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Home > Products > Integrated Circuits (ICs) > Data Acquisition - Digital to Analog Converters (DAC) > DAC7614EB
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DAC7614EB

In Stock 2127 pcs Reference Price(In US Dollars)
1+
$16.2772
Manufacturer Part Number:
DAC7614EB
Manufacturer / Brand
TEXAS
Part of Description:
IC 12-BIT QUAD D/A CONV 20-SSOP
Datasheets:
DAC7614EB.pdf
Lead Free Status / RoHS Status:
Lead free / RoHS Compliant
Stock Condition:
New original, 2127 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number DAC7614EB
Manufacturer / Brand TEXAS
Stock Quantity 2127 pcs Stock
Category Integrated Circuits (ICs) > Data Acquisition - Digital to Analog Converters (DAC)
Description IC 12-BIT QUAD D/A CONV 20-SSOP
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
RFQ DAC7614EB Datasheets DAC7614EB Details PDF
DAC7614EB Details PDF for KR.pdf
DAC7614EB Details PDF for IT.pdf
DAC7614EB Details PDF for ES.pdf
DAC7614EB Details PDF for DE.pdf
DAC7614EB Details PDF for FR.pdf
Voltage - Supply, Digital 5V
Voltage - Supply, Analog ±5V
Supplier Device Package 20-SSOP
Standard Package 70
Settling Time 10µs
Series -
Reference Type External
Part Status Active
Packaging Tube
Package / Case 20-SSOP (0.209", 5.30mm Width)
Output Type Voltage - Buffered
Other Names 296-44999-5
DAC7614EB-ND
Operating Temperature -40°C ~ 85°C
Number of D/A Converters 4
Number of Bits 12
Mounting Type Surface Mount
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Manufacturer Standard Lead Time 26 Weeks
Lead Free Status / RoHS Status Lead free / RoHS Compliant
INL/DNL (LSB) ±1 (Max), ±1 (Max)
Differential Output No
Detailed Description 12 Bit Digital to Analog Converter 4 20-SSOP
Data Interface SPI
Base Part Number DAC7614
Architecture R-2R

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
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DAC7614EB Product Details:

The DAC7614EB is a 12-bit digital-to-analog converter (DAC) integrated circuit (IC) manufactured by Luminary Micro / Texas Instruments. It belongs to the data acquisition category, specifically classified as a digital-to-analog converter.

This product is designed to address the need for a compact, efficient, and high-performance DAC solution. It features a 12-bit resolution and a 4-channel architecture, allowing for precise analog signal conversion from digital inputs. The DAC7614EB utilizes an R-2R ladder-based architecture, providing a stable and linear conversion process.

Key specifications of the DAC7614EB include an operating temperature range of -40°C to 85°C, a digital supply voltage of 5V, and an analog supply voltage of ±5V. The device offers a maximum integral non-linearity (INL) and differential non-linearity (DNL) of ±1 LSB, ensuring accurate and reliable analog output. The DAC7614EB also boasts a fast settling time of 10 microseconds, allowing for rapid signal conversion.

The primary advantages of the DAC7614EB include its compact 20-SSOP package, which enables surface mount integration, and its RoHS compliance, making it suitable for a wide range of applications. The device is compatible with SPI (Serial Peripheral Interface) for seamless digital communication and control.

The DAC7614EB finds applications in various fields, such as industrial control systems, audio equipment, medical instrumentation, and test and measurement devices, where precise analog signal generation is required. It can serve as a replacement or alternative to similar DAC ICs, providing a comparable feature set and performance.

Equivalent or alternative models to the DAC7614EB include the DAC7614EB-ND and the 296-44999-5 from Digi-Key. These models share similar specifications and functionality, allowing for interchangeability in certain applications.

DAC7614EB Key Technical Attributes

12 Bit Resolution, 4 Digital to Analog Converters, R-2R Architecture

DAC7614EB Packing Size

20-SSOP Package, Tube Packaging, Size: 0.209", 5.30mm Width, Surface Mount

DAC7614EB Application

Used in automation, industrial control, and communication system applications where multiple analog outputs are needed

DAC7614EB Features

The DAC7614EB by Texas Instruments features a 12-bit digital to analog converter with four channels. It utilizes the R-2R resistor ladder network architecture which ensures balanced for high-accuracy and low noise operation. Each of the four outputs are buffered to provide a consistent voltage without additional external buffering circuitry. The converter operates with a dual supply voltage of ±5V and a single 5V digital supply, facilitating interfacing with both analog and digital systems. This DAC also supports external referencing which gives flexibility in varying output voltage ranges as per application requirement.

DAC7614EB Quality and Safety Features

The device is RoHS compliant, ensuring that it is free from harmful lead and complies with environmental standards. It operates effectively within a temperature range of -40°C to 85°C, securing reliability in harsh conditions. Moreover, it features a Moisture Sensitivity Level (MSL) of 3, indicating its capacity for withstanding exposure to moisture during storage and handling.

DAC7614EB Compatibility

Supports SPI Data Interface for integration with digital systems. Its external reference type and buffered voltage output provide compatibility with a wide range of microcontrollers and processors.

DAC7614EB Datasheet PDF

For the most comprehensive and authoritative data on the DAC7614EB, customers are encouraged to download the datasheet from our website. This document will provide in-depth technical specifications and usage guidelines.

