Datasheet > ADC101C021

ADC101C021

更新时间： 2024-11-01 12:54:39

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德州仪器 - TI		转换器
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描述
ADC081C021/ADC081C027 I2C-Compatible, 8-Bit Analog-to-Digital Converter with Alert

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ADC101C021 数据手册

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

FEATURES

DESCRIPTION

•

I²C-Compatible 2-Wire Interface Which

Supports Standard (100kHz), Fast (400kHz),

and High Speed (3.4MHz) Modes

The ADC081C021 is a low-power, monolithic, 8-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 ADC081C021

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).

•

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

The ADC's Alert feature provides an interrupt that is

activated when the analog input violates

•

Very Small SOT-6 and VSSOP-8 Packages

±8kV HBM ESD Protection (SDA, SCL)

programmable upper or lower limit value. The device

features an automatic conversion mode, which frees

up the controller and I²C interface. In this mode, the

ADC continuously monitors the analog input for an

"out-of-range" condition and provides an interrupt if

the measured voltage goes out-of-range.

APPLICATIONS

•

System Monitoring

Peak Detection

The ADC081C021 comes in two packages: a small

SOT-6 package with an alert output, and an VSSOP-

8 package with an alert output and two address

selection inputs. The ADC081C027 comes in a small

SOT-6 package with an address selection input. The

Portable Instruments

Medical Instruments

Test Equipment

ADC081C027

addresses while the VSSOP-8 version of the

ADC081C021 provides nine pin-selectable

addresses. Pin-compatible alternatives to the SOT-6

options are available with additional address options.

provides

three

pin-selectable

KEY SPECIFICATIONS

•

Resolution: 8 bits; No Missing Codes

Conversion Time 1 µs (Typ)

INL & DNL: ±0.2 LSB (Max)

Normal power consumption using a +3V or +5V

supply is 0.26mW or 0.78mW, respectively. The

automatic power-down feature reduces the power

consumption to less than 1µW while not converting.

Operation over the industrial temperature range of

−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.

Throughput Rate: 188.9 ksps (Max)

Power Consumption (at 22ksps):

–

3V Supply: 0.26 mW (Typ)

5V Supply: 0.78 mW (Typ)

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.

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.

I2C is a registered trademark of Phillips Corporation..

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...41

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与ADC101C021相关器件

型号	品牌	获取价格	描述	数据表
ADC101C021_14	TI	获取价格	I2C-Compatible, 10-Bit Analog-to-Digital Converter (ADC) with Alert Function
ADC101C021_15	TI	获取价格	10-Bit Analog-to-Digital Converter
ADC101C021CIMK	NSC	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, TSOT-6, Analog to Digit
ADC101C021CIMK/NOPB	TI	获取价格	10-Bit Analog-to-Digital Converter
ADC101C021CIMKX	NSC	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO6, TSOT-6, Analog to Digit
ADC101C021CIMKX/NOPB	TI	获取价格	10-Bit Analog-to-Digital Converter
ADC101C021CIMM	NSC	获取价格	IC 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MSOP-8, Analog to Digit
ADC101C021CIMM/NOPB	TI	获取价格	10-Bit Analog-to-Digital Converter
ADC101C021CIMMX	TI	获取价格	1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8, MSOP-8
ADC101C021CIMMX/NOPB	TI	获取价格	I2C-Compatible, 10-Bit Analog-to-Digital Converter (ADC) with Alert Pin 8-VSSOP

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