AD7190BRUZ

Adc, 24Bit, 4.8Ksps, Tssop-24; Resolution (Bits):24Bit; Sampling Rate:4.8Ksps; Input Channel Type:Differential, Pseudo Differential; Data Interface:Microwire, Qspi, Spi; Supply Voltage Type:Single; Supply Voltage Min:4.75V Rohs Compliant: Yes |Analog Devices AD7190BRUZ

**AD7190BRUZ – 24-Bit Sigma-Delta ADC with PGA – Analog Devices**

The AD7190BRUZ from Analog Devices is a high-precision, low-noise, 24-bit Sigma-Delta Analog-to-Digital Converter (ADC) featuring an integrated Programmable Gain Amplifier (PGA). Engineered for demanding measurement applications, it delivers exceptional accuracy and resolution for converting low-level sensor signals into digital data. PCX supplies this industry-leading ADC, ensuring genuine components, reliable stock, and fast shipping to keep your projects on schedule.

**Key Features:**
* **High Resolution:** 24-bit output for precise measurement.
* **Sampling Rate:** Up to 4.8 kSPS (effective output rate).
* **Low Noise:** Optimized for sensitive signal acquisition.
* **Integrated PGA:** Programmable Gain Amplifier (1 to 128) simplifies front-end design and boosts small signals.
* **Input Channels:** Configurable 2 or 4 differential/pseudo-differential inputs via multiplexer.
* **Flexible Interface:** SPI-compatible serial interface for easy microcontroller connection.
* **Wide Supply Range:** Analog: 5V; Digital: 2.7V to 5.25V.
* **Robust Operation:** Industrial temperature range (-40°C to +105°C).
* **Compact Package:** 24-TSSOP surface-mount package.

**Technical Details:**
* **Organization:** Single ADC channel with integrated multiplexer (MUX) and PGA.
* **Interface:** SPI (also compatible with Microwire, QSPI, DSP interfaces).
* **Configuration:** MUX -> PGA -> Sigma-Delta ADC.
* **Reference:** Requires an external reference voltage source.
* **Architecture:** Sigma-Delta modulator for high resolution and inherent noise shaping.
* **Mounting:** Surface Mount Technology (SMT).
* **Package:** 24-Lead TSSOP (4.4mm Width).
* **Status:** Active and RoHS Compliant.

**Typical Applications:**
* Industrial Weigh Scales and Load Cells
* Medical Instrumentation and Patient Monitoring
* Process Control and Automation Systems
* Portable Measurement and Data Logging Devices
* Precision Sensor Interfaces (e.g., Strain Gauges, Thermocouples)

**About the Manufacturer: Analog Devices**
Analog Devices Inc. (ADI) stands as a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. With decades of experience, ADI is renowned for its innovation and commitment to solving complex engineering challenges, particularly in precision signal conditioning and data conversion technologies. Their components are trusted in the most critical applications across industrial, automotive, communications, and healthcare sectors.

ADI’s reputation is built on consistent quality, rigorous testing, and pushing the boundaries of performance in analog electronics. Engineers worldwide rely on ADI components like the AD7190 family for their proven reliability, accuracy, and ability to perform under demanding environmental conditions, making them a cornerstone of robust electronic designs.

**About Analog-to-Digital Converters (ADCs)**
Analog-to-Digital Converters (ADCs) are fundamental integrated circuits that bridge the physical analog world and the digital domain of microprocessors and computers. They translate continuous real-world signals, such as temperature, pressure, sound, or light intensity, into discrete digital values that digital systems can process, store, and transmit. The performance of an ADC, characterized by resolution, speed, and accuracy, is crucial for the fidelity and reliability of the entire measurement system.

High-resolution ADCs, like the 24-bit AD7190BRUZ, are essential for applications demanding extreme precision and the ability to discern minute signal changes. Sigma-Delta ADCs are particularly favored for high-resolution, lower-speed applications due to their excellent noise performance and inherent linearity. Selecting the right ADC is critical for achieving the desired measurement accuracy in systems ranging from sophisticated industrial controls to sensitive medical diagnostics.

**Packaging Options:**
This product is available packaged in **Tubes**, suitable for prototyping and medium-volume production runs. PCX ensures careful handling and secure packaging for all orders.

**Frequently Asked Questions (FAQs):**

* **Question: What is the main advantage of a 24-bit ADC like the AD7190BRUZ?**
* **Answer:** A 24-bit resolution provides extremely fine measurement granularity (16,777,216 possible output codes), enabling the detection of minute changes in analog input voltage. This is essential for high-precision applications like weighing scales or sensor measurements where small signal variations are critical.

* **Question: What does “Differential” and “Pseudo-Differential” input mean?**
* **Answer:** Differential inputs measure the voltage difference between two distinct input pins (e.g., IN+ and IN-), rejecting noise common to both lines. Pseudo-differential inputs measure the difference between a single input pin and a common reference (usually ground), offering some noise rejection but typically less than true differential.

* **Question: How do I interface the AD7190BRUZ with my microcontroller?**
* **Answer:** The AD7190BRUZ uses a standard SPI-compatible serial interface. You connect the device’s SCLK, DIN, DOUT, and CS pins to corresponding SPI pins on your microcontroller and communicate using SPI protocol commands as detailed in the datasheet.

* **Question: Does the AD7190BRUZ include an internal voltage reference?**
* **Answer:** No, the AD7190BRUZ requires an external precision voltage reference. The accuracy of the ADC conversion depends directly on the stability and accuracy of this external reference voltage.

* **Question: Can this ADC operate in harsh environments?**
* **Answer:** Yes, the AD7190BRUZ is specified for operation over the industrial temperature range of -40°C to +105°C, making it suitable for demanding industrial and automotive applications where temperature extremes are encountered.

* **Question: What does the integrated PGA offer?**
* **Answer:** The integrated Programmable Gain Amplifier (PGA) allows you to amplify very small input signals directly at the ADC input (gains from 1 to 128). This boosts the signal level before digitization, improving the signal-to-noise ratio (SNR) and effectively utilizing the ADC’s full resolution for low-level inputs without needing external amplification stages.

**Order the Analog Devices AD7190BRUZ from PCX Today!**
Experience the precision and reliability of this industry-standard 24-bit Sigma-Delta ADC. Benefit from PCX’s commitment to supplying genuine Analog Devices components, backed by responsive customer support and rapid shipping. Secure your stock of the AD7190BRUZ now – order today to ensure fast delivery for your next critical design!

**Disclaimer:** Product images may be representational. Refer to the manufacturer datasheet for exact specifications.
**Datasheet:** [View AD7190BRUZ Datasheet on PCXCo.com](https://www.pcxco.com/datasheets/AD7190BRUZ.pdf) (Note: Link directs to PCX-hosted datasheet).