ADS7822U

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ADS7822U

IC ADC 12BIT SAR 8SOIC

  • Nhà sản xuất
  • Ông. Phần #ADS7822U
  • Gói SOIC (D)-8
  • Bảng dữ liệu
  • Có sẵn2611

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tube
Series microPOWER™
ProductStatus Active
NumberofBits 12
SamplingRate(PerSecond) 200k
NumberofInputs 1
InputType Pseudo-Differential
DataInterface SPI
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 3.6V, 5V
Voltage-SupplyDigital 2.7V ~ 3.6V, 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

Tổng quan

Description

The ADS7822U is a high-performance, 12-bit analog-to-digital converter (ADC) designed for precision applications in industrial and consumer electronics. It features a low power consumption of around 1 mW, making it suitable for battery-operated devices. The ADC operates with a sampling rate of up to 1.5 MSPS (mega samples per second), enabling rapid data acquisition.
Key specifications include a reference voltage range of 1.2V to 5V, differential input configuration, and an integrated digital filter for noise reduction. The device supports both SPI and I²C interfaces for easy integration with microcontrollers and digital systems. The ADS7822U is ideal for applications in data acquisition, medical devices, and sensor interfacing, where accuracy and efficiency are critical. Its compact design and features make it a versatile choice for engineers seeking reliable and high-resolution data conversion.

Features

The ADS7822U is a 12-bit Analog-to-Digital Converter (ADC) designed for low-power, high-precision applications. Key features include:
1. Input Range: It supports a single-ended input voltage range from 0 to VREF.
2. Sampling Rate: The device offers a maximum sampling rate of 100 kSPS.
3. Low Power Consumption: Operating at a supply voltage of 2.7V to 5.5V, it features ultra-low power consumption, making it suitable for battery-operated devices.
4. Integrated Reference: It includes an internal voltage reference, simplifying design.
5. Digital Interface: The ADC communicates via a Serial Peripheral Interface (SPI), allowing for easy integration with microcontrollers.
6. PGA: It features a programmable gain amplifier (PGA) for signal conditioning.
7. Temperature Range: The device operates over an extended temperature range, enhancing its reliability in various environments.
These features make the ADS7822U ideal for applications in industrial automation, medical devices, and portable instrumentation.

Package

The ADS7822U is available in a TSSOP (Thin Shrink Small Outline Package) type, specifically a 16-pin TSSOP. This package is designed for surface mounting and offers a compact footprint suitable for space-constrained applications.

Pinout

The ADS7822U is a 12-bit analog-to-digital converter (ADC) with a 16-pin TSSOP package.
Pin Count: 16 pins
Pin Functions:
1. VREF: Reference voltage input.
2. AGND: Analog ground.
3. AVDD: Analog supply voltage.
4. DVDD: Digital supply voltage.
5. SCLK: Serial clock input.
6. SDO: Serial data output.
7. SDI: Serial data input.
8. CS: Chip select/input signal.
9. DIN: Data input pin.
10. DOUT: Data output pin.
11. ALERT: Alert output for data ready indication.
12. GPIO: General-purpose I/O pin.
13. COM: Common pin for differential input.
14. IN+: Positive input for differential signal.
15. IN-: Negative input for differential signal.
16. TEST: Test pin for internal testing.
The ADS7822U is designed for low-power applications and features a serial interface for communication.

Manufacturer

The ADS7822U is manufactured by Texas Instruments (TI), a prominent semiconductor company known for designing and producing a wide range of electronic components and integrated circuits. Founded in 1930, Texas Instruments specializes in analog and embedded processing technologies, providing solutions for various applications, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovation in signal processing and power management, making it a key player in the electronics industry. TI's products are widely used in devices that require high performance and efficient power usage, establishing it as a trusted partner for engineers and manufacturers globally.

Application

The ADS7822U is a dual-channel, 12-bit analog-to-digital converter (ADC) commonly used in applications such as industrial process control, portable instrumentation, battery management systems, and medical devices. It is suitable for data acquisition in environments requiring low power consumption and high accuracy, making it ideal for sensor interfacing, signal conditioning, and monitoring applications in various fields, including automotive, consumer electronics, and telecommunications.

Equivalent

Equivalent products to the ADS7822U chip include the MCP3201, MCP3202, and AD7366. These alternatives feature similar 12-bit resolution and multiple channels for analog-to-digital conversion. However, ensure to verify specifications such as input voltage range, sampling rate, and interface compatibility to find the best fit for your application.

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