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DAC8551AQDGKRQ1

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IC DAC 16BIT V-OUT 8VSSOP

Part Number: DAC8551AQDGKRQ1

Manufacturer: Texas Instruments

Category: Digital to Analog Converters (DAC)

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Datasheet:: DAC8551AQDGKRQ1.pdf

Description: IC DAC 16BIT V-OUT 8VSSOP

Select Quantity Stock: 12,422

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PRODUCT INFORMATION

Product Details

PRODUCT TECHNICAL REFERENCE

DAC8551AQDGKRQ1 Automotive 16-Bit, Ultralow-Glitch, Voltage-Output Digital-to-Analog Converter

A comprehensive technical overview of the DAC8551AQDGKRQ1, an AEC-Q100 qualified 16-bit voltage-output digital-to-analog converter (DAC) from Texas Instruments featuring ultralow glitch impulse of 0.1nV-s, 8µs settling time, 30MHz SPI-compatible interface, 160µA micro-power operation at 5V, and 8-pin VSSOP package. Covers device function, core features, electrical specifications, pin configuration, typical applications, and replacement selection guidance.

Texas Instruments 8-VSSOP (3.00mm × 3.00mm) 2.7V to 5.5V

Device Classification 16-Bit Voltage-Output DAC

Part Number: DAC8551AQDGKRQ1

Mounting Type: Surface Mount

Operating Temperature Range: -40°C to +125°C

PRODUCT OVERVIEW

What Is the DAC8551AQDGKRQ1?

DAC8551AQDGKRQ1 is an AEC-Q100 qualified 16-bit, single-channel, voltage-output digital-to-analog converter (DAC) from Texas Instruments. The device is part of the DACx551-Q1 family, which includes the 16-bit DAC8551-Q1 and the 12-bit DAC6551-Q1, both qualified for automotive applications.

The DAC8551AQDGKRQ1 provides good linearity with ±4 LSB INL and minimizes undesired code-to-code transient voltages with an ultralow glitch impulse of 0.1nV-s. The device uses a versatile 3-wire serial interface that operates at clock rates up to 30MHz and is compatible with standard SPI, QSPI, Microwire, and digital signal processor (DSP) interfaces. The device requires an external reference voltage to set the output range.

The DAC8551AQDGKRQ1 incorporates a power-on-reset circuit that ensures the DAC output powers up at 0V and remains there until a valid write to the device takes place. The device contains a power-down feature, accessed over the serial interface, that reduces current consumption to 800nA at 5V. Power consumption is only 800µW at 5V, reducing to less than 4µW in power-down mode. The device is available in an 8-pin VSSOP package (DGK) with a 3.00mm × 3.00mm body size, rated for operation from –40°C to +125°C. The device is RoHS compliant (ROHS3), REACH unaffected, and in active production.

16-Bit Ultralow-Glitch DAC 0.1nV-s glitch impulse, 8µs settling time to ±0.003% FSR, and ±4 LSB INL for precision automotive applications.

AEC-Q100 Qualified Device temperature grade 1: –40°C to 125°C, HBM ESD classification level 2, and CDM ESD classification level C4B for automotive applications.

MicroPower Operation 160µA quiescent current at 5V, 800µW power consumption, reducing to 800nA in power-down mode for battery-powered systems.

DEVICE HIGHLIGHTS

Key Features and Benefits of DAC8551AQDGKRQ1

AEC-Q100 Qualified for Automotive

Device temperature grade 1: –40°C to 125°C, HBM ESD classification level 2, and CDM ESD classification level C4B, making it suitable for automotive radar and sensor applications.

Ultralow Glitch Impulse

0.1nV-s glitch impulse minimizes undesired code-to-code transient voltages, preserving signal integrity in precision control loops.

Fast Settling Time

8µs settling time to ±0.003% Full-Scale Range (FSR), enabling high-speed control and calibration applications.

MicroPower Operation

160µA quiescent current at 5V, 800µW power consumption, reducing to 800nA in power-down mode for power-sensitive systems.

High-Speed Serial Interface

3-wire serial interface with Schmitt-triggered inputs operating at clock rates up to 30MHz, compatible with SPI, QSPI, Microwire, and DSP.

Compact 8-Lead VSSOP Package

Available in an 8-lead VSSOP package with a 3.00mm × 3.00mm body size, ideal for space-constrained automotive designs.

