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Home > Products > Integrated Circuits (ICs) > Data Acquisition - Digital to Analog Converters (DAC) > AD5640BRJZ-1REEL7
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AD5640BRJZ-1REEL7

In Stock 20038 pcs Reference Price(In US Dollars)
1+
$5.2563
200+
$2.035
500+
$1.9633
1000+
$1.9274
Manufacturer Part Number:
AD5640BRJZ-1REEL7
Manufacturer / Brand
Analog Devices Inc.
Part of Description:
IC DAC 14BIT V-OUT SOT23-8
Datasheets:
AD5640BRJZ-1REEL7(1).pdfAD5640BRJZ-1REEL7(2).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 20038 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number AD5640BRJZ-1REEL7
Manufacturer / Brand Analog Devices Inc.
Stock Quantity 20038 pcs Stock
Category Integrated Circuits (ICs) > Data Acquisition - Digital to Analog Converters (DAC)
Description IC DAC 14BIT V-OUT SOT23-8
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ AD5640BRJZ-1REEL7 Datasheets AD5640BRJZ-1REEL7 Details PDF
AD5640BRJZ-1REEL7 Details PDF for KR.pdf
AD5640BRJZ-1REEL7 Details PDF for IT.pdf
AD5640BRJZ-1REEL7 Details PDF for ES.pdf
AD5640BRJZ-1REEL7 Details PDF for DE.pdf
AD5640BRJZ-1REEL7 Details PDF for FR.pdf
Voltage - Supply, Digital 2.7V ~ 3.3V
Voltage - Supply, Analog 2.7V ~ 3.3V
Supplier Device Package SOT-23-8
Settling Time 10µs
Series nanoDAC®
Reference Type Internal
Package / Case SOT-23-8
Package Tape & Reel (TR)
Output Type Voltage - Buffered
Operating Temperature -40°C ~ 105°C
Number of D/A Converters 1
Number of Bits 14
Mounting Type Surface Mount
INL/DNL (LSB) ±4 (Max), ±0.5 (Max)
Differential Output No
Data Interface SPI, DSP
Base Product Number AD5640
Architecture String DAC

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

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Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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AD5640BRJZ-1REEL7 Product Details:

The AD5640BRJZ-1REEL7 is a 14-bit digital-to-analog converter (DAC) manufactured by Analog Devices, Inc. (ADI). It belongs to the nanoDAC series and is designed for a variety of data acquisition applications.

The AD5640BRJZ-1REEL7 features a string DAC architecture, providing a high-performance and compact solution for converting digital signals into analog voltages. With a resolution of 14 bits, the device offers excellent linearity, with a maximum integral nonlinearity (INL) and differential nonlinearity (DNL) of ±4 LSB and ±0.5 LSB, respectively. This ensures accurate and precise analog output generation.

The product is designed to operate within a wide temperature range of -40°C to 105°C, making it suitable for use in diverse environmental conditions. It is RoHS-compliant and packaged in a space-saving SOT-23-8 surface-mount package, addressing the design challenges of compact form factors and power-efficient operation.

Key specifications of the AD5640BRJZ-1REEL7 include a digital supply voltage of 2.7V to 3.3V, an analog supply voltage of 2.7V to 3.3V, and a settling time of 10μs. The device supports both SPI and DSP data interfaces, providing flexibility in integration with various digital systems.

The primary advantages of the AD5640BRJZ-1REEL7 include its high resolution, excellent linearity, wide operating temperature range, and compact packaging, making it well-suited for applications such as industrial automation, process control, and instrumentation systems.

Regarding compatibility, there are several equivalent or alternative models available from ADI that share similar features and specifications, including the AD5641, AD5642, and AD5644. These models may offer variations in resolution, package options, or additional features to cater to specific application requirements.

