AD7799BRUZ

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AD7799BRUZ

+BOM

IC ADC 24BIT SIGMA-DELTA 16TSSOP

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Thông số kỹ thuật

thuộc tính Giá trị
Package Bulk,Tube
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 470
NumberofInputs 3
InputType Differential
DataInterface SPI, DSP
Configuration MUX-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 5.25V
Voltage-SupplyDigital 2.7V ~ 5.25V
OperatingTemperature -40°C ~ 105°C
Package/Case 16-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 16-TSSOP

Tổng quan

Description

The AD7799BRUZ is a low-power, 24-bit sigma-delta (Σ-Δ) ADC from Analog Devices, designed for precision measurement applications. It features 3 differential/6 pseudo-differential input channels, an on-chip low-noise PGA (programmable gain amplifier), and an internal reference voltage.
Key specifications:
- Resolution: 24 bits (no missing codes).
- Output data rate: 4.17 Hz to 470 Hz (adjustable).
- Interface: SPI-compatible.
- Power supply: 2.7V to 5.25V, with ultra-low power consumption (~400 µA).
Ideal for sensor interfaces (e.g., thermocouples, RTDs, strain gauges) in industrial, medical, and instrumentation systems. Its integrated features reduce external component count, simplifying design.
Package: TSSOP-24.
For detailed specs, refer to the datasheet.

Equivalent

Equivalent products to the AD7799BRUZ (24-bit ADC with PGA) include:
- AD7798BRUZ: Similar but 16-bit resolution.
- AD7124-4BRUZ: 24-bit, 4-channel, higher performance.
- ADS124S08: 24-bit, 8-channel, TI alternative.
- LTC2440: 24-bit, high-speed, Linear Tech alternative.
These offer comparable features like low-noise, PGA, and SPI interface. Choose based on resolution, channels, or power needs.

Features

The AD7799BRUZ is a low-power, 24-bit sigma-delta ADC with integrated features for precision measurement:
- Resolution: 24-bit, ensuring high accuracy.
- Channels: 3 differential or 5 pseudo-differential inputs.
- Noise: Ultralow noise (40 nV RMS at 4.17 Hz).
- Gain: Programmable gain (1–128) for flexible signal conditioning.
- Power: Low current consumption (350 µA typical).
- Interface: SPI-compatible serial interface.
- Internal Features: On-chip reference (2.5 V), clock oscillator, and temperature sensor.
- Output Rate: Adjustable (4.17 Hz to 470 Hz).
- Supply Voltage: 2.7 V to 5.25 V, suitable for battery-powered apps.
- Package: 16-lead TSSOP.
Ideal for weigh scales, RTD/thermocouple sensing, and industrial process control. Combines high precision with low power for robust sensor interfaces.

Pinout

The AD7799BRUZ is a 24-bit Σ-Δ ADC with 16 pins (TSSOP package).
### Key Functions:
- Analog Inputs: 3 differential/5 pseudo-differential channels (AIN1+/AIN1– to AIN3+/AIN3–).
- Reference Input: REFIN(+) and REFIN(–) for external reference voltage.
- Serial Interface: SPI-compatible (SCLK, DIN, DOUT, CS).
- Power Supply: AVDD (2.7–5.25V), DVDD (2.7–5.25V), and AGND/DGND.
- Control Pins: RESET (hardware reset), CLK (external clock option).
### Applications:
- Precision sensor measurement (e.g., thermocouples, RTDs).
- Low-power industrial systems.
Pin count: 16.

Manufacturer

The AD7799BRUZ is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, ADI serves industries like industrial, automotive, healthcare, and consumer electronics. The AD7799BRUZ is a low-power, precision analog-to-digital converter (ADC) designed for sensor measurement applications.
Analog Devices is known for its innovation in signal processing and reliability, making it a trusted supplier for critical systems worldwide.

Application

The AD7799BRUZ is a low-power, high-precision 24-bit Σ-Δ ADC used in applications requiring accurate analog signal measurement. Key areas include:
- Industrial Process Control (sensor interfaces, pressure/temperature monitoring)
- Medical Instrumentation (patient monitoring, portable medical devices)
- Weigh Scales & Strain Gauges (load cells, precision weighing)
- Gas & Chemical Analysis (gas detectors, chromatography)
- Energy Monitoring (smart meters, battery management)
Its low noise, low power, and integrated PGA make it ideal for low-frequency, high-resolution measurements in harsh environments.

Package

The AD7799BRUZ comes in a TSSOP-24 package. This surface-mount package has 24 pins and a thin, small outline, making it suitable for compact PCB designs. The "RU" in the part number indicates the TSSOP package type, while "Z" denotes lead-free/RoHS compliance. It is commonly used in precision measurement applications.

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