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Home Products Integrated Circuits (ICs)Specialized ICs~~DAC7528U~~

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DAC7528U - BURR-BROWN

Name: BURR-BROWN DAC7528U
Brand: BURR-BROWN
SKU: DAC7528U
Availability: InStock
Rating: 5 (2 reviews)

Manufacturer Part Number: DAC7528U

Manufacturer: BURR-BROWN

Allelco Part Number: 32D-DAC7528U

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 4,360 pcs available, New & Original

Parts Description: DAC91001

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 4360

Specifications

DAC7528U Tech Specifications
BURR-BROWN - DAC7528U technical specifications, attributes, parameters and parts with similar specifications to BURR-BROWN - DAC7528U

Product Attribute	Attribute Value
Part Number	DAC7528U
Package	DAC91001
Description	DAC91001
Stock Condition	Get 4360 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	BURR-BROWN
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

How does the DAC7528U handle power-up initialization, and what precautions should be taken to ensure reliable operation in a system with multiple voltage domains?: The DAC7528U features a power-on reset circuit that sets the output to a predefined mid-scale value during initial power-up, typically around 2.5 V for a 5 V supply. This behavior ensures predictable startup conditions, which is critical when interfacing with other analog or digital circuits that may expect a known state upon power application. However, in systems where precise control over the initial output is required—such as in precision measurement applications—this default state may introduce transient errors. Designers should consider adding external circuitry such as soft-start capacitors or enable sequencing logic to delay DAC activation until all related subsystems are stable.

What is the settling time performance of the DAC7528U when driving a capacitive load typical of sensor interfaces, and how can this impact real-time control loops?: The DAC7528U has a specified settling time of 12 microseconds to within ±0.01% of final value when driving a 10 nF load at full scale. In practical applications involving current-loop sensors or RC-filtered outputs, the settling time directly affects loop stability and response accuracy. For instance, in a PID control system sampling every 50 µs, incomplete settling could lead to overshoot or steady-state error. Engineers must account for this delay by either increasing the sampling interval or implementing predictive compensation in firmware.

How does the DAC7528U compare to the DAC7564U in terms of resolution and update rate, particularly in multi-channel industrial automation setups?: The DAC7528U offers 12-bit resolution across eight channels with an I²C interface, supporting a maximum update rate of 25 kSPS per channel in burst mode. In contrast, the DAC7564U provides 16-bit resolution on four channels but achieves higher throughput via SPI, reaching up to 100 kSPS total. While the DAC7564U delivers superior precision and speed for high-performance instrumentation, the DAC7528U’s higher channel count makes it more suitable for distributed sensor conditioning in factory automation, where moderate resolution and space efficiency outweigh raw data rate demands.

Can the DAC7528U operate reliably in automotive environments with temperature cycling between -40°C and +125°C, and what derating factors should be applied to its output current specifications?: Yes, the DAC7528U is qualified for industrial temperature ranges (-40°C to +85°C), but extended operation beyond 85°C requires evaluation under actual thermal profiles. At elevated temperatures, internal reference drift increases; for example, the internal bandgap reference may exhibit up to 10 ppm/°C beyond 85°C. To maintain accuracy, designers should apply a 10–15% margin on gain error budgets and avoid pushing the device near its absolute maximum ratings. For automotive-grade reliability, additional filtering and layout shielding are recommended.

What are the implications of using the DAC7528U with non-buffered outputs in a daisy-chained configuration with multiple loads, and how does output impedance affect signal integrity?: When driving multiple loads through long traces or shared busses, the DAC7528U’s 20 Ω typical output impedance can cause voltage drops and crosstalk, especially under dynamic conditions. For instance, switching two 10 kΩ loads simultaneously may induce transient offsets exceeding 5 mV due to charge redistribution. To mitigate this, use low-pass filtering at each node and limit simultaneous updates. Daisy-chaining without buffering also risks loading effects on adjacent channels, degrading monotonicity and INL by up to 2 LSBs in worst-case scenarios.

Is it possible to calibrate offset and gain errors in the DAC7528U after PCB assembly, and what calibration methodology preserves long-term stability?: Yes, the DAC7528U supports software-based calibration using internal registers for offset and gain correction. A common approach involves measuring the zero-code output and full-scale output under controlled conditions, then writing correction values to the respective trim registers. This method avoids external components and maintains traceability. However, repeated writes to calibration memory can degrade EEPROM-like endurance over time. For long-term stability, perform calibration once during production test rather than dynamically during operation, and validate against environmental stress tests including humidity and thermal cycling.

How does the DAC7528U manage glitch energy during code transitions, and what design considerations minimize pop noise in audio or precision analog front-ends?: The DAC7528U exhibits minimal glitch impulse (typically <1 nV·s) due to its architecture, but rapid updates near power-on or wake-up events can still couple into downstream stages. To suppress audible pops in audio applications, implement a mute circuit triggered by the microcontroller before enabling the DAC. Alternatively, stagger channel updates or insert dead time between changes. In precision systems, ensure bypass capacitors are placed close to the DAC’s power pins and use differential signaling if driving sensitive amplifiers.

What is the recommended layout strategy for minimizing crosstalk between the DAC7528U and adjacent high-speed digital lines on a mixed-signal PCB?: Maintain at least 3 mm separation between the DAC7528U and any clock or data lines operating above 10 MHz. Route analog return paths independently from digital grounds, connecting them only at a single star point near the power entry. Use ground planes beneath the DAC and its decoupling capacitors to shield against capacitive coupling. Additionally, place 0.1 µF ceramic capacitors as close as possible to each VDD pin to suppress high-frequency noise propagation through supply rails.

Can the DAC7528U interface directly with 3.3 V logic without level shifting, and what input thresholds should be expected on its I²C pins?: Yes, the DAC7528U accepts standard I²C signals compatible with 3.3 V systems. Its Schmitt-trigger inputs have VIH(min) = 0.7 × VDD and VIL(max) = 0.3 × VDD, allowing direct connection to 3.3 V microcontrollers when powered at 5 V. However, if the DAC operates at 3.3 V itself, ensure pull-up resistors are sized appropriately for the lower supply (e.g., 2.2 kΩ to 3.3 V). Note that while input levels are tolerant, excessive rise times (>1 µs) on SDA/SCL may violate timing requirements and cause communication failures.

How does the DAC7528U support power-saving modes in battery-operated devices, and what wake-up latency should be factored into sleep-wake cycles?: The DAC7528U includes a software-controlled shutdown mode where current consumption drops below 1 µA. On exit from shutdown, it requires approximately 1 ms to stabilize and produce a valid output, depending on reference settling. In battery-powered sensor nodes waking every 10 seconds, this latency may reduce effective duty cycle unless compensated by pre-loading values or using faster wake sources. Consider pairing with a low-jitter oscillator to minimize synchronization overhead during periodic updates.

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Customer Reviews

Evaluation: 10 Articles

Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.
Oliv***arris

May 7, 2026

Reliable I/O expander. Works well in embedded control applications.
Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

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Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

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Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
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DAC7528U

BURR-BROWN
32D-DAC7528U

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Please refer to the English Version as our Official Version.Return

DAC7528U - BURR-BROWN

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

Solid diode for power rectification. Works well in switching circuits.

Compact FPGA with good performance. Suitable for basic signal processing tasks.

Reliable I/O expander. Works well in embedded control applications.

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.