My Inquiry
My Account
Analog Devices Inc. ADR293TRUZ-EP-R7
- Part No.:
- ADR293TRUZ-EP-R7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- 8-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADR293TRUZ-EP-R7.pdf
- Description:
- IC VREF SERIES 0.2% 8TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,457
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADR293TRUZ-EP-R7 from Analog Devices is a low-noise, micropower 5.0 V precision voltage reference using XFET® architecture, delivering 0.2% initial accuracy, 30 ppm/°C max temperature coefficient over −55°C to +125°C, and 15 μA max supply current. It serves as a stable reference for high-resolution ADCs/DACs in defense-grade portable instrumentation and solar-powered systems.
For engineers reviewing the ADR293TRUZ-EP-R7 datasheet, ADR293TRUZ-EP-R7 pinout, ADR293TRUZ-EP-R7 application, or ADR293TRUZ-EP-R7 equivalent, key selection criteria include military-temperature operation, ultralow 15 μVp-p (0.1 Hz–10 Hz) noise, 5 mA output drive, and RoHS-compliant 8-lead TSSOP packaging with enhanced product qualification for aerospace use.
Technical Context
The ADR293TRUZ-EP-R7 implements an XFET® reference core, achieving one-quarter the voltage noise of band gap references at comparable quiescent current, with ultralinear temperature drift and low thermal hysteresis (157 ppm). Its series topology operates from 6.0 V to 15 V input while maintaining regulation across full military temperature range.
It delivers 5 mA output current with 30 ppm/mA load regulation and 70 ppm/V line regulation (typical), enabling direct driving of precision converters without external buffering. The device supports indefinite output short-circuit to ground and features 240°C/W junction-to-ambient thermal resistance in RU-8 package.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.000 V ±10 mV at 25°C - enables direct interface with 5 V logic and analog signal chains without scaling. |
| Initial Accuracy | ±0.20% - reduces system calibration burden in precision data acquisition. |
| Temp Coefficient | 30 ppm/°C max (−55°C to +125°C) - ensures <±1.5 mV total drift across full military range. |
| Supply Current | 15 μA max at 25°C - extends battery life in portable instrumentation beyond 10 years at 10 μA system sleep current. |
| Voltage Noise | 15 μVp-p (0.1 Hz–10 Hz) - preserves ENOB in 20-bit+ SAR and delta-sigma ADCs. |
| Output Current | 5 mA - drives 10 kΩ load or multiple converter references without external op amp. |
| Line Regulation | 70 ppm/V typical - maintains stability under varying supply conditions in unregulated solar/battery systems. |
Pinout & Package
Package: 8-lead TSSOP (RU-8), RoHS-compliant, 3 mm × 3 mm body, 0.65 mm lead pitch, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | NC | No internal connection - must be left floating or grounded per layout best practice. |
| 2 | GND | Analog ground reference - requires low-impedance star connection to minimize noise coupling. |
| 3 | OUT | Regulated 5.0 V output - connects directly to ADC REF+, DAC VREF, or precision op amp bias networks. |
| 4 | NC | No internal connection - must be left floating or grounded per layout best practice. |
| 5 | IN | Unregulated input (6.0 V–15 V) - accepts wide-input solar/battery supplies with minimal dropout. |
| 6 | NC | No internal connection - must be left floating or grounded per layout best practice. |
| 7 | NC | No internal connection - must be left floating or grounded per layout best practice. |
| 8 | NC | No internal connection - must be left floating or grounded per layout best practice. |
Key Features
| Feature | Design Value |
|---|---|
| XFET® Reference Core | Delivers 15 μVp-p noise and 30 ppm/°C drift - outperforms band gap references in precision metrology applications. |
| Military Temperature Range | Specified from −55°C to +125°C - qualified for deployment in airborne, space, and ground vehicle electronics. |
| Enhanced Product Qualification | AQEC-compliant with controlled baseline, single fab/assembly site, and PCN support - meets DO-254 and MIL-PRF-38535 requirements. |
| RoHS Compliance | Z-suffix indicates lead-free, halogen-free construction - satisfies export control and environmental compliance for global defense programs. |
| Pin Compatibility | Direct replacement for REF02 and REF19x families - allows drop-in upgrade in legacy 5 V reference designs. |
Applications
| Portable Instrumentation | Precision ADC Reference |
|---|---|
Use Scenario: Handheld multimeters and field-deployable sensor analyzers powered by primary lithium batteries. IC Role / Device Role / Timing Role: Primary 5 V reference for 24-bit delta-sigma ADCs and low-drift front-end amplifiers. Use Value: 15 μA quiescent current extends battery life to >5 years; 15 μVp-p noise ensures ≤0.5 LSB error in 20-bit conversion. | Use Scenario: High-accuracy data loggers capturing strain gauge or thermocouple signals in oilfield monitoring. IC Role / Device Role / Timing Role: Stable reference source for simultaneous-sampling ADCs in multi-channel isolation modules. Use Value: 30 ppm/°C drift limits gain error to <±0.03% over operating temperature swing, eliminating per-unit calibration. |
| DAC Voltage Reference | Solar-Powered Systems |
Use Scenario: Programmable current sources in automated test equipment generating 4–20 mA loop signals. IC Role / Device Role / Timing Role: Precision VREF input for 16-bit multiplying DACs controlling analog output stages. Use Value: 5 mA output current drives DAC reference inputs and buffer op amps without external gain stage, reducing BOM count. | Use Scenario: Remote environmental sensors powered by small photovoltaic panels with variable 6–14 V output. IC Role / Device Role / Timing Role: Regulated 5 V rail generator for microcontroller, RF transceiver, and sensor interface ICs. Use Value: 6.0 V–15 V input range accommodates unregulated solar harvesters; 70 ppm/V line regulation maintains accuracy across irradiance changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR292TRUZ-EP-R7 | 4.096 V output, same XFET core, identical military temp range and noise performance. | Optimized for 12-bit/16-bit systems using 4.096 V full-scale ADCs; not interchangeable without circuit redesign. | Select when 4.096 V matches ADC resolution and reference headroom requirements. |
| REF02FPZ | 5.0 V output, ±0.3% initial accuracy, 50 ppm/°C tempco, 1.2 mA supply current, commercial temp range only. | Lacks military qualification, higher noise (35 μVp-p), unsuitable for aerospace or extended-temperature industrial use. | Acceptable for cost-sensitive commercial instrumentation where −40°C to +85°C operation suffices. |
Compared with ADR292TRUZ-EP-R7 and REF02FPZ, the ADR293TRUZ-EP-R7 uniquely combines 5.0 V output, 0.2% accuracy, 30 ppm/°C drift, and −55°C to +125°C qualification - making it the only option meeting full AQEC requirements for defense-grade 5 V reference designs.