Quality Distributor

IC-Components is a premium distributor for Luminary Micro / Texas Instruments products, possessing a vast selection and expert knowledge of their integrated circuit offerings. We guarantee genuine products and offer competitive pricing. For instant service and the best deals on the DAC7614EB, visit our website today to get a quote.

Frequently Asked Questions

What are the critical power supply sequencing requirements when integrating the DAC7614EB into a mixed-signal system with ±5V analog and 5V digital rails?
The DAC7614EB requires that the analog ±5V supplies (AVDD and AVSS) be stable before or simultaneously with the 5V digital supply (DVDD). Applying DVDD before the analog rails can cause latch-up or improper initialization of the internal reference buffer, leading to output errors. Ensure power-on sequencing control via supervisor ICs or soft-start circuits, especially in systems where digital logic powers up faster than analog sections.
Can the DAC7614EB drive capacitive loads directly, and what limitations should be considered for stability?
The DAC7614EB features buffered voltage outputs but is not designed to drive large capacitive loads (>100 pF) without risk of oscillation. For loads exceeding 50 pF, add a small series resistor (10–100 Ω) at each output to isolate the DAC’s output amplifier from the capacitive load. This improves phase margin and prevents ringing or instability, particularly in cable-driven or long-trace applications.
Is the DAC7614EB suitable for replacing a quad 12-bit DAC in an industrial 4–20 mA current loop transmitter, and what design modifications are needed?
Yes, the DAC7614EB can be used in 4–20 mA loops, but it requires an external voltage-to-current converter stage since it provides only voltage outputs. Use precision op-amps (e.g., OPA192) and matched resistors to convert the ±5V output range to the desired current. Ensure the external circuitry maintains loop compliance and accounts for the DAC’s 10 µs settling time to avoid transient errors during updates.
How does the external reference voltage selection impact accuracy and drift in the DAC7614EB over temperature?
The DAC7614EB uses an external reference, so overall system accuracy depends heavily on the reference’s initial tolerance and temperature coefficient. For ±1 LSB INL over –40°C to 85°C, select a reference with ≤5 ppm/°C drift (e.g., REF5025). Poor reference choice can dominate error budget, making the DAC’s inherent ±1 LSB specification irrelevant. Always derate total error based on reference performance.
What SPI timing constraints must be observed when daisy-chaining multiple DAC7614EB devices on a shared bus?
The DAC7614EB supports SPI Mode 1 (CPOL=0, CPHA=1) with a maximum SCLK frequency of 20 MHz. When daisy-chaining, ensure t_SU (data setup) and t_HO (hold) times meet specifications across all devices—account for propagation delay through each DAC’s shift register. Use low-capacitance PCB traces and consider adding series termination resistors (22–33 Ω) near the first device to reduce reflections at high speeds.
Can the DAC7614EB be drop-in replaced with the DAC7612UB in an existing design, and what functional differences must be addressed?
No, the DAC7614EB (quad-channel) cannot directly replace the DAC7612UB (dual-channel) due to differing channel counts and pinouts. Even if mechanically compatible in SSOP packages, firmware must be updated to handle only two active channels, and unused outputs on the DAC7614EB should be tied to ground or left open per TI guidelines. Additionally, verify reference and supply compatibility, as both use external references but may have different input impedance requirements.
What derating or layout practices are recommended for reliable operation of the DAC7614EB in high-vibration industrial environments?
In high-vibration settings, ensure robust solder joints by using proper pad design and avoiding tombstoning on the 20-SSOP package. Follow IPC-7351 guidelines for surface mount land patterns. Additionally, place decoupling capacitors (0.1 µF ceramic) within 2 mm of AVDD, AVSS, and DVDD pins to mitigate noise induced by mechanical stress. Avoid routing high-current or high-frequency signals beneath the device to prevent coupling into sensitive analog paths.
Does the DAC7614EB support simultaneous update of all four output channels, and how is this achieved via the SPI interface?
Yes, the DAC7614EB allows simultaneous update of all four channels using the LDAC pin. After writing data to individual channel registers via SPI, assert LDAC low to update all outputs at once. Without LDAC control, outputs update asynchronously as data is written, which may cause glitches in synchronized applications like waveform generation or motor control. Always synchronize LDAC with the system’s sample clock for deterministic behavior.
What is the maximum allowable digital input voltage on the SPI pins if the DAC7614EB is powered from 5V but interfaced with a 3.3V microcontroller?
The DAC7614EB’s digital inputs are 5V-tolerant but require a minimum VIH of 3.5V for reliable logic-high recognition when DVDD = 5V. Direct connection to 3.3V logic may result in marginal or failed communication. Use a level translator (e.g., TXB0104) or ensure the MCU outputs meet VIH under load. Alternatively, power DVDD from 3.3V if system noise allows—this lowers VIH threshold and enables direct interfacing, though it reduces output swing range.
How should unused DAC channels on the DAC7614EB be handled to minimize power consumption and noise in low-power designs?
Unused DAC channels on the DAC7614EB should have their outputs left floating and their input registers written to mid-scale (0x800) to minimize internal amplifier bias current. Do not tie outputs to ground or supply rails, as this forces the output stage into saturation, increasing power and potentially causing crosstalk. Disabling via software (by not updating) is insufficient—explicit register programming is required for optimal quiescent performance.

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