My Inquiry
My Account
Analog Devices Inc./Maxim Integrated REF01HSA-T
- Part No.:
- REF01HSA-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
REF01HSA-T.pdf
- Description:
- 10V VOLTAGE REFERENCE
- Quantity:
- Payment:
- Shipping:
Inventory:2,371
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
REF01HSA-T from Maxim Integrated is a precision 10V voltage reference IC in an 8-pin SOIC package, designed for high-stability analog systems requiring ±50mV initial accuracy, 25ppm/°C max temperature coefficient, and operation across 0°C to +70°C. It delivers 10V output with ±6% trim range, supports 13V–33V input, and sinks up to 21mA - used in precision ADC/DAC calibration, digital voltmeters, and voltage regulator feedback loops.
For engineers reviewing the REF01HSA-T datasheet, REF01HSA-T pinout, REF01HSA-T application, or REF01HSA-T equivalent, key selection criteria include its 10V fixed output, SOIC-8 thermal performance (300mW max dissipation), load regulation of 0.007%/mA, low 1.4mA quiescent current, and compatibility with trimming resistors for system-level error correction.
Technical Context
The REF01HSA-T implements a bandgap-based reference core with internal trimming and buffered output, enabling stable 10V generation without external components beyond optional trim resistor. Its architecture supports single-supply operation from 13V to 33V and maintains output accuracy under load currents up to 21mA while limiting self-heating effects via defined thermal derating (5.0mW/°C above +55°C).
Unlike the REF02 family, REF01HSA-T has no TEMP pin - pin 3 is NC - and does not provide temperature transduction. Its output adjustment uses an external 10kΩ potentiometer between TRIM and GND, shifting VO by ±600mV with minimal impact on TCVO (0.7ppm/°C per 100mV change).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 10.00 V ±50 mV at TA = +25°C - ensures baseline accuracy for 12-bit+ systems without post-calibration. |
| Tempco (Max) | 25 ppm/°C over 0°C to +70°C - limits drift to ±175 µV across full operating range. |
| Initial Error | ±50 mV (±0.5%) - defines worst-case offset before trimming; trimmed output achieves <±10 mV in production. |
| Input Voltage Range | 13 V to 33 V - enables use with standard industrial supplies (e.g., +15V, +24V rails) while rejecting line ripple. |
| Quiescent Current | 1.4 mA max - allows low-power operation in battery-backed instrumentation or portable test gear. |
| Load Regulation | 0.007%/mA (0.7 µV/mA) - maintains stability under dynamic load changes typical in DAC buffer stages. |
| Output Noise (0.1–10 Hz) | 30 µVP-P - suitable for 16-bit SAR ADCs where reference noise dominates SNR budget. |
Pinout & Package
REF01HSA-T is housed in an 8-pin Small Outline Integrated Circuit (SOIC) package, 0.150" wide, with 1.27 mm pitch and gull-wing leads. Thermal dissipation is rated at 300 mW (derated 5.0 mW/°C above +55°C). Pin 3 is No Connection (NC); pin 6 is TRIM for external adjustment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VOUT) | Reference Output | 10V precision output node; requires local 1µF ceramic bypass for stability and noise reduction. |
| 2 (TRIM) | Adjustment Terminal | Connects to wiper of 10kΩ potentiometer between GND and VOUT to shift output ±6% (±600mV). |
| 3 (NC) | No Connection | Not bonded internally; must remain unconnected - differs from REF02's TEMP pin functionality. |
| 4 (GND) | Analog Ground | Primary return path; must be star-connected to minimize ground bounce in mixed-signal systems. |
| 5 (VIN) | Input Supply | Accepts 13V–33V DC; internal series pass element regulates output; decoupling required within 1 cm. |
| 6 (NC) | No Connection | Unused pin; electrically isolated - no routing or soldering required. |
| 7 (NC) | No Connection | Unused pin; electrically isolated - no routing or soldering required. |
| 8 (NC) | No Connection | Unused pin; electrically isolated - no routing or soldering required. |
Key Features
| Feature | Design Value |
|---|---|
