AD7357BRUZ 、 AD7357BRUZ-500RL7 、 AD7357BRUZ-RL 、 AD7357YRUZ 、 AD7357YRUZ-500RL7 、 AD7357YRUZ-RL 、 EVAL-AD7357EDZ 、 EVAL-CED1Z 、 AD7357WYRUZ 、 AD7357WYRUZ-RL 、 AD7357B 、 AD7357Y 、 AD7357WY 、 AD7357W |
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SAR ADC 、 successive approximation analog-to-digital converter 、 ADC |
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[ Automotive radar ][ Data acquisition systems ][ Motion control ][ I and Q demodulation ][ RFID readers ] |
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Datasheet |
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Please see the document for details |
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16-Lead TSSOP;18-Lead LFCSP |
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English Chinese Chinese and English Japanese |
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12/15 |
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Rev.E |
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D07757-0-12/15(E) |
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1.3 MB |
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