AD5640BRJZ-1REEL7 Key Technical Attributes

14 Bit Resolution

Voltage Supply Range: 2.7 V to 3.3 V

Output Type: Voltage - Buffered

AD5640BRJZ-1REEL7 Packing Size

Package: SOT-23-8

Material: Lead-free, RoHS Compliant

Packaging Type: Cut Tape (CT)

AD5640BRJZ-1REEL7 Application

Used in Data Acquisition Systems

Suitable for use in precision medical and instrumentation equipment

Optimal for applications requiring high accuracy digital to analog conversion

AD5640BRJZ-1REEL7 Features

The AD5640BRJZ-1REEL7 from ADI features a 14-bit digital to analog converter encapsulated in a compact SOT-23-8 package. It provides a buffered voltage output, with internal reference minimizing external component requirements. The device supports a digital supply voltage from 2.7 V to 3.3 V and an analog voltage in the same range, ensuring flexibility in diverse power environments. The nanoDAC series is designed for enhanced data acquisition performance with a minimal settling time of 10 microseconds, and both INL and DNL are tightly controlled to within ±4 LSBs max and ±0.5 LSBs max, respectively. The product includes a SPI and DSP compatible data interface, facilitating easy integration into existing digital systems.

AD5640BRJZ-1REEL7 Quality and Safety Features

Moisture Sensitivity Level (MSL) 1, indicating unlimited floor life at ≤30°C / 85% RH

Constructed to meet stringent RoHS Compliance for environmental safety

AD5640BRJZ-1REEL7 Compatibility

Mounting Type: Surface Mount

Compatible with SPI and DSP interfaces for broad device intercommunication possibilities

AD5640BRJZ-1REEL7 Datasheet PDF

For comprehensive technical details, specifications, and installation guidance, please refer to the authoritative datasheet for the AD5640BRJZ-1REEL7 model on our website. To ensure accuracy and recency of the information, download the datasheet directly from the current page.

Quality Distributor

As a premium distributor, IC-Components proudly offers the AD5640BRJZ-1REEL7 from Analog Devices, Inc. We ensure premium quality, reliability, and competitive prices. Experience our exceptional service by obtaining a personalized quote directly through our website today!

