REF5010ID - 10V Precision Voltage Reference, 0.05% | TI
MPN: REF5010ID ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.74 | $4.74 |
| 10 | $4.51 | $45.10 |
| 100 | $4.26 | $426.00 |
| 500 | $4.03 | $2,015.00 |
| 1,000 | $3.79 | $3,790.00 |
REF5010ID Overview
A series (three-terminal style) voltage reference is a type of voltage reference IC that maintains a precise output voltage independent of input supply variations, load changes, and temperature, sitting within the hierarchy: voltage reference -> precision analog IC -> power/reference management -> semiconductor. Unlike shunt references, series references like the REF50xx family do not require an external bias resistor and achieve excellent line and load regulation with low quiescent power.
Key features of the REF5010ID include its very low drift (3 ppm/°C for the I grade), tight initial accuracy (±0.05%), and very low flicker noise (0.5 µVPP per volt of output). The device is capable of both sourcing and sinking current, which makes it robust in reference-buffer and capacitive-load environments. According to TI product information, the REF50xx family achieves 2.5 ppm/°C drift and 0.025% accuracy in the higher A grade, using proprietary design techniques.
Technically, the REF50xx employs a proprietary bandgap-based architecture with fine trimming during manufacturing to reach its high accuracy class. The output stage can both source and sink up to 10 mA, giving designers headroom for ADC/DAC reference inputs and dynamic loads. The industrial temperature specification (-40°C to +125°C) supports demanding factory and instrumentation environments.
Typical applications include high-resolution industrial ADC and DAC reference supplies, precision data-acquisition systems, portable medical diagnostic analog front ends, and test and measurement instrumentation where long-term stability matters more than power consumption.
A key design consideration is the VIN headroom: ensure the supply stays above the dropout requirement and within the family's wide VIN range, and decouple both VIN and VOUT with quality ceramic capacitors to preserve the low-noise performance.
This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-10-21.
Drop-in alternatives for REF5010ID — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
REF5010AID
✅ Drop-In📋 Reference alternative (not in catalog)
REF5010ID Specifications
| Output Voltage | 10 V fixed |
| Initial Accuracy | ±0.05% |
| Output Current | ±10 mA (source and sink) |
| Temperature Drift | 3 ppm/°C (typical, I grade) |
| Flicker Noise | 0.5 uVPP/V (0.1 Hz to 10 Hz) |
| Reference Type | Series precision voltage reference |
| Operating Temperature Range | -40C to +125C |
| Package | SOIC (D), 8 pins |
| Mounting Type | Surface Mount |
| Trim / NR Pin | Yes (TRIM and noise-reduction pins available on REF50 family) |
| Grade | High grade (REF50xxI) |
REF5010ID soic (d), 8 pins Pin Configuration Guide
Pin configuration for REF5010ID (soic (d), 8 pins package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for REF5010ID.
Refer to the datasheet for full pin configuration.
Typical Applications
REF5010ID is suitable for 6 applications: Industrial High-Resolution ADC Reference, Precision Data Acquisition Systems, Precision DAC Output Systems, Test and Measurement Instrumentation, Portable Medical Diagnostic Equipment, Factory Automation and Process Control.
Industrial High-Resolution ADC Reference
The REF5010ID's fixed 10 V output with ±0.05% initial accuracy and 3 ppm/°C drift makes it a strong reference supply for high-resolution industrial ADCs, where reference error scales directly into measurement error. In a 16-bit system with a 10 V full-scale input, one LSB equals roughly 152 uV; the reference's ±5 mV initial error can be calibrated out in production, while the 3 ppm/°C drift contributes only about 30 uV of error over a 10°C ambient swing, preserving effective resolution. Placed close to the ADC reference pin with the recommended ceramic decoupling, the series topology sources the dynamic reference currents typical of SAR converters without external bias resistors, and the ±10 mA source/sink capability handles reference kickback from sampling networks robustly.
Recommended
Precision Data Acquisition Systems
In laboratory-grade precision data acquisition, the REF5010ID provides the stable voltage scale against which all channels are measured. Its very low flicker noise of 0.5 uVPP per volt of output keeps low-frequency noise below the quantization floor of delta-sigma converters used in weigh-scale, strain-gauge, and thermal measurement front ends. The REF50xx family's excellent line and load regulation per TI product data means supply rail fluctuations from shared industrial 24 V-derived supplies translate minimally into reference error. Designers typically power the reference from a clean local LDO rail, decouple VIN and VOUT per the TI datasheet, and use the TRIM pin to calibrate system gain at final test, taking full advantage of the ±10 mA bidirectional output capability.
