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ADC128S022CIMT Datasheet(PDF) 1 Page - National Semiconductor (TI) |
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ADC128S022CIMT Datasheet(HTML) 1 Page - National Semiconductor (TI) |
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1 / 18 page  ADC128S022 8-Channel, 50 kSPS to 200 kSPS, 12-Bit A/D Converter General Description The ADC128S022 is a low-power, eight-channel CMOS 12- bit analog-to-digital converter specified for conversion throughput rates of 50 kSPS to 200 kSPS. The converter is based on a successive-approximation register architecture with an internal track-and-hold circuit. It can be configured to accept up to eight input signals at inputs IN0 through IN7. The output serial data is straight binary and is compatible with several standards, such as SPI™, QSPI, MICROWIRE, and many common DSP serial interfaces. The ADC128S022 may be operated with independent ana- log and digital supplies. The analog supply (V A) can range from +2.7V to +5.25V, and the digital supply (V D) can range from +2.7V to V A. Normal power consumption using a +3V or +5V supply is 1.2 mW and 7.5 mW, respectively. The power- down feature reduces the power consumption to 0.06 µW using a +3V supply and 0.25 µW using a +5V supply. The ADC128S022 is packaged in a 16-lead TSSOP pack- age. Operation over the extended industrial temperature range of −40˚C to +105˚C is guaranteed. Features n Eight input channels n Variable power management n Independent analog and digital supplies n SPI™/QSPI™/MICROWIRE™/DSP compatible n Packaged in 16-lead TSSOP Key Specifications n Conversion Rate 50 kSPS to 200 kSPS n DNL (V A =VD = 5.0 V) +1.0 / −0.7 LSB (max) n INL (V A =VD = 5.0 V) ±1.0 LSB (max) n Power Consumption — 3V Supply 1.2 mW (typ) — 5V Supply 7.5 mW (typ) Applications n Automotive Navigation n Portable Systems n Medical Instruments n Mobile Communications n Instrumentation and Control Systems Connection Diagram 20162705 Ordering Information Order Code Temperature Range Description ADC128S022CIMT −40˚C to +105˚C 16-Lead TSSOP Package ADC128S022CIMTX −40˚C to +105˚C 16-Lead TSSOP Package, Tape & Reel ADC128S022EVAL Evaluation Board TRI-STATE® is a trademark of National Semiconductor Corporation. MICROWIRE™ is a trademark of National Semiconductor Corporation. QSPI™ and SPI™ are trademarks of Motorola, Inc. August 2005 © 2005 National Semiconductor Corporation DS201627 www.national.com |
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