AD7780BRZ

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AD7780BRZ

+BOM

IC ADC 24BIT SIGMA-DELTA 14SO

  • Nhà sản xuấtCông ty Analog Devices Inc.

  • Ông. Phần #AD7780BRZ

  • Bảng dữ liệu AD7780BRZ DataSheet

  • Có sẵn7859

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Thông số kỹ thuật

thuộc tính Giá trị
PartStatus Active
NumberofBits 24
SamplingRate(PerSecond) 16.7
NumberofInputs 1
InputType Differential
DataInterface SPI
Configuration PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-Supply,Analog 2.7V ~ 5.25V
Voltage-Supply,Digital 2.7V ~ 5.25V
Features PGA
OperatingTemperature -40°C ~ 105°C
Package/Case 14-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 14-SOIC
MountingType Surface Mount
BaseProductNumber AD7780

Tổng quan

Description

The AD7780BRZ is a precision, low-power, sigma-delta analog-to-digital converter (ADC) designed for battery-operated and portable applications. It features a 24-bit resolution and operates with a low noise performance, making it suitable for high-accuracy measurement tasks. The device includes a built-in low-noise amplifier, which allows it to directly interface with various sensor types.
Key features of the AD7780BRZ include a single-ended input, an internal reference voltage, and a flexible communication interface that supports both serial and parallel data transfer. It operates from a single supply voltage, enhancing its utility in compact designs. The ADC's low power consumption and high performance make it ideal for applications in medical devices, industrial process controls, and instrumentation.
Overall, the AD7780BRZ stands out for its combination of precision, low power usage, and ease of integration, making it a popular choice for engineers looking to implement high-performance data acquisition systems.

Equivalent

The AD7780BRZ is a 24-bit sigma-delta ADC. Equivalent products include the LTC2440 from Analog Devices, the MAX11200 from Maxim Integrated, and the MCP3564 from Microchip. Other alternatives are the ADS1220 from Texas Instruments and the ADS1262 also from Texas Instruments. Ensure to review specifications for compatibility regarding input range, data rate, and power requirements.

Features

The AD7780BRZ is a low-power, 24-bit sigma-delta analog-to-digital converter (ADC) designed for precision measurement applications. Key features include:
1. Input Range: It supports a differential input range, ideal for various sensor applications.
2. Resolution: Offers 24-bit resolution, providing high accuracy and precision in measurements.
3. Low Power Consumption: Operates with low power, making it suitable for battery-operated devices.
4. Single Supply Operation: Can function with a single supply voltage, simplifying the design.
5. Integrated Voltage Reference: Includes an internal reference, reducing external component requirements.
6. Flexible Data Rate: Configurable data output rates, allowing customization based on application needs.
7. Digital Filter: Features an integrated digital filter, enhancing the signal-to-noise ratio (SNR).
8. Serial Interface: Supports a SPI-compatible interface for easy integration with microcontrollers.
9. Temperature Range: Suitable for industrial applications with an extended operating temperature range.
These attributes make the AD7780BRZ ideal for applications in industrial automation, medical instrumentation, and process control.

Pinout

The AD7780BRZ is a 24-bit sigma-delta analog-to-digital converter (ADC) with a total of 20 pins in a 5mm × 5mm LFCSP package.
Pin Count and Functions:
1. Power Supply Pins:
- AVDD (Pin 1): Analog supply voltage.
- DVDD (Pin 2): Digital supply voltage.
- AGND (Pin 3): Analog ground.
- DGND (Pin 4): Digital ground.
2. Input Pins:
- VIN+ (Pin 5): Positive analog input.
- VIN- (Pin 6): Negative analog input.
3. Reference Pins:
- REF (Pin 7): Reference voltage input.
- REFOUT (Pin 8): Reference voltage output.
4. Digital Interface Pins:
- SCLK (Pin 9): Serial clock.
- DIN (Pin 10): Data input.
- DOUT (Pin 11): Data output.
- CS (Pin 12): Chip select.
5. Additional Pins:
- START (Pin 13): Start conversion.
- ALERT (Pin 14): Alert signal.
- PD (Pin 15): Power-down mode.
- SLEEP (Pin 16): Sleep mode.
- NC (Pins 17-20): No connect.
This setup allows for precise analog-to-digital conversion with various operational features.

Manufacturer

The AD7780BRZ is manufactured by Analog Devices, Inc. (ADI), a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices focuses on providing innovative solutions for various industries, including automotive, communications, healthcare, industrial automation, and consumer electronics. The company is known for its expertise in precision analog technology and develops a wide range of products, including data converters, amplifiers, sensors, and interface devices. ADI is recognized for its commitment to quality and performance, making it a key player in the semiconductor industry.

Application

The AD7780BRZ is a low-power, 24-bit sigma-delta ADC commonly used in applications such as industrial process control, precision instrumentation, and medical devices. It excels in weighing scales, strain gauge measurements, and temperature sensing, where high accuracy and low noise are essential. Additionally, it's suitable for portable battery-operated devices due to its low power consumption. Other areas include automation systems, data acquisition, and any application requiring precise analog-to-digital conversion in environments with high noise levels.

Package

The AD7780BRZ is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

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