Recommended
Precision DAC Output Systems
For DAC-based stimulus and control systems, the REF5010ID defines the full-scale output span, so its 10 V ±0.05% accuracy and 3 ppm/°C drift set the achievable absolute output accuracy after calibration. The ±10 mA source and sink capability is valuable because DAC reference inputs and R-2R ladders can both draw and return current during code transitions; TI notes the REF50xx family is 'very robust with regard to line and load changes'. In programmable industrial sources and automated test equipment, the reference is typically buffered by a precision op-amp whose supply and input ranges accommodate the 10 V span, with the TRIM/NR pins used to reduce wideband noise where required by the application.
Recommended
Test and Measurement Instrumentation
Benchtop multimeters, calibrators, and sensor simulators rely on references like the REF5010ID for long-term stable scaling. The 10 V point is an industry-standard calibration voltage, and the REF5010ID's ±0.05% initial accuracy combined with low drift allows instruments to meet accuracy specifications with modest calibration intervals. TI's proprietary bandgap-based design achieves very high precision without ovenization, so the SOIC-8 package fits compact handheld and rack instruments alike. Its wide VIN tolerance per the REF50 family datasheet simplifies power design across battery and mains-derived supplies, and the industrial -40°C to +125°C rating covers equipment stored in unheated vehicles or field service conditions.
Recommended
Portable Medical Diagnostic Equipment
Portable medical diagnostic devices measuring sub-1.2 V to low-volt analog signals, such as glucose meters and point-of-care analyzers, benefit from the REF5010ID's very low flicker noise of 0.5 uVPP/V, which protects tiny biosignal amplitudes from reference-induced noise. The 3 ppm/°C drift keeps calibration valid across the temperature range of body-worn or ambulance-stored equipment, and the series topology avoids the continuous bias current a shunt reference would drain from battery supplies. TI datasheet application guidance covers external capacitor selection for noise reduction using the NR pin. Power the reference from a dedicated low-noise LDO rail and verify that 10 V headroom exists in higher-voltage battery stacks, or scale with an upstream boost converter.
Recommended
Factory Automation and Process Control
Process transmitters, 4-20 mA loop interfaces, and PLC analog modules use the REF5010ID as the conversion standard for sensor inputs and control outputs. The industrial -40°C to +125°C rating with the high-grade drift of 3 ppm/°C ensures loop accuracy across electrical cabinets that see seasonal temperature swings, while ±0.05% initial accuracy simplifies field calibration. TI's REF50xx family documentation highlights excellent line regulation, which matters in factory environments where shared 24 V buses carry motor-driven ripple. The reference's sink capability also handles reverse current when multiple channels share one reference. Standard practice is to decouple per the TI datasheet and guard the TRIM pin against cabinet dust and moisture pickup.
Recommended
Recommended Products Summary
Engineering reference data for REF5010ID — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | REF5010AID |
|---|---|---|
| Package | SOIC-8 (D) | SOIC-8 (D) - same |
| Brand | Texas Instruments | Texas Instruments |
| Output Voltage | 10 V fixed | 10 V fixed |
| Initial Accuracy | ±0.05% | ±0.025% |
| Temperature Drift | 3 ppm/°C | 2.5 ppm/°C |
| Output Current | ±10 mA | ±10 mA |
| Operating Temperature | -40C to +125C | -40C to +125C |
| Grade Tier | High grade (I) | Standard grade (A) - tighter accuracy per TI REF50xx grading |
| Flicker Noise | 0.5 uVPP/V | 0.5 uVPP/V |
Key Differentiators
- Cost-optimized high grade for industrial precision (vs REF5010AID)
- Bidirectional ±10 mA output stage (vs REF5010AID)
- Trade-off: accuracy ceiling vs A grade (vs REF5010AID)
Design Notes
Decouple the REF5010ID input and output with quality ceramic capacitors (typically 1 uF or more, verify exact values in the TI REF50xx datasheet application section) placed as close to the pins as possible. Keep high-current digital traces away from the reference output node, and use a local ground pour under the SOIC-8. The TRIM pin, if unused, should be left floating per datasheet guidance; if used for calibration, guard it with clean board area to prevent leakage-induced error.
Ensure the supply voltage maintains adequate headroom above the 10 V output across all line and load conditions; the REF50xx family is characterized for a wide VIN range but the exact minimum VIN is defined in the TI datasheet electrical characteristics table. Because the series topology sources and sinks up to 10 mA, size any upstream LDO or regulator so reverse or transient currents cannot drag the output out of regulation when driving dynamic ADC reference loads.
Do not confuse REF50xx grade letters: per TI product data the family is offered in standard (A), high (I), and enhanced grades, with the A grade providing 0.025% accuracy and 2.5 ppm/°C drift. Also note the 8-pin SOIC (D) and VSSOP (DGK) variants share the REF50xx die but NOT the same footprint - the VSSOP parts cannot replace the SOIC REF5010ID without PCB rework. Verify the last two package/grade letters before qualifying a substitute.
Compliance Information
Compliance status not stated in the provided web data; verify on the TI REF5010ID product page or Mouser listing.
