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ADC121S021CIMF Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza ADC121S021CIMF
Descripción Electrónicos  Single-Channel, 50- to 200-ksps, 12-Bit A/D Converter
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Fabricante Electrónico  TI1 [Texas Instruments]
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ADC121S021CIMF Datasheet(HTML) 1 Page - Texas Instruments

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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.
ADC121S021
SNAS305J – JULY 2005 – REVISED MARCH 2016
ADC121S021 Single-Channel, 50- to 200-ksps, 12-Bit A/D Converter
1
1 Features
1
Specified Over a Range of Sample Rates
Variable Power Management
Single Power Supply With 2.7-V to 5.25-V Range
Compatible With the SPI, QSPI, MICROWIRE,
and DSP
Key Specifications:
DNL: 0.45 and –0.25 LSB (Typical)
INL: 0.45 and –0.4 LSB (Typical)
SNR: 72.3 dB (Typical)
Power Consumption
3.6-V Supply: 1.5 mW (Typical)
5.25-V Supply: 7.9 mW (Typical)
2 Applications
Portable Systems
Remote Data Acquisition
Instrumentation and Control Systems
3 Description
The ADC121S021 device is a low-power, single-
channel CMOS 12-bit analog-to-digital converter with
a high-speed serial interface. Unlike the conventional
practice of specifying performance at a single sample
rate only, the ADC121S021 is fully specified over a
sample rate range of 50 ksps to 200 ksps. The
converter is based upon a successive-approximation
register architecture with an internal track-and-hold
circuit.
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 ADC121S021 operates with a single supply that
can range from 2.7 V to 5.25 V. Normal power
consumption using a 3.6-V or 5.25-V supply is 1.5
mW and 7.9 mW, respectively. The power-down
feature reduces the power consumption to as low as
2.6 µW using a 5.25-V supply.
The ADC121S021 is packaged in 6-pin WSON and
SOT-23 packages. Operation over the industrial
temperature range of –40°C to 85°C is ensured.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
ADC121S021
SOT-23 (6)
2.90 mm × 1.60 mm
WSON (6)
2.50 mm × 2.20 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Key Graphic


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