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ADC081S051 Datenblatt(PDF) 1 Page - Texas Instruments |
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ADC081S051 Datenblatt(HTML) 1 Page - Texas Instruments |
1 / 24 page 1 2 3 4 5 6 VA CS GND SDATA VIN SCLK ADC121S021 ADC121S021 www.ti.com SNAS305I – JULY 2005 – REVISED JANUARY 2014 ADC121S021 Single Channel, 50 to 200 ksps, 12-Bit A/D Converter Check for Samples: ADC121S021 1 FEATURES DESCRIPTION The ADC121S021 is a low-power, single channel 23 • Specified Over a Range of Sample Rates. CMOS 12-bit analog-to-digital converter with a high- • 6-Lead WSON and SOT-23 Packages speed serial interface. Unlike the conventional • Variable Power Management practice of specifying performance at a single sample rate only, the ADC121S021 is fully specified over a • Single Power Supply with 2.7V - 5.25V Range sample rate range of 50 ksps to 200 ksps. The • SPI™/QSPI™/MICROWIRE/DSP Compatible converter is based upon a successive-approximation register architecture with an internal track-and-hold APPLICATIONS circuit. • Portable Systems The output serial data is straight binary, and is • Remote Data Acquisition compatible with several standards, such as SPI™, QSPI™, MICROWIRE, and many common DSP • Instrumentation and Control Systems serial interfaces. KEY SPECIFICATIONS The ADC121S021 operates with a single supply that can range from +2.7V to +5.25V. Normal power • DNL +0.45 / -0.25 LSB (typ) consumption using a +3.6V or +5.25V supply is 1.5 • INL +0.45 / -0.4 LSB (typ) mW and 7.9 mW, respectively. The power-down • SNR 72.3 dB (typ) feature reduces the power consumption to as low as 2.6 µW using a +5.25V supply. • Power Consumption The ADC121S021 is packaged in 6-lead WSON and – 3.6V Supply 1.5 mW (typ) SOT-23 packages. Operation over the industrial – 5.25V Supply 7.9 mW (typ) temperature range of −40°C to +85°C is ensured. Table 1. Pin-Compatible Alternatives by Resolution and Speed(1) Specified for Sample Rate Range of: Resolution 50 to 200 ksps 200 to 500 ksps 500 ksps to 1 Msps 12-bit ADC121S021 ADC121S051 ADC121S101 10-bit ADC101S021 ADC101S051 ADC101S101 8-bit ADC081S021 ADC081S051 ADC081S101 (1) All devices are fully pin and function compatible. Connection Diagram Figure 1. WSON or SOT-23 Package See Package Numbers NGF0006A, DBV0006A 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 TRI-STATE is a registered trademark of Texas Instruments. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2014, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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