REF5010IDR Equivalent & Substitute Parts

Part Overview

The REF5010IDR is a series voltage reference IC manufactured by Texas Instruments, providing a fixed 10V output with ±0.05% tolerance. This component is classified as obsolete, making equivalent and substitute parts necessary for new designs and production continuity. The REF5010IDR operates across the industrial temperature range (-40°C to 125°C) and is housed in an 8-SOIC package, delivering 10 mA output current with low temperature coefficient performance suitable for precision analog applications.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	10V
Output Current	10 mA
Tolerance	±0.05%
Temperature Coefficient	3 ppm/°C
Input Voltage Range	10.2V ~ 18V
Supply Current	1.2 mA
Operating Temperature	-40°C ~ 125°C
Package	8-SOIC
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the REF5010IDR is determined by the following critical parameters: fixed 10V output voltage, 10 mA output current capability, ±0.05% tolerance or better, 8-SOIC package compatibility, and industrial temperature range operation (-40°C to 125°C). Substitute parts must maintain these core electrical specifications to ensure functional equivalence in existing circuit designs.

The substitute parts are grouped into two categories:

Category 1: Direct Manufacturer Equivalent (Texas Instruments) REF5010IDGKR provides identical electrical performance in an alternative package format (8-VSSOP) with active product status, offering improved availability.

Category 2: Cross-Manufacturer Alternatives (Analog Devices Inc./Maxim Integrated) ADR01 series and MAX876 series parts meet or exceed the electrical requirements of the REF5010IDR. These alternatives are available in multiple tolerance grades and packaging options, all maintaining the 10V fixed output and 8-SOIC package footprint.

Parameter Comparison

Part Number	Manufacturer	Output Voltage	Tolerance	Temp Coeff	Input Voltage	Supply Current	Package	Status
REF5010IDR	Texas Instruments	10V	±0.05%	3 ppm/°C	10.2V ~ 18V	1.2 mA	8-SOIC	Obsolete
REF5010IDGKR	Texas Instruments	10V	±0.05%	3 ppm/°C	10.2V ~ 18V	1.2 mA	8-VSSOP	Active
ADR01ARZ	Analog Devices Inc.	10V	±0.1%	10 ppm/°C	12V ~ 36V	1 mA	8-SOIC	Active
ADR01ARZ-REEL7	Analog Devices Inc.	10V	±0.1%	10 ppm/°C	12V ~ 36V	1 mA	8-SOIC	Active
ADR01BRZ	Analog Devices Inc.	10V	±0.05%	3 ppm/°C	12V ~ 36V	1 mA	8-SOIC	Active
ADR01BRZ-REEL7	Analog Devices Inc.	10V	±0.05%	3 ppm/°C	12V ~ 36V	1 mA	8-SOIC	Active
ADR01WARZ-R7	Analog Devices Inc.	10V	±0.14%	10 ppm/°C	12V ~ 24V	1 mA	8-SOIC	Active
ADR01WARZ-RL	Analog Devices Inc.	10V	±0.14%	10 ppm/°C	12V ~ 24V	1 mA	8-SOIC	Active
MAX876AESA+	Analog Devices Inc./Maxim Integrated	10V	±0.03%	7 ppm/°C	12V ~ 18V	700 µA	8-SOIC	Active
MAX876AESA+T	Analog Devices Inc./Maxim Integrated	10V	±0.03%	7 ppm/°C	12V ~ 18V	700 µA	8-SOIC	Active
MAX876BESA+	Analog Devices Inc./Maxim Integrated	10V	±0.05%	20 ppm/°C	12V ~ 18V	700 µA	8-SOIC	Active

Engineering Selection Recommendations

For Direct Replacement (Same Manufacturer) REF5010IDGKR is the active equivalent from Texas Instruments. It maintains identical electrical specifications (10V output, ±0.05% tolerance, 3 ppm/°C temperature coefficient) and operates across the same industrial temperature range. The primary difference is the package format (8-VSSOP versus 8-SOIC), which requires PCB layout modification but offers improved availability with 16,837 units in stock.

For Cross-Manufacturer Substitution ADR01BRZ and ADR01BRZ-REEL7 (Analog Devices Inc.) provide the closest electrical match to the REF5010IDR, with identical ±0.05% tolerance and 3 ppm/°C temperature coefficient. Both maintain 10V fixed output and 8-SOIC package compatibility. The ADR01 series offers wider input voltage range (12V ~ 36V) and lower supply current (1 mA), with active product status and unlimited moisture sensitivity rating.

MAX876AESA+ and MAX876AESA+T (Analog Devices Inc./Maxim Integrated) exceed the REF5010IDR specifications with superior ±0.03% tolerance and lower noise performance. These parts are suitable for applications requiring enhanced precision, though they operate at a narrower input voltage range (12V ~ 18V) and lower maximum operating temperature (85°C versus 125°C).

ADR01ARZ and ADR01ARZ-REEL7 are acceptable substitutes where ±0.1% tolerance is acceptable. These parts provide the widest input voltage range (12V ~ 36V) and are available in high quantities.

All substitute parts carry ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original REF5010IDR.

Frequently Asked Questions (FAQ)

Q: Can REF5010IDGKR replace REF5010IDR directly on the PCB? A: REF5010IDGKR maintains identical electrical specifications but uses an 8-VSSOP package instead of 8-SOIC. PCB layout modification is required due to different pin pitch and footprint geometry. Electrical functionality is equivalent.

Q: What is the key difference between ADR01BRZ and ADR01ARZ? A: Both are Analog Devices ADR01 series parts in 8-SOIC packages. ADR01BRZ offers ±0.05% tolerance with 3 ppm/°C temperature coefficient, matching the REF5010IDR specification. ADR01ARZ provides ±0.1% tolerance with 10 ppm/°C temperature coefficient, suitable for less stringent applications.

Q: Why do MAX876 parts have lower operating temperature limits? A: MAX876 series is rated to -40°C ~ 85°C, compared to the REF5010IDR's -40°C ~ 125°C. Applications requiring full industrial temperature range operation should use ADR01 series alternatives instead.

Q: Are packaging variants (Tube, Tape & Reel, Cut Tape) electrically equivalent? A: Yes. Packaging variants of the same part number (e.g., ADR01BRZ versus ADR01BRZ-REEL7) are electrically identical. The designation indicates only the shipping and handling format, not electrical performance.

Q: What is the advantage of ADR01 series over MAX876 series? A: ADR01 series offers wider input voltage range (12V ~ 36V versus 12V ~ 18V), lower supply current (1 mA versus 700 µA), and extended operating temperature to 125°C. MAX876 series provides superior tolerance (±0.03%) and lower noise for precision-critical applications within its temperature and voltage constraints.

Q: Can ADR01WARZ-R7 or ADR01WARZ-RL be used as direct substitutes? A: These automotive-grade parts maintain 10V output and 8-SOIC package compatibility but have ±0.14% tolerance and narrower input voltage range (12V ~ 24V). They are acceptable substitutes only where tolerance relaxation is acceptable and input voltage remains within 12V ~ 24V.

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