REFERENCE DATA

Technical Specifications for DAC8551AQDGKRQ1

Part Number	DAC8551AQDGKRQ1	Manufacturer	Texas Instruments
Device Type	16-Bit Voltage-Output DAC	Resolution	16 Bits
Number of Channels	1	Number of D/A Converters	1
Architecture	Resistor-String	Output Type	Voltage - Buffered
Supply Voltage (Analog)	3.2V to 5.5V	Supply Voltage (Digital)	3.2V to 5.5V
Reference Type	External	Reference Input Voltage	0V to V_DD
Settling Time	8µs to ±0.003% FSR	Slew Rate	0.8V/µs
Integral Nonlinearity (INL)	±4 LSB (Max)	Differential Nonlinearity (DNL)	±0.35 LSB (Max)
Glitch Impulse	0.1nV-s	Gain Error	±0.15% FSR (Max)
Offset Error	±0.05% FSR (Max)	Data Interface	SPI, DSP
Maximum Clock Rate	30MHz	Quiescent Current (I_Q)	160µA at 5V
Power-Down Current	800nA at 5V	Power Consumption	800µW at 5V
Power-Down Power	<4µW	Power-On Reset	Zero-Scale
Output Buffer	Rail-to-Rail	Differential Output	No
Package / Case	8-VSSOP (0.118", 3.00mm Width)	Supplier Device Package	8-VSSOP
Package Body Size	3.00mm × 3.00mm	Pin Count	8
Mounting Type	Surface Mount	Operating Temperature	-40°C to +125°C
AEC-Q100 Qualification	Yes – Grade 1	HBM ESD Classification	Level 2 (±2000V)
CDM ESD Classification	Level C4B (±500V)	Thermal Resistance (RθJA)	206 °C/W
RoHS	ROHS3 Compliant	REACH Status	REACH Unaffected
Moisture Sensitivity Level	MSL 2 (1 Year)	ECCN	EAR99
Product Status	Active	Packaging	Tape & Reel (2,500 per Reel)

Electrical values shown above are reference values. Test conditions, limits, and guaranteed performance should always be confirmed from the current official manufacturer datasheet before design or production use.

DESIGN REFERENCE

Circuit Considerations for DAC8551AQDGKRQ1

External Reference & Power Supply Configuration

The DAC8551AQDGKRQ1 requires an external reference voltage to set the output range:

External Reference: V_REF input accepts 0V to V_DD, setting the DAC output range
Supply Voltage: 3.2V to 5.5V for both analog and digital supplies
Output Buffer: On-chip rail-to-rail output buffer amplifier
Power-On Reset: DAC output powers up at 0V and remains there until a valid write occurs
Power-Down Mode: Accessible via serial interface, reduces current to 800nA at 5V

PCB and System-Level Guidance

DAC performance depends on layout and component selection:

Decoupling Capacitors: Place 0.1µF and 10µF capacitors close to the V_DD pin for stable operation
Serial Interface: 3-wire SPI-compatible interface operates up to 30MHz with Schmitt-triggered inputs
Reference Input: Keep the reference trace short and close to the device for accurate output
Automotive Layout: Ensure adequate thermal relief and trace widths for automotive temperature operation
Verify the recommended PCB footprint from the official datasheet prior to production

8-LEAD VSSOP (3.00mm × 3.00mm)

Pin Configuration Reference for DAC8551AQDGKRQ1

DAC8551

VSSOP TOP VIEW

Confirm package orientation and pin numbering against the official package drawing before PCB layout. The VSSOP package has 8 pins with a 3.00mm × 3.00mm body size.

1 V_DD Power Supply - 3.2V to 5.5V

2 V_REF Reference Input Voltage - Sets DAC Output Range

3 V_FB Output Amplifier Feedback Input

4 V_OUT Analog Output - DAC Voltage Output

5 SYNC Frame Synchronization - Active Low for SPI Interface

6 SCLK Serial Clock Input - Up to 30MHz

7 D_IN Serial Data Input - 3-Wire SPI Data

8 GND Ground

APPLICATION AREAS

Typical Applications for DAC8551AQDGKRQ1

Automotive Radar

AEC-Q100 qualified with ultralow glitch impulse, ideal for precision voltage control in automotive radar systems.

