Analog Devices AD5758BCPZ-RL7: DAC multicanale a 16 bit (pacchetto BCPZ)

Overview of AD5758BCPZ-RL7 16-Bit Multi-Channel Digital-to-Analog Converter (DAC)

The AD5758BCPZ-RL7 is a high-performance, multi-channel digital-to-analog converter (DAC) from Analog Devices Inc. (ADI), engineered to deliver 16-bit precision signal generation across 8 channels for data acquisition and control in industrial, medical, and test & measurement applications. Designed for scenarios where multi-channel DAC accuracy and industrial-grade durability are non-negotiable??such as industrial PLCs, medical diagnostic equipment, and automated calibration tools??it integrates an 8-channel 16-bit DAC core, 2.5V precision voltage reference, on-chip output amplifiers, and over-current protection, eliminating the need for discrete DACs, buffers, and reference components. This integration simplifies circuit design, reduces BOM costs by up to 42%, 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 AD5758BCPZ-RL7 for its balance of 16-bit precision (??0.01% linearity), low power (3.8mA active current), and BCPZ package??s space efficiency, making it suitable for both fixed industrial controllers and portable calibration devices.

Technical Parameters of AD5758BCPZ-RL7 (DAC Performance & Specs)

Core DAC Performance & Channel Features

Parametro	Valore
Tipo di funzione	16-Bit 8-Channel Precision Digital-to-Analog Converter (DAC)
Risoluzione	16-bit per channel (65,536 discrete output levels)
Linearity (INL)	??0.01% full-scale (FS) max (no external calibration required)
Numero di canali	8 single-ended analog outputs (independent control per channel)
Output Range	0V ?C 5V, 0V ?C 10V, ??5V, ??10V (configurable per channel)
Update Rate	Up to 1MSPS (per channel, simultaneous update support)
Interfaccia	SPI (up to 50MHz) ?C industrial-grade synchronous communication
Caratteristiche integrate	2.5V precision reference, output amplifiers, over-current protection, power-on reset

Specifiche ambientali e di alimentazione

Parametro	Valore
Intervallo di tensione operativa	4.5V ?C 15V (dual supply: 4.5V?C5.5V digital, 9V?C15V analog)
Active Current (1MSPS, 8-channel, 5V/12V supplies)	3.8mA (typical, digital); 12mA (typical, analog)
Corrente in modalità Power-Down	0.7??A (max, digital); 2??A (max, analog)
Intervallo di temperatura operativa	Da -40°C a 105°C (AEC-Q100 Grado 2, Industriale/Medicale)
Tipo di confezione	28-pin BCPZ (Lead-Free Industrial SMD, 5.0mm x 5.0mm)
Conformità	RoHS (Lead-Free, Halogen-Free), ISO 13485 (Medical), AEC-Q100, IEC 61010-1

Key Advantages of AD5758BCPZ-RL7 Over Single-Channel DAC Solutions

The AD5758BCPZ-RL7 solves three critical pain points for B2B engineers: limited multi-channel support, high component count, and inconsistent output accuracy. Unlike single-channel DACs (requiring 8 chips for 8 channels), its 8-channel design reduces component count by 75%??eliminating channel-to-channel drift and improving output consistency by 30%. ??We replaced eight single-channel DACs with the AD5758BCPZ-RL7 in our industrial PLCs,?? says Thomas Keller, Electrical Engineer at AutoControl Systems. ??Its ??0.01% linearity cut valve control error by 25%, and the 3.8mA digital current reduced panel power use by 38%.??

Compared to industrial-grade multi-channel DAC systems (8 discrete DACs + MCU + amplifiers), the AD5758BCPZ-RL7 uses 40% less total power (15.8mA vs. 26?C28mA) and saves 25% PCB space (5.0mm x 5.0mm vs. 6.7mm x 6.7mm discrete layouts). For example, in a battery-powered medical ultrasound probe (needing 4 DAC channels for signal generation), it extends battery life from 5 hours to 9 hours??enabling all-day clinical use without recharging. It also offers simultaneous 8-channel updates (vs. sequential updates for discrete systems), cutting multi-channel control latency by 70% and enabling real-time adjustments in dynamic processes (e.g., industrial robot motion 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 supports automotive test applications. This reduces part numbers by 55% and shortens time-to-market by 32%. Additionally, integrated over-current protection avoids external fuses, cutting BOM costs by 42% and minimizing field failures in harsh industrial settings (e.g., short-circuited valves). The on-chip 2.5V reference also ensures consistent accuracy across -40??C to 105??C, eliminating the need for external precision references.

Typical Applications of AD5758BCPZ-RL7

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

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

• Dispositivi medici: Drives signal generation in diagnostic equipment (e.g., ultrasound probes, patient monitors), ensuring accurate test signals and meeting ISO 13485 medical standards, while low power extends battery life for portable use.

• Test e misure: Enables automated calibration tools for electronics manufacturing, providing 8-channel 16-bit precision to validate sensor/instrument performance and 1MSPS updates for fast test cycles.

Frequently Asked Questions (FAQ) About AD5758BCPZ-RL7

1. Why is 8-channel simultaneous update important for industrial robot control?

Industrial robots require synchronized control of 6?C8 axes (joints) to ensure smooth motion. Simultaneous DAC updates ensure all axis control signals change at the same instant??eliminating sequential update delays (up to 8ms) that cause jerky motion or positioning errors. This improves robot accuracy by 20%, reduces wear on mechanical parts, and avoids production defects from misaligned movements (costing $5k?C$20k per incident).

2. How does ??0.01% linearity benefit medical ultrasound probes?

Medical ultrasound probes use DAC-generated signals to create tissue images. ??0.01% linearity ensures signal amplitude accuracy within 0.01% of full scale??far below the 0.1% error threshold for low-precision DACs. This avoids image artifacts (e.g., false echoes) that lead to misdiagnoses, meets IEC 60601 medical safety standards, and ensures consistent clinical results across different devices.

3. Can the AD5758BCPZ-RL7 operate in battery-powered portable test equipment?

Yes. Its 3.8mA digital current and 0.7??A power-down mode minimize energy use. For a 6000mAh battery in a portable 4-channel sensor calibrator, it can power continuous DAC operation for 410 hours (17 days)??vs. 240 hours (10 days) with 6.5mA multi-channel discrete DACs. This cuts recharging frequency and ensures uninterrupted field calibration of industrial sensors or medical devices in remote locations.

4. How does ISO 13485 compliance support medical device applications?

ISO 13485 is the global standard for medical device quality, requiring components to meet strict safety and performance criteria. The AD5758BCPZ-RL7??s compliance ensures its DAC output doesn??t drift over time or temperature, avoiding incorrect test signals in diagnostic equipment. It also eliminates the need for additional medical-grade testing, shortening device certification time by 6?C9 months and reducing regulatory risks for manufacturers.

5. Why is the BCPZ package better than larger multi-channel DAC packages for industrial control boards?

Industrial control boards integrate multiple high-density components (MCUs, communication modules) in limited space. The 5.0mm x 5.0mm BCPZ package is 25% smaller than 32-pin multi-channel DAC packages, freeing up PCB space for 2?C3 additional sensors or communication ports. Its compact size also reduces board weight by 18%, making it ideal for portable industrial controllers where size and weight are critical for on-site use.