Frequently Asked Questions

What are the key design constraints when integrating the AD5640BRJZ-1REEL7 into a low-noise industrial control system with mixed 3.3V digital and analog supplies?
The AD5640BRJZ-1REEL7 requires careful supply sequencing and grounding due to its shared 2.7 V to 3.3 V range for both digital and analog supplies. To minimize noise coupling in industrial environments, use separate, low-impedance ground planes for analog and digital sections, connected at a single point near the device. Bypass both AVDD and DVDD pins with 0.1 μF ceramic capacitors placed as close as possible to the package. Since the internal reference is used, ensure minimal thermal gradients across the SOT-23-8 package, as temperature drift can affect DC accuracy over time.
Can the AD5640BRJZ-1REEL7 be safely operated near its maximum junction temperature of 105°C in an enclosed industrial enclosure without active cooling?
Yes, but only if PCB thermal design mitigates self-heating. The AD5640BRJZ-1REEL7 in SOT-23-8 has limited thermal dissipation capability; sustained operation near 105°C ambient requires a solid ground plane under the package and thermal vias to conduct heat away. Monitor actual die temperature using the thermal resistance (θJA ≈ 200°C/W) and worst-case power dissipation (typically < 5 mW). Exceeding 105°C may accelerate long-term drift of the internal reference and degrade INL performance.
Is the AD5640BRJZ-1REEL7 suitable for replacing a 12-bit DAC in a precision voltage calibration circuit, and what trade-offs should I expect?
Yes, the AD5640BRJZ-1REEL7 is a viable upgrade path due to its 14-bit resolution and monotonicity, offering finer calibration steps. However, the increased resolution demands stricter layout practices—especially in trace routing and reference stability—to avoid introducing noise that negates the precision benefit. Additionally, verify that your microcontroller’s SPI timing meets the AD5640BRJZ-1REEL7’s t1 (SCLK high/low time ≥ 20 ns) and t6 (CS setup time ≥ 10 ns), as marginal timing on legacy 12-bit systems may cause communication errors.
What precautions are necessary when migrating from a through-hole DAC to the surface-mount AD5640BRJZ-1REEL7 in an existing PCB design?
Migrating to the AD5640BRJZ-1REEL7 in SOT-23-8 requires re-evaluating footprint compatibility, thermal management, and signal integrity. Ensure the new layout minimizes loop areas for digital (SPI) and analog output traces to reduce EMI susceptibility. Use a 4-layer board with dedicated analog ground and power planes if possible. Also, confirm that your pick-and-place equipment can handle 8-pin SOT-23 packages, and validate solder joint integrity via AOI or X-ray due to the small pad geometry and risk of tombstoning.
How does the internal reference of the AD5640BRJZ-1REEL7 impact long-term stability in a 10-year field deployment, and are there mitigation strategies?
The AD5640BRJZ-1REEL7 includes an internal 2.5 V reference with typical long-term drift of 5 ppm/√kHr, which may accumulate over a decade. In applications requiring ultra-stable output (e.g., medical or metrology), consider using an external precision reference (e.g., ADR441 or LT1021) to bypass the internal one, despite added cost and board space. If using the internal reference, perform periodic system-level calibration and avoid thermal cycling extremes, as repeated expansion/contraction can induce mechanical stress on the die.
Can the AD5640BRJZ-1REEL7 be driven directly by a 5V CMOS microcontroller without level shifting?
No. The AD5640BRJZ-1REEL7’s digital input pins are not 5V-tolerant. Applying 5V logic to SDIN, SCLK, or SYNC will exceed the absolute maximum rating (VDD + 0.3 V) and risk damaging the device. Use a level translator (e.g., TXB0104) or ensure the microcontroller operates in 3.3V mode. Alternatively, employ series resistors (100–470 Ω) with clamping diodes, though this is less reliable than proper level shifting and may affect SPI timing margins at higher clock rates.
What are the risks of using the AD5640BRJZ-1REEL7 in a multi-DAC daisy-chained SPI configuration, and how can they be minimized?
Daisy-chaining multiple AD5640BRJZ-1REEL7 devices is possible via SPI, but signal integrity degrades with each added device due to cumulative capacitance on SCLK and SDIN lines. Limit chain length to ≤4 devices and use a low-impedance SPI driver. Insert series termination resistors (22–33 Ω) near the master output to reduce reflections. Ensure all devices share a common ground with low impedance, and avoid long traces between SYNC lines—consider individual SYNC control if synchronization timing is critical.
Is the AD5640BRJZ-1REEL7 a drop-in replacement for the AD5620 (12-bit) in the same SOT-23-6 package?
Not a direct drop-in. While both are nanoDAC family members, the AD5640BRJZ-1REEL7 comes in an 8-pin SOT-23 package with additional pins (e.g., separate REFIN/REFOUT and enhanced power/ground separation), whereas the AD5620 uses a 6-pin variant. Pinout, supply requirements, and reference architecture differ significantly. A redesign is required for footprint, firmware (14-bit vs. 12-bit data packing), and possibly output scaling, making migration non-trivial despite functional similarity.
How does the 10 µs settling time of the AD5640BRJZ-1REEL7 affect its use in high-speed closed-loop control systems?
The 10 µs settling time (to ±1/2 LSB) limits the AD5640BRJZ-1REEL7 to control loops with update rates below ~50 kSPS. In faster systems (e.g., motor control or active filtering), this delay introduces phase lag that can destabilize feedback. If your loop bandwidth exceeds 10 kHz, consider a faster DAC (e.g., AD5662 with 1 µs settling) or implement predictive compensation in software. Always validate stability via step-response testing under worst-case load conditions.
What happens if the AD5640BRJZ-1REEL7 is powered down without disabling the SPI interface?
Driving SPI signals (SCLK, SDIN, SYNC) while the AD5640BRJZ-1REEL7 is unpowered can cause latch-up or excessive leakage current through ESD protection diodes, potentially damaging the device or corrupting the microcontroller. Always ensure the digital supply (DVDD) is stable before applying logic signals. Implement a power-good signal or sequencing circuit to disable the SPI master during power-up/down. Alternatively, use pull-down resistors on SPI lines to keep them low during brownouts.

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