Automotive Sensors

16-bit resolution and micro-power operation suit automotive sensor calibration and signal conditioning applications.

Industrial Process Control

Ultralow glitch and fast settling time enable precise analog control in industrial automation and process control systems.

Portable Instrumentation

160µA micro-power operation and small footprint make this DAC ideal for portable, battery-operated test equipment.

Programmable Voltage Sources

16-bit resolution and external reference capability enable precision programmable voltage source designs.

Data Acquisition Systems

SPI-compatible interface and fast settling time support precise analog output generation in data acquisition systems.

REPLACEMENT GUIDANCE

Selecting an Alternative for DAC8551AQDGKRQ1

A replacement for the DAC8551AQDGKRQ1 should not be selected solely by product category. The electrical characteristics, package, and pin configuration must be evaluated against the specific circuit requirements. The following alternatives are documented in the official Texas Instruments product pages and datasheets.

Resolution: 16-bit

Channels: 1 (Single)

Supply voltage: 3.2V–5.5V

Settling time: 8µs

Package: 8-VSSOP

Interface: SPI

Temperature range: –40°C to 125°C (AEC-Q100 Grade 1)

Glitch impulse: 0.1nV-s

Pin-to-pin and functionally compatible alternatives (same package, different resolution):

Part Number	Resolution	Package	Compatibility
DAC8551AQDGKRQ1	16-bit	8-VSSOP	-
DAC6551AQDGKRQ1	12-bit	8-VSSOP	Drop-in and Functionally Compatible

All alternative part numbers listed above are documented in the official Texas Instruments product pages and datasheets. The DAC8551AQDGKRQ1 is the 16-bit automotive-grade version in an 8-VSSOP package with tape-and-reel packaging (2,500 units per reel). The DAC6551AQDGKRQ1 is the 12-bit version in the same package, drop-in and functionally compatible. Both devices are AEC-Q100 qualified. Select based on resolution and application requirements.

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MANUFACTURER INFORMATION

Texas Instruments

The DAC8551 (DAC8551AQDGKRQ1) belongs to the DACx551-Q1 family of automotive 16-bit and 12-bit, ultralow-glitch, voltage-output digital-to-analog converters from Texas Instruments. The device features ultralow glitch impulse of 0.1nV-s, 8µs settling time, 30MHz SPI-compatible serial interface, and micro-power operation of 160µA at 5V. The DAC8551-Q1 is AEC-Q100 qualified with device temperature grade 1: –40°C to 125°C and is designed for automotive radar, automotive sensors, and precision industrial applications.

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Technical Information Disclaimer

This technical guide is provided for product identification and preliminary reference only. Electrical limits, package dimensions, pin configuration, product status, and application suitability must be verified using current official manufacturer documentation before design, procurement, or production.

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Specifications

Product Attribute: Attribute Value

Part Number: DAC8551AQDGKRQ1

Manufacturer: Texas Instruments

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Series: microPOWER™

Package/Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Packaging: Tape & Reel (TR)

Product Status: Active

Programmable: Not Verified

Number of Bits: 16

Number of D/A Converters: 1

Settling Time: 8µs (Typ)

Output Type: Voltage - Buffered

Differential Output: No

Data Interface: SPI, DSP

Reference Type: External

Voltage - Supply, Analog: 3.2V ~ 5.5V

Voltage - Supply, Digital: 3.2V ~ 5.5V

INL/DNL (LSB): ±4, ±0.35

Architecture: String DAC

Operating Temperature: -40°C ~ 125°C

Supplier Device Package: 8-VSSOP

Mounting Type: Surface Mount

Grade: Automotive

Qualification: AEC-Q100

Frequently Asked Questions

1. How can I order DAC8551AQDGKRQ1 from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of DAC8551AQDGKRQ1?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of DAC8551AQDGKRQ1 updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

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6. What is the return or replacement process for DAC8551AQDGKRQ1?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for DAC8551AQDGKRQ1?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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DAC8551AQDGKRQ1 Procurement and Technical Support

DAC8551AQDGKRQ1 is manufactured by Texas Instruments. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

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Part Number: DAC8551AQDGKRQ1

Manufacturer: Texas Instruments

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Category: Digital to Analog Converters (DAC)

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