| Pretrimmed 10V output | Guaranteed 9.95V–10.05V at +25°C eliminates need for factory calibration in most applications. |
| ±6% output adjustability | Enables system-level trimming to compensate for DAC gain error, op-amp offset, or PCB trace resistance. |
| Short-circuit protected output | Withstands indefinite short to GND or VIN - critical for robustness during board bring-up or fault conditions. |
| Low 1.4mA quiescent current | Reduces thermal drift contribution and simplifies power budgeting in multi-channel data acquisition modules. |
| SOIC-8 RoHS-compliant footprint | Standardized 150-mil package enables drop-in replacement in legacy designs and supports automated assembly. |
Applications
| High-Accuracy Data Acquisition | Digital Voltmeter Calibration |
|---|---|
Use Scenario: 16-bit SAR ADC in industrial sensor interface requiring sub-LSB reference stability over temperature. IC Role / Device Role / Timing Role: Primary voltage reference for ADC conversion reference rail, directly connected to REF+ input. Use Value: 25ppm/°C tempco and 30µVP-P low-frequency noise ensure <±0.5 LSB total error across 0°C–70°C without recalibration. | Use Scenario: Benchtop DVM with autoranging and 5½-digit resolution needing traceable 10V reference standard. IC Role / Device Role / Timing Role: Stable 10V source for internal ADC and front-end attenuator calibration. Use Value: ±50mV initial error and ±6% trim allow alignment to NIST-traceable standards; SOIC package supports compact, shielded layout. |
| Voltage Regulator Feedback | Precision Instrumentation Power Supply |
Use Scenario: Programmable lab power supply with 0–30V output and 10mV setpoint resolution. IC Role / Device Role / Timing Role: Reference for error amplifier in adjustable linear regulator feedback loop. Use Value: Load regulation of 0.007%/mA ensures setpoint accuracy remains stable despite varying output current (0–3A). | Use Scenario: Dual-rail ±15V supply for op-amp-based signal conditioning with tight common-mode rejection. IC Role / Device Role / Timing Role: Master reference for independent +10V and –10V tracking regulators (e.g., using OP-07 in Figure 3). Use Value: 10V output serves as stable anchor; TRIM pin enables matched positive/negative rail symmetry within 0.1%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF01HSA+ | Identical electrical specs and pinout; RoHS/lead-free compliant (Pb-free terminations). | Same functional use; preferred for new designs targeting environmental compliance. | Select REF01HSA+ when lead-free assembly is required; REF01HSA-T is legacy non-RoHS variant. |
| MAX6035AESA+ | 2.5V output, 3ppm/°C max tempco, 1.8–5.5V supply - lower voltage, tighter stability, but not 10V-compatible. | Used in low-voltage microcontroller ADC references; cannot replace 10V function without level-shifting. | Choose MAX6035AESA+ only for new 2.5V-referenced systems; not a functional substitute for REF01HSA-T's 10V role. |
Compared with REF01HSA+, REF01HSA-T offers identical performance but lacks Pb-free terminations - critical for legacy manufacturing lines. Compared with MAX6035AESA+, it provides 10V output and higher supply tolerance (13–33V vs. 1.8–5.5V), making it irreplaceable in high-voltage analog front-ends despite looser tempco.
Availability
REF01HSA-T is available at Aetrix Electronics and suitable for precision data acquisition, digital voltmeter calibration, and voltage regulator feedback applications requiring stable component supply, long-term sourcing continuity, and legacy-compatible packaging.
Supply support for REF01HSA-T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for industrial, medical, and test equipment markets, emphasizing accuracy, reliability, and integration.
The REF01 family was engineered specifically for high-stability 10V reference needs in metrology-grade instruments, calibration standards, and high-resolution data converters - prioritizing low tempco, trim flexibility, and robust supply rejection over ultra-low power or digital interfaces.
FAQ
What is the maximum input voltage for REF01HSA-T?
