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ADC128S102 Datasheet(PDF) 1 Page - Texas Instruments |
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ADC128S102 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 29 page SAR ADC VA VD IN7 IN6 IN5 IN4 IN3 IN2 IN1 IN0 AGND DGND 4-wire SPI VIN7 VIN3 VIN0 MCU VA is used as the Reference for the ADC VD can be set independently of VA “Digital” Supply Rail “Analog” Supply Rail Product Folder Sample & Buy Technical Documents Tools & Software Support & Community ADC128S102 SNAS298G – AUGUST 2005 – REVISED JANUARY 2015 ADC128S102 8-Channel, 500-ksps to 1-Msps, 12-Bit A/D Converter 1 Features 3 Description The ADC128S102 is a low-power, eight-channel 1 • Eight Input Channels CMOS 12-bit analog-to-digital converter specified for • Variable Power Management conversion throughput rates of 500 ksps to 1 MSPS. • Independent Analog and Digital Supplies The converter is based on a successive- approximation register architecture with an internal • SPI/QSPI™/MICROWIRE™/DSP Compatible track-and-hold circuit. It can be configured to accept • Packaged in 16-Lead TSSOP up to eight input signals at inputs IN0 through IN7. • Key Specifications The output serial data is straight binary and is – Conversion Rate 500 ksps to 1 MSPS compatible with several standards, such as SPI, – DNL (VA = VD = 5.0 V) +1.5 / −0.9 QSPI, MICROWIRE, and many common DSP serial interfaces. – LSB (maximum) INL (VA = VD = 5.0 V) ±1.2 LSB (maximum) The ADC128S102 may be operated with independent – Power Consumption analog and digital supplies. The analog supply (VA) can range from +2.7 V to +5.25 V, and the digital – 3V Supply 2.3 mW (typical) supply (VD) can range from +2.7 V to VA. Normal – 5V Supply 10.7 mW (typical) power consumption using a +3-V or +5-V supply is 2.3 mW and 10.7 mW, respectively. The power-down 2 Applications feature reduces the power consumption to 0.06 µW using a +3-V supply and 0.25 µW using a +5-V • Automotive Navigation supply. • Portable Systems The ADC128S102 is packaged in a 16-lead TSSOP • Medical Instruments package. Operation over the extended industrial • Mobile Communications temperature range of −40°C to +105°C is ensured. • Instrumentation and Control Systems Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) ADC128S102 TSSOP (16) 5.00 mm x 4.40 mm (1) For all available packages, see the orderable addendum at the end of the datasheet. Simplified Schematic 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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