ADS7028IRTER

Name: ADS7028IRTER
Rating: 4.5 (10 reviews)

Small 8-channel 12-bit analog-to-digital converter (ADC) with SPI, GPIOs and CRC 16-WQFN -40 to 85

3,902 Effective Inventory

ADS7028IRTER

Effective Inventory3,902

Small 8-channel 12-bit analog-to-digital converter (ADC) with SPI, GPIOs and CRC 16-WQFN -40 to 85

Manufacturer Part # : ADS7028IRTER
Package/Case: WQFN-16
Brand: Texas Instruments
Product Categories : Analog to Digital Converters (ADC)

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ADS7028IRTER DataSheet

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Details

The ADS7028IRTER is an easy-to-use,8-channel, multiplexed, 12-bit, 1-MSPS, successive approximation register analog-to-digitalconverter (SAR ADC). The eight channels can be independently configured as either analog inputs,digital inputs, or digital outputs. The device has aninternal oscillator for the ADC conversion process.The ADS7028 communicates through anSPI-compatible interface and operates in either autonomous or single-shot conversion mode. TheADS7028 implements the analog watchdog function by event-triggeredinterrupts per channel using a digital window comparator with programmable high and low thresholds,hysteresis, and an event counter. The ADS7028 has a built-in cyclicredundancy check (CRC) for data read/write operations and the power-up configuration.The ADS7028 features a root-mean-square (RMS) module that computes a 16-bittrue RMS result for any analog input channel. The integrated zero-crossing-detect (ZCD) moduleallows for transient rejection and hysteresis near the configurable thresholdcrossings.

ADS7028IRTER Pinout

Key Features

Small package size:
- WQFN 3 mm × 3 mm
8 channels configurable as anycombination of:
- Up to 8 analog inputs, digital inputs, or digitaloutputs
GPIOs for I/Oexpansion:
- Open-drain, push-pull digital outputs
Analogwatchdog:
- Programmable thresholds perchannel
- Event counter for transient rejection
Wide operatingranges:
- AVDD: 2.35 V to 5.5 V
- DVDD:1.65 V to 5.5 V
- –40°C to+85°C temperature range
Enhanced-SPI digital interface:
- High-speed, 60-MHz interface
- Achieve full throughput with >13.5-MHz SPI
CRC for read/writeoperation:
- CRC on data read/write
- CRC on power-up configuration
Programmable averagingfilters
Root-mean-squaremodule:
- 16-bit true RMS output
- Programmable RMS time window
Zero-crossing-detect module:
- ZCD output corresponding to analoginput
- Built-in transient rejection andhysteresis
- Digitally adjustabledetection threshold

Application

• Refrigerator and freezer
• Rack server
• Mixed module (AI, AO, DI, DO)
• AC drive power stage module

ADS7028 Block Diagram and Applications

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Pbfree Code	Yes	Rohs Code	Yes
Part Life Cycle Code	Active	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code !	8542.39.00.01
Date Of Intro	2019-07-04	Analog Input Voltage-Max	5.5 V
Analog Input Voltage-Min		Conversion Time-Max	0.6 µs
Converter Type	ADC, SUCCESSIVE APPROXIMATION	JESD-30 Code	S-PQCC-N16
JESD-609 Code	e4	Length	3 mm
Linearity Error-Max (EL)	0.0488%	Moisture Sensitivity Level	1
Number of Analog In Channels	8	Number of Bits	12
Number of Functions	1	Number of Terminals	16
Operating Temperature-Max	85 °C	Operating Temperature-Min	-40 °C
Output Bit Code	BINARY	Output Format !	SERIAL
Package Body Material	PLASTIC/EPOXY	Package Code	HVQCCN
Package Shape	SQUARE	Package Style	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel)	260	Sample Rate	1 MHz
Seated Height-Max	0.8 mm	Supply Voltage-Min	1.65 V
Supply Voltage-Nom	3.3 V	Surface Mount !	YES
Temperature Grade !	INDUSTRIAL	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form !	NO LEAD	Terminal Pitch !	0.5 mm
Terminal Position	QUAD	Time@Peak Reflow Temperature-Max (s)	30
Width	3 mm

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification ADS7028IRTER PDF Download

FAQs

What is ADS7028IRTER?

The ADS7028IRTER is a precision 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for high-accuracy measurement applications that require a good balance between resolution and speed.

How Does ADS7028IRTER Work?

The ADS7028IRTER operates by converting analog input signals into digital data with 12-bit resolution. It utilizes a successive approximation register (SAR) architecture to achieve accurate conversion results. The ADC features a low-power design and offers programmable features for versatile applications.

How Many Pins does ADS7028IRTER have and What are the Functions of the Pinout Configuration?

The ADS7028IRTER is housed in a 16-lead WQFN (Wettable Quad Flat No-Lead) package. The pinout configuration includes:

VDD, AGND: Power supply and analog ground pins, respectively.
REFP, REFN: Reference voltage input pins.
INP, INM: Analog input pins for single-ended or differential signals.
CLK, CS, DIN, DOUT/DRDY: Serial interface control and data pins.
CONVST/SDI, SCLK, EOC, RESET: Control pins for conversion start, serial communication, end of conversion, and reset.

What are the Pros and Cons of ADS7028IRTER?

Pros:

Precision: Provides 12-bit resolution for accurate measurements.
Low Power Consumption: Designed for low-power operation, suitable for battery-powered devices.
Programmable Features: Offers programmable settings for flexibility in different applications.
Compact Package: The 16-lead WQFN package is space-saving and suitable for compact designs.

Cons:

Lower Resolution: May not be suitable for applications requiring higher resolution ADCs.
Speed Limitations: Limited speed compared to higher-end ADCs.
External Components: May require external components for certain applications to optimize performance.

Are There Any Equivalents/Alternatives to ADS7028IRTER for Recommendation?

The ADS7028 from Texas Instruments is a similar 12-bit ADC with comparable features.
Alternatives to the ADS7028IRTER include the MCP3201 from Microchip Technology and the ADS7825 from Texas Instruments.

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ADS7028IRTER

ADS7028IRTER

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