DAC6571IDBVRG4 Equivalent & Substitute Parts

Part Overview

The DAC6571IDBVRG4 is a 10-bit digital-to-analog converter manufactured by Texas Instruments, housed in a SOT-23-6 surface mount package. This component features buffered voltage output, I2C data interface, and operates across a 2.7V to 5.5V supply range. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing production and design continuity.

Key Parameters

Parameter	Value
Number of Bits	10
Number of D/A Converters	1
Output Type	Voltage - Buffered
Data Interface	I2C
Settling Time	9µs
Voltage - Supply, Analog	2.7V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V
INL/DNL (LSB)	±2 (Max), ±0.5 (Max)
Architecture	String DAC
Operating Temperature	-40°C ~ 105°C
Package / Case	SOT-23-6
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the DAC6571IDBVRG4 is determined by strict equivalence across the following critical parameters: 10-bit resolution, single D/A converter configuration, buffered voltage output, I2C interface, 9µs settling time, SOT-23-6 package, and operating temperature range of -40°C to 105°C.

The substitute parts are grouped into two categories:

Parametric Equivalents (Texas Instruments DAC6571 Series): DAC6571IDBVR and DAC6571IDBVT maintain identical electrical specifications and differ only in packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Both are active products with full parameter alignment to the obsolete DAC6571IDBVRG4.

Manufacturer Recommended Equivalent (Analog Devices): AD5311BRTZ-REEL7 provides functional equivalence with identical resolution, output type, interface, settling time, package, and temperature range. The supply voltage range differs minimally (2.5V ~ 5.5V versus 2.7V ~ 5.5V), and INL/DNL specifications are superior (±0.5, ±0.05 versus ±2, ±0.5).

Parameter Comparison

Parameter	DAC6571IDBVRG4	DAC6571IDBVR	DAC6571IDBVT	AD5311BRTZ-REEL7
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Analog Devices Inc.
Number of Bits	10	10	10	10
Number of D/A Converters	1	1	1	1
Output Type	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered	Voltage - Buffered
Data Interface	I2C	I2C	I2C	I2C
Settling Time	9µs	9µs	9µs	9µs
Voltage - Supply, Analog	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.5V ~ 5.5V
Voltage - Supply, Digital	2.7V ~ 5.5V	2.7V ~ 5.5V	2.7V ~ 5.5V	2.5V ~ 5.5V
INL/DNL (LSB)	±2 (Max), ±0.5 (Max)	±2 (Max), ±0.5 (Max)	±2 (Max), ±0.5 (Max)	±0.5, ±0.05
Architecture	String DAC	String DAC	String DAC	String DAC
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For applications currently using the obsolete DAC6571IDBVRG4, the Texas Instruments DAC6571IDBVR and DAC6571IDBVT represent direct parametric equivalents with active product status. Selection between these two depends on packaging requirements: DAC6571IDBVR is supplied in Cut Tape & Digi-Reel format, while DAC6571IDBVT is supplied in Tape & Reel format. Both maintain identical electrical performance and full compliance with ROHS3 and REACH standards.

The Analog Devices AD5311BRTZ-REEL7 serves as a manufacturer-recommended alternative with superior INL/DNL specifications (±0.5, ±0.05 versus ±2, ±0.5). The minimum supply voltage is 2.5V compared to 2.7V for the DAC6571 series, providing broader operational flexibility. This component is suitable for applications where enhanced linearity performance is beneficial and cross-manufacturer qualification is acceptable.

All substitute parts maintain identical SOT-23-6 packaging, I2C interface compatibility, 9µs settling time, and -40°C to 105°C operating temperature range, ensuring direct functional replacement in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can DAC6571IDBVR and DAC6571IDBVT be used interchangeably with DAC6571IDBVRG4?

A: Yes. Both parts are parametric equivalents with identical electrical specifications. The difference is packaging format: DAC6571IDBVR uses Cut Tape & Digi-Reel packaging, while DAC6571IDBVT uses Tape & Reel packaging. Selection depends on your procurement and assembly process requirements.

Q: What are the key differences between the Texas Instruments DAC6571 series and the Analog Devices AD5311BRTZ-REEL7?

A: Both maintain 10-bit resolution, buffered voltage output, I2C interface, 9µs settling time, SOT-23-6 package, and -40°C to 105°C operating temperature. The AD5311BRTZ-REEL7 offers superior INL/DNL performance (±0.5, ±0.05 versus ±2, ±0.5) and operates at a minimum supply voltage of 2.5V versus 2.7V for the DAC6571 series.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. DAC6571IDBVR, DAC6571IDBVT, and AD5311BRTZ-REEL7 are all ROHS3 compliant with MSL rating of 1 (Unlimited), matching the compliance profile of the original DAC6571IDBVRG4.

Q: Does the supply voltage difference between DAC6571 (2.7V ~ 5.5V) and AD5311BRTZ-REEL7 (2.5V ~ 5.5V) affect circuit compatibility?

A: The AD5311BRTZ-REEL7 operates at a lower minimum voltage (2.5V), making it compatible with all applications designed for the DAC6571 series. If your circuit operates below 2.7V, the AD5311BRTZ-REEL7 provides extended operational range.

Q: Which substitute part should I select for new designs?

A: For new designs, select from the active product options: DAC6571IDBVR or DAC6571IDBVT (Texas Instruments) based on packaging preference, or AD5311BRTZ-REEL7 (Analog Devices) if superior linearity performance is required. All three are actively manufactured and fully supported.

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