I2C-Compatible 10-Bit ADC
ADC101C021, ADC101C027
www.ti.com
SNAS446D – FEBRUARY 2008 – REVISED FEBRUARY 2013
ADC101C021/ADC101C027 I2C-Compatib...
Description
ADC101C021, ADC101C027
www.ti.com
SNAS446D – FEBRUARY 2008 – REVISED FEBRUARY 2013
ADC101C021/ADC101C027 I2C-Compatible, 10-Bit Analog-to-Digital Converter (ADC) with
Alert Function
Check for Samples: ADC101C021, ADC101C027
FEATURES
1
23 I2C-Compatible 2-wire Interface which supports standard (100kHz), fast (400kHz), and high speed (3.4MHz) modes
Extended power supply range (+2.7V to +5.5V) Up to nine pin-selectable chip addresses
(VSSOP-8 only) Out-of-range Alert Function Automatic Power-down mode while not
converting Very small SOT-6 and VSSOP-8 packages ±8kV HBM ESD protection (SDA, SCL)
APPLICATIONS
System Monitoring Peak Detection Portable Instruments Medical Instruments Test Equipment
KEY SPECIFICATIONS
Resolution 10 bits; no missing codes Conversion Time 1µs (typ) INL & DNL ±0.5 LSB (max) Throughput Rate 188.9 kSPS (max) Power Consumption (at 22kSPS)
– 3V Supply 0.26 mW (typ) – 5V Supply 0.78 mW (typ)
DESCRIPTION
The ADC101C021 is a low-power, monolithic, 10-bit, analog-to-digital converter (ADC) that operates from a +2.7 to 5.5V supply. The converter is based on a successive approximation register architecture with an internal track-and-hold circuit that can handle input frequencies up to 11MHz. The ADC101C021 operates from a single supply which also serves as the reference. The device features an I2C-compatible serial interface that operates in all three speed modes, including high speed mode (3.4MHz).
The ADC's Alert feature p...
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