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TLA2021IRUGR Folha de dados(PDF) 1 Page - Texas Instruments

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Nome de Peças TLA2021IRUGR
Descrição Electrónicos  Cost-Optimized, Ultra-Small, 12-Bit, System-Monitoring ADCs
Download  33 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

TLA2021IRUGR Folha de dados(HTML) 1 Page - Texas Instruments

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3.3 V
3.3 V
TLA2024
AIN0
AIN1
AIN3
Mux
Oscillator
PGA
12-Bit
û¯
ADC
Voltage
Reference
GND
VDD
I
2C
Interface
SDA
ADDR
SCL
AIN2
3.3 V
I
2C Bus
Analog Output
Temperature
Sensor IC
Current
Sense
Amplifier
RSHUNT
Power Supply
Monitoring
RBIAS
Thermistor
3.3 V
Copyright © 2017, Texas Instruments Incorporated
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Folder
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Now
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Documents
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Software
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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.
TLA2021, TLA2022, TLA2024
SBAS846 – NOVEMBER 2017
TLA202x Cost-Optimized, Ultra-Small, 12-Bit, System-Monitoring ADCs
1
1 Features
1
Industry’s Lowest-Cost 12-Bit Delta-Sigma ADCs
Ultra-Small X2QFN Package: 2 mm × 1.5 mm
Highly Integrated:
4 Single-Ended or 2 Differential Inputs Make
the TLA2024 the Industry’s Highest Channel
Density ADC (0.75 mm² per Channel)
PGA (TLA2022 and TLA2024 Only)
Voltage Reference
Oscillator
Low Current Consumption: 150 µA
Wide Supply Range: 2 V to 5.5 V
Programmable Data Rate: 128 SPS to 3.3 kSPS
I2C™ Compatible Interface:
Supports Standard-Mode and Fast-Mode
Three Pin-Selectable I2C Addresses
Operating Temperature Range: –40°C to +85°C
2 Applications
Personal Electronics:
TVs, Tablets, Cell Phones
Wearables
Drones, Toys
Home and Kitchen Appliances
Building Automation:
HVACs, Smoke Detectors
Battery Voltage and Current Monitoring
Temperature Sensing
Battery-Powered, Portable Instrumentation
3 Description
The TLA2021, TLA2022, and TLA2024 devices
(TLA202x) are easy-to-use, low-power, 12-bit delta-
sigma
(ΔΣ)
analog-to-digital
converters
(ADCs)
targeted
for
any
type
of
system-monitoring
applications (such as supply or battery voltage
supervision,
current
sensing,
or
temperature
measurements). Offered in an ultra-small, leadless,
10-pin X2QFN package, the TLA2021 and TLA2022
are single-channel ADCs while the TLA2024 features
a flexible input multiplexer (MUX) with two differential
or four single-ended input measurement options.
The TLA202x integrate a voltage reference and
oscillator. Additionally, the TLA2022 and TLA2024
include a programmable gain amplifier (PGA) with
selectable input ranges from ±256 mV to ±6.144 V,
enabling both large- and small-signal measurements.
The TLA202x communicate via an I2C-compatible
interface and operate in either continuous or single-
shot conversion mode. The devices automatically
power down after one conversion in single-shot
conversion
mode,
significantly
reducing
power
consumption during idle periods.
All of these features, along with a wide operating
supply voltage range, make the TLA202x suitable for
power- and space-constrained, system-monitoring
applications.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TLA2021
X2QFN (10)
1.50 mm × 2.00 mm
TLA2022
TLA2024
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
System-Monitoring Application Example


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