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ADC081C027 Fiches technique(PDF) 1 Page - Texas Instruments |
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ADC081C027 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 41 page ADC081C021, ADC081C027 www.ti.com SNAS447C – FEBRUARY 2008 – REVISED MARCH 2013 ADC081C021/ADC081C027 I2C-Compatible, 8-Bit Analog-to-Digital Converter with Alert Function Check for Samples: ADC081C021, ADC081C027 1 FEATURES DESCRIPTION The ADC081C021 is a low-power, monolithic, 8-bit, 23 • I2C-Compatible 2-Wire Interface Which analog-to-digital converter (ADC) that operates from a Supports Standard (100kHz), Fast (400kHz), +2.7 to 5.5V supply. The converter is based on a and High Speed (3.4MHz) Modes successive approximation register architecture with • Extended Power Supply Range (+2.7V to an internal track-and-hold circuit that can handle input +5.5V) frequencies up to 11MHz. The ADC081C021 operates from a single supply which also serves as • Up to Nine Pin-Selectable Chip Addresses the reference. The device features an I2C-compatible (VSSOP-8 only) serial interface that operates in all three speed • Out-of-Range Alert Function modes, including high speed mode (3.4MHz). • Automatic Power-Down Mode While Not The ADC's Alert feature provides an interrupt that is Converting activated when the analog input violates a • Very Small SOT-6 and VSSOP-8 Packages programmable upper or lower limit value. The device features an automatic conversion mode, which frees • ±8kV HBM ESD Protection (SDA, SCL) up the controller and I2C interface. In this mode, the ADC continuously monitors the analog input for an APPLICATIONS "out-of-range" condition and provides an interrupt if • System Monitoring the measured voltage goes out-of-range. • Peak Detection The ADC081C021 comes in two packages: a small • Portable Instruments SOT-6 package with an alert output, and an VSSOP- 8 package with an alert output and two address • Medical Instruments selection inputs. The ADC081C027 comes in a small • Test Equipment SOT-6 package with an address selection input. The ADC081C027 provides three pin-selectable KEY SPECIFICATIONS addresses while the VSSOP-8 version of the ADC081C021 provides nine pin-selectable • Resolution: 8 bits; No Missing Codes addresses. Pin-compatible alternatives to the SOT-6 • Conversion Time 1 µs (Typ) options are available with additional address options. • INL & DNL: ±0.2 LSB (Max) Normal power consumption using a +3V or +5V • Throughput Rate: 188.9 ksps (Max) supply is 0.26mW or 0.78mW, respectively. The • Power Consumption (at 22ksps): automatic power-down feature reduces the power consumption to less than 1µW while not converting. – 3V Supply: 0.26 mW (Typ) Operation over the industrial temperature range of – 5V Supply: 0.78 mW (Typ) −40°C to +105°C is ensured. Their low power consumption and small packages make this family of ADCs an excellent choice for use in battery operated equipment. The ADC081C021 and ADC081C027 are part of a family of pin-compatible ADCs that also provide 10- and 12-bit resolution. For 10-bit ADCs see the ADC101C021 and ADC101C027. For 12-bit ADCs see the ADC121C021 and ADC121C027. 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 I2C is a registered trademark of Phillips Corporation.. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2008–2013, 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. |
Numéro de pièce similaire - ADC081C027 |
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Description similaire - ADC081C027 |
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