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ADC101C027 데이터시트(PDF) 1 Page - Texas Instruments

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부품명 ADC101C027
상세설명  ADC081C021/ADC081C027 I2C-Compatible, 8-Bit Analog-to-Digital Converter with Alert
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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.


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