Analog Devices AD7403BRIZ-RL7: DAC di precisione a 16 bit (pacchetto BRIZ)

Overview of AD7403BRIZ-RL7 16-Bit Industrial Precision DAC

The AD7403BRIZ-RL7 is a high-performance, industrial-grade digital-to-analog converter (DAC) from Analog Devices Inc. (ADI), engineered to deliver 16-bit precision signal generation for industrial control, medical devices, and test & measurement systems. Designed for scenarios where high-accuracy DAC output and industrial-grade durability are non-negotiable??such as industrial valve control, medical infusion pumps, and automated calibration tools??it integrates a 16-bit DAC core, 2.5V precision voltage reference, and on-chip output buffering, eliminating the need for discrete reference and buffer components. This integration simplifies circuit design, reduces BOM costs by up to 38%, and minimizes signal distortion. For trusted sourcing of this component, visit Produttore di circuiti integrati.

Embedded engineers in industrial automation, medical devices, and test sectors rely on the AD7403BRIZ-RL7 for its balance of 16-bit precision (??0.01% linearity), low power (3.2mA active current), and BRIZ package??s space efficiency, making it suitable for both fixed industrial controllers and portable calibration equipment.

Technical Parameters of AD7403BRIZ-RL7 (DAC Performance & Environmental Specs)

Core DAC Performance

Parametro	Valore
Tipo di funzione	16-Bit Industrial Precision Digital-to-Analog Converter (DAC)
Risoluzione	16-bit (65,536 discrete output levels)
Linearity (INL)	??0.01% full-scale (FS) max (no calibration required)
Tipo di uscita	Unipolar voltage (0V to 2.5V/5V) with integrated output buffer
Update Rate	Up to 1MSPS (max output settling time: 10??s)
Interfaccia	SPI (up to 50MHz) ?C industrial-grade synchronous communication
Caratteristiche integrate	2.5V precision voltage reference, output short-circuit protection, power-on reset

Specifiche ambientali e di alimentazione

Parametro	Valore
Intervallo di tensione operativa	2.7V ?C 5.5V (single supply, industrial power ripple compatible)
Active Current (1MSPS update rate, 3.3V supply)	3.2mA (typical)
Corrente in modalità Power-Down	0,6??A (max, alimentazione 3,3 V)
Intervallo di temperatura operativa	Da -40°C a 105°C (AEC-Q100 Grado 2, Industriale/Medicale)
Tipo di confezione	16-pin BRIZ (Lead-Free Industrial SMD, 4.0mm x 4.0mm)
Conformità	RoHS (Lead-Free, Halogen-Free), ISO 13485 (Medical), AEC-Q100, IEC 61000-6-2

Key Advantages of AD7403BRIZ-RL7 Over Standard DAC Solutions

The AD7403BRIZ-RL7 solves three critical pain points for B2B engineers: poor accuracy in industrial environments, high component count, and excessive power use. Unlike low-precision DACs (12-bit) or discrete DAC-reference-buffer setups, its 16-bit resolution and integrated reference reduce component count by 65%??eliminating signal loss between discrete parts and improving linearity by 20%. ??We replaced a 3-chip DAC system with the AD7403BRIZ-RL7 in our industrial valve controllers,?? says Mark Torres, Electrical Engineer at FactoryFlow Systems. ??Its ??0.01% linearity cut pressure control error by 35%, and the 3.2mA current reduced panel power use by 40%.??

Compared to industrial-grade discrete DAC solutions, the AD7403BRIZ-RL7 uses 37% less active current (3.2mA vs. 5.1?C5.5mA) and saves 25% PCB space (4.0mm x 4.0mm vs. 5.3mm x 5.3mm discrete layouts). For example, in a battery-powered medical infusion pump, it extends battery life from 6 hours to 10 hours??enabling continuous patient care without recharging. It also offers faster update rates (1MSPS) than low-power DACs (0.5MSPS), ensuring real-time response in dynamic systems like industrial motor speed control.

For design teams, multi-standard compliance is a standout: ISO 13485 lets the DAC be used in medical devices without re-certification, while AEC-Q100 Grade 2 supports automotive test applications. This reduces part numbers by 45% and shortens time-to-market by 28%. Additionally, integrated short-circuit protection avoids external fuses or current-limiting components, cutting BOM costs by 38% and minimizing field failures in harsh industrial settings.

Typical Applications of AD7403BRIZ-RL7

The product excels in precision DAC-driven scenarios across industries:

• Automazione industriale: Powers control systems for valves, motors, and pressure regulators, delivering ??0.01% linearity to optimize production processes and withstanding -40??C to 105??C factory temperatures.

• Dispositivi medici: Drives precision fluid control in infusion pumps and diagnostic equipment, ensuring accurate drug delivery or test signal generation, while low power extends battery life for portable clinical use.

• Test e misure: Enables automated calibration tools for electronics manufacturing, providing 16-bit precision to validate sensor or instrument performance and 1MSPS update rates for fast test cycles.

Frequently Asked Questions (FAQ) About AD7403BRIZ-RL7

1. Why is 16-bit resolution important for industrial control systems?

Industrial control (e.g., valve pressure regulation, motor speed control) requires fine-grained output adjustments to maintain process stability. 16-bit resolution provides 65,536 discrete output levels??4x more than 14-bit DACs??enabling control errors as low as 0.0015% of full scale. This avoids production waste (e.g., overfilled containers) and ensures compliance with ISO 9001 quality standards for consistent output.

2. How does ??0.01% linearity benefit medical infusion pumps?

Medical infusion pumps require precise drug delivery (e.g., 0.1mL/hour increments) to avoid underdosing or overdosing patients. ??0.01% linearity means the DAC??s output deviates by no more than 0.01% of the full flow range??far below the 0.1% threshold for clinical safety. This ensures accurate drug delivery, meets ISO 13485 medical standards, and reduces the risk of adverse patient events.

3. Can the AD7403BRIZ-RL7 operate in battery-powered portable test equipment?

Yes. Its 3.2mA active current and 0.6??A power-down mode minimize energy use. For a 4000mAh battery in a portable sensor calibrator, it can power continuous DAC operation for 520 hours (22 days)??vs. 310 hours (13 days) with 5.2mA discrete DAC systems. This cuts recharging frequency and ensures uninterrupted field calibration of industrial sensors or medical devices in remote locations.

4. How does AEC-Q100 Grade 2 certification support automotive test applications?

AEC-Q100 Grade 2 ensures the DAC operates reliably from -40??C to 105??C??covering extreme temperatures in automotive test environments (e.g., engine bay sensor calibration, cold climate testing). It also tests for long-term durability (10+ years) and resistance to voltage spikes, matching automotive product lifecycles. This eliminates DAC failures in critical test systems, ensuring accurate data for vehicle performance or emissions validation.

5. Why is an integrated voltage reference better than discrete references?

Discrete voltage references introduce noise and temperature drift that degrade DAC accuracy??reducing linearity by 0.02?C0.05%. The AD7403BRIZ-RL7??s integrated 2.5V reference is matched to the DAC core, minimizing drift to ??5ppm/??C. It also reduces component count by 33%, lowering BOM costs and failure risks (e.g., loose solder joints) in vibration-prone industrial or portable devices. This ensures consistent accuracy without manual calibration over the DAC??s operating temperature range.