ADS7805U

Name: ADS7805U
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Analog to Digital Converters with a 16-bit resolution and a sampling rate of 10 microseconds

3,377 Effective Inventory

ADS7805U

Effective Inventory3,377

Analog to Digital Converters with a 16-bit resolution and a sampling rate of 10 microseconds

Manufacturer Part # : ADS7805U
Package/Case: SOIC (DW)-28
Brand: Texas Instruments
Product Categories : Analog to Digital Converters (ADC)
Series : ADS7805

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ADS7805U DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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ADS7805U Details

The ADS7805U is a 16-bit, 10us sampling CMOS analog-to-digital converter from Texas Instruments, designed for reliable data acquisition in various applications. This device features a standard ±10V input range, high sampling rate, and low power consumption, making it suitable for compact circuit designs.

Pinout

1 (DOUT): Digital Output
2 (VREF): Voltage Reference Input
3 (SCLK): Serial Clock Input
4 (SDATA): Serial Data Input/Output
5 (GND): Ground
6 (VCC): Positive Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

100kHz min Sampling Rate: Enables fast and reliable data acquisition.
Standard ±10V input range: Supports a wide range of analog signals.
Low Power Consumption: Suitable for battery-powered or low-power applications.

Applications

Data Acquisition Systems: Ideal for measuring and recording analog signals in various industries, such as automotive, medical, and industrial control.
Embedded Systems: Suitable for use in embedded systems, including microcontrollers and single-board computers.

Where to Use

The ADS7805U is suitable for applications that require reliable analog-to-digital conversion, such as data acquisition systems, industrial control systems, and embedded systems. It is ideal for use in environments where low power consumption and high sampling rates are important.

How to Use

Connect the ADS7805U to your analog signal source by wiring the VREF pin to the desired voltage level. Ensure proper power supply connections to VCC and GND. Use the SCLK, SDATA, and DOUT pins to control and monitor data transmission. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the ADS7805U illustrates how to connect the converter to an analog signal source. It includes connections for power supply, ground, and analog input lines, ensuring proper operation and reliable data acquisition.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

ADS7806: A similar 16-bit analog-to-digital converter from Texas Instruments offering comparable features and performance.
MAX187: An alternative 16-bit analog-to-digital converter from Maxim Integrated with equivalent functionality.

Complementary

The ADS7805U can be complemented by the ADS7828, which offers higher resolution and enhanced features for more demanding data acquisition applications.

When selecting complementary converters, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum sampling rate supported by the ADS7805U?

A: The ADS7805U supports a minimum sampling rate of 100kHz. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the ADS7805U be used in industrial control systems?

A: Yes, the ADS7805U is suitable for use in industrial control systems, offering reliable analog-to-digital conversion and low power consumption.

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	Part Package Code	SOIC
Pin Count !	28	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code !	8542.39.00.01
Analog Input Voltage-Max	10 V	Analog Input Voltage-Min	-10 V
Conversion Time-Max	8 µs	Converter Type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 Code	R-PDSO-G28	JESD-609 Code	e4
Length	17.9 mm	Linearity Error-Max (EL)	0.0061%
Moisture Sensitivity Level	3	Number of Analog In Channels	1
Number of Bits	16	Number of Functions	1
Number of Terminals	28	Operating Temperature-Max	85 °C
Operating Temperature-Min	-25 °C	Output Bit Code	2'S COMPLEMENT BINARY
Output Format !	PARALLEL, WORD	Package Body Material	PLASTIC/EPOXY
Package Code	SOP	Package Equivalence Code	SOP28,.4
Package Shape	RECTANGULAR	Package Style	SMALL OUTLINE
Peak Reflow Temperature (Cel)	260	Power Supplies !	5 V
Qualification Status !	Not Qualified	Sample Rate	0.1 MHz
Sample and Hold / Track and Hold	SAMPLE	Seated Height-Max	2.65 mm
Supply Voltage-Min	4.75 V	Supply Voltage-Nom	5 V
Surface Mount !	YES	Technology	CMOS
Temperature Grade !	OTHER	Terminal Finish	NICKEL PALLADIUM GOLD
Terminal Form !	GULL WING	Terminal Pitch !	1.27 mm
Terminal Position	DUAL	Time@Peak Reflow Temperature-Max (s)	30
Width	7.5 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 ADS7805U PDF Download

FAQs

What is ADS7805U?

The ADS7805U is a 12-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It is designed for applications requiring high-resolution conversion of analog signals into digital data, such as industrial automation, data acquisition systems, and medical instrumentation.

How Does ADS7805U Work?

The ADS7805U operates by converting analog input voltages into 12-bit digital output with high accuracy and linearity. It utilizes a successive approximation register (SAR) architecture to achieve fast conversion speeds while maintaining high resolution. The ADC features internal voltage reference and operates on a single power supply.

How Many Pins does ADS7805U have and What are the Functions of the Pinout Configuration?

The ADS7805U comes in a 28-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Supply voltage pin.
GND: Ground pin.
REFIN(+), REFIN(-): Reference voltage input pins.
AGND, DGND: Analog and digital ground pins.
AIN(+), AIN(-): Analog input pins.
CLK, CS, DOUT, DIN: Serial interface control pins.
EOC: End of conversion output pin.

What are the Pros and Cons of ADS7805U?

Pros:

High Resolution: Provides 12-bit resolution for detailed analog-to-digital conversion.
Fast Conversion Speed: Utilizes SAR architecture for quick conversion times.
Internal Reference: Integrated voltage reference for simplified system design.
Single Supply Operation: Can operate on a single power supply, reducing system complexity.
Wide Application Range: Suitable for diverse applications requiring high-resolution ADC.

Cons:

Power Consumption: May have higher power consumption compared to lower-resolution ADCs.
Cost: Higher resolution ADCs like the ADS7805U may come at a higher price point.
Layout Considerations: Requires careful board layout and noise considerations for optimal performance.

Are There Any Equivalents/Alternatives to ADS7805U for Recommendation?

The ADS7806 from Texas Instruments is a 16-bit ADC with similar features and performance.
Alternatives to the ADS7805U include the MAX1241 from Maxim Integrated and the LTC1867 from Analog Devices.