The absolute maximum input voltage for REF01HSA-T is 40V, but the recommended operating range is 13V to 33V DC. Operation outside this range may degrade long-term reliability or cause thermal overstress. The device draws only 1.4mA quiescent current, so power dissipation remains within SOIC-8 limits (300mW) even at 33V input with no load.
Can REF01HSA-T be used as a 5V reference?
No, REF01HSA-T is a fixed 10V reference IC and cannot be configured for 5V output. The REF02 family (e.g., REF02HSA-T) provides 5V output with identical package and trim capability. Attempting to scale REF01HSA-T's output with external resistors compromises accuracy, noise performance, and temperature stability - not supported by design.
Does REF01HSA-T have a temperature output pin like REF02?
No, REF01HSA-T does not include a temperature sensing function. Pin 3 is designated NC (No Connection), whereas REF02 devices use pin 3 as TEMP output (630mV at +25°C, 2.1mV/°C slope). REF01HSA-T is optimized solely for voltage reference stability; any temperature monitoring must be implemented externally.
What is the purpose of the TRIM pin on REF01HSA-T?
The TRIM pin (pin 2) on REF01HSA-T enables ±6% adjustment of the 10V output (±600mV range) using an external 10kΩ potentiometer connected between VOUT and GND. This allows system-level correction of errors from downstream components (e.g., DAC gain mismatch, op-amp offset), with minimal impact on temperature coefficient (0.7ppm/°C per 100mV shift).
Is REF01HSA-T pin-compatible with REF01HP or REF01EP?
REF01HSA-T shares identical pin functions with REF01HP and REF01EP, but differs in package: SOIC-8 vs. PDIP-8. While circuit roles match (VOUT, TRIM, GND, VIN), mechanical layout, thermal characteristics, and soldering requirements differ. No PCB redesign is needed for functional substitution if footprint adapters or re-layout accommodates SOIC-8 dimensions and thermal relief.
REF01HSA-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- REF01
- Packaging:
- Bulk
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 10V
- Voltage - Output (Max):
- -
- Current - Output:
- 21 mA
- Tolerance:
- ±0.5%
- Temperature Coefficient:
- 25ppm/°C
- Noise - 0.1Hz to 10Hz:
- 20µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 13V ~ 33V
- Current - Supply:
- 1.4mA
- Current - Cathode:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
REF01HSA-T FAQ
1.How can I place an order for REF01HSA-T through Aetrix?
Please submit a Request for Quotation (RFQ) for REF01HSA-T on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for REF01HSA-T reliable?
The price and inventory of REF01HSA-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for REF01HSA-T is usually 5 days.
3.What payment methods are accepted for REF01HSA-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for REF01HSA-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for REF01HSA-T?
REF01HSA-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your REF01HSA-T order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for REF01HSA-T?
For technical support, including REF01HSA-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your REF01HSA-T requirements.
6.How does Aetrix verify that REF01HSA-T is sourced from the original manufacturer or authorized distributors?
All REF01HSA-T products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that REF01HSA-T meets industry standards.
7.What is the process for return or replacement of REF01HSA-T?
All REF01HSA-T units undergo pre-shipment inspection (PSI). If there is an issue with REF01HSA-T, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The REF01HSA-T part is unused and in its original packaging.
Return procedure for REF01HSA-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
REF01HSA-T Tags
-
TL431AIDBZR
Texas Instruments
-
TL431BQDBZR
Texas Instruments
-
AN431AN-ATRG1
Diodes Incorporated
-
LM4040CYM3-2.5-TR
Microchip Technology
-
LM4040CYM3-4.1-TR
Microchip Technology
-
LM4040EIM3-2.5/NOPB
Texas Instruments
-
AZ431LBNTR-G1
Diodes Incorporated
-
LM4040D20IDBZR
Texas Instruments
-
LM4041DIM3-ADJ/NOPB
Texas Instruments
-
LM4040DIM3X-2.5/NOPB
Texas Instruments
-
LM4040DIM3-2.5/NOPB
Texas Instruments
-
AZ431LANTR-G1
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