Availability
ADR293TRUZ-EP-R7 is available at Aetrix Electronics and suitable for portable instrumentation, precision ADC reference, and solar-powered systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for ADR293TRUZ-EP-R7 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
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and defense markets.
The ADR293-EP product line delivers enhanced reliability and extended temperature operation for mission-critical voltage reference applications in aerospace, defense, and harsh-environment industrial systems.
FAQ
What is the operating temperature range of the ADR293TRUZ-EP-R7?
The ADR293TRUZ-EP-R7 is specified for continuous operation from −55°C to +125°C, meeting military-grade environmental requirements. This range is validated per AQEC standards and supported by qualification data on request. All electrical parameters-including initial accuracy, temperature coefficient, and noise-are guaranteed across this full span. The device uses a single fabrication and assembly site to ensure consistent thermal performance.
Is the ADR293TRUZ-EP-R7 pin-compatible with the REF02 series?
Yes, the ADR293TRUZ-EP-R7 is explicitly pin-compatible with the REF02 and REF19x families in the 8-lead TSSOP (RU-8) package. Pin functions match identically: IN, OUT, and GND occupy the same positions, and all NC pins align. No PCB layout change is required when upgrading from REF02FPZ or REF195, though users should verify that the lower 15 μA supply current does not affect upstream regulator stability.
What does the "Z" suffix indicate in ADR293TRUZ-EP-R7?
The "Z" suffix in ADR293TRUZ-EP-R7 denotes RoHS-compliant construction-lead-free, halogen-free, and compliant with EU Directive 2011/65/EU. This applies to both die attach, lead finish, and mold compound. The "EP" suffix confirms Enhanced Product qualification per AQEC standards, including controlled manufacturing baseline, single fab/assembly site, and full traceability. Both suffixes appear together in the full part number.
How does the XFET® architecture improve performance versus band gap references?
The XFET® architecture in the ADR293TRUZ-EP-R7 achieves one-quarter the voltage noise of comparable band gap references at the same quiescent current, plus ultralinear temperature drift and low thermal hysteresis (157 ppm). Unlike band gap devices, XFET® avoids PTAT/CTAT cancellation trade-offs, delivering 15 μVp-p (0.1 Hz–10 Hz) noise and 30 ppm/°C drift-critical for metrology-grade measurement systems where long-term stability dominates error budgets.
Can the ADR293TRUZ-EP-R7 drive a 10 kΩ load continuously?
Yes, the ADR293TRUZ-EP-R7 provides up to 5 mA output current, supporting continuous operation into a 10 kΩ load at 5 V (500 μA), well within its rated capability. Load regulation is specified at 30 ppm/mA, so a 500 μA load introduces only ~15 ppm (0.75 mV) deviation. For heavier loads approaching 5 mA, ensure adequate PCB copper area and thermal relief to maintain junction temperature below 125°C given θJA = 240°C/W in RU-8 package.
ADR293TRUZ-EP-R7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-TSSOP (0.173", 4.40mm Width)
- Series:
- XFET®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.2%
- Temperature Coefficient:
- 30ppm/°C
- Noise - 0.1Hz to 10Hz:
- 15µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 6V ~ 15V
- Current - Supply:
- 20µA
- Current - Cathode:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-TSSOP
ADR293TRUZ-EP-R7 FAQ
1.How can I place an order for ADR293TRUZ-EP-R7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADR293TRUZ-EP-R7 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 ADR293TRUZ-EP-R7 reliable?
The price and inventory of ADR293TRUZ-EP-R7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADR293TRUZ-EP-R7 is usually 5 days.
3.What payment methods are accepted for ADR293TRUZ-EP-R7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADR293TRUZ-EP-R7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADR293TRUZ-EP-R7?
ADR293TRUZ-EP-R7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADR293TRUZ-EP-R7 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 ADR293TRUZ-EP-R7?
For technical support, including ADR293TRUZ-EP-R7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADR293TRUZ-EP-R7 requirements.
6.How does Aetrix verify that ADR293TRUZ-EP-R7 is sourced from the original manufacturer or authorized distributors?
All ADR293TRUZ-EP-R7 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 ADR293TRUZ-EP-R7 meets industry standards.
7.What is the process for return or replacement of ADR293TRUZ-EP-R7?
All ADR293TRUZ-EP-R7 units undergo pre-shipment inspection (PSI). If there is an issue with ADR293TRUZ-EP-R7, 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 ADR293TRUZ-EP-R7 part is unused and in its original packaging.
Return procedure for ADR293TRUZ-EP-R7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADR293TRUZ-EP-R7 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…
