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Analog Devices Inc. LT1460BIS8-10#TRPBF
- Part No.:
- LT1460BIS8-10#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1460BIS8-10#TRPBF.pdf
- Description:
- IC VREF SERIES 0.1% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,412
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Product details
Overview
LT1460BIS8-10#TRPBF from Analog Devices (formerly Linear Technology) is a micropower precision series voltage reference delivering 10.000V ±0.10% initial accuracy, 10ppm/°C max temperature coefficient over –40°C to +85°C, and stable operation with capacitive loads up to 1µF without external compensation. It supplies up to 20mA output current with 0.9V minimum input-output differential and reverse battery protection, making it ideal for high-accuracy industrial power supply monitoring and portable instrumentation.
For engineers reviewing the LT1460BIS8-10#TRPBF datasheet, LT1460BIS8-10#TRPBF pinout, LT1460BIS8-10#TRPBF application, or LT1460BIS8-10#TRPBF equivalent, key selection criteria include guaranteed industrial temperature range operation, low 270µA typical supply current at 10V output, no-output-capacitor stability, and SO-8 package compatibility with standard PCB layouts for precision analog signal chains.
Technical Context
The LT1460BIS8-10#TRPBF uses curvature-compensated bandgap architecture to achieve low drift and high initial accuracy. Its internal thin-film resistor trimming enables ±0.10% output voltage tolerance across the full –40°C to +85°C range, with guaranteed 10ppm/°C tempco up to +125°C.
It operates as a three-terminal series reference with active pass element, requiring only VIN ≥ VOUT + 0.9V. Unlike shunt references, it draws minimal quiescent current (270µA typ) when unloaded and scales supply current linearly with load, enabling extended battery life in portable systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 10.000V ±0.10% (±10mV absolute error at 25°C) |
| Tempco | 10ppm/°C max (±0.85mV drift over –40°C to +85°C) |
| Supply Current | 270µA typical at 10V output (enables >1-year battery life in µA-sleep systems) |
| Load Current | 20mA max sourcing capability (supports ADC biasing and op-amp reference inputs) |
| Dropout Voltage | 0.9V min (allows operation from 10.9V supply in 12V rail systems) |
| Line Regulation | 10ppm/V typical (0.1mV change per volt input variation) |
| Long-Term Stability | 40ppm/√kHr (0.004% drift per 1000 hours of operation) |
Pinout & Package
LT1460BIS8-10#TRPBF is housed in an 8-lead plastic SO (SO-8) package with exposed pad thermal enhancement. Pin 1 is VIN, Pin 2 is VOUT, Pin 3 is GND, and Pins 4–8 are internally connected no-connect terminals - external circuitry must not be attached to these pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN | Input supply terminal; accepts 10.9V to 30V DC with reverse voltage protection to –15V |
| 2 | VOUT | Precision 10.000V reference output; stable with 0–1µF capacitive loads |
| 3 | GND | Analog ground return; must be low-impedance connection to minimize noise coupling |
| 4–8 | DNC | Internally connected; no external connections permitted - floating or tied to GND degrades performance |
Key Features
| Feature | Design Value |
|---|---|
| No output capacitor required | Enables space-constrained PCB designs and eliminates capacitor aging effects on long-term stability |
| Reverse battery protection | Prevents damage during incorrect polarity connection - critical for field-serviceable instruments |
| Capacitive load stability | Operates reliably with 0–1µF output capacitance, supporting fast-settling SAR ADCs and low-noise LDOs |
| Low thermal regulation | 2.5ppm/mW drift ensures <0.5mV shift under 200mW self-heating - essential for sealed enclosures |
| Trimmed thin-film resistors | Delivers ±0.10% initial accuracy without post-assembly calibration - reduces test time and cost |
Applications
| Portable Multimeters | Industrial PLC Analog Inputs |
|---|---|
Use Scenario: Handheld digital multimeter requiring stable 10V reference for 6½-digit ADC conversion across –10°C to +50°C ambient. IC Role / Device Role / Timing Role: Primary voltage reference for successive-approximation ADC front-end, directly setting full-scale measurement range. Use Value: 10ppm/°C tempco ensures <±0.05% reading error over operating temperature - meets Class A DMM accuracy standards. | Use Scenario: 4–20mA loop-powered sensor transmitter in factory automation cabinet with 24V supply and 85°C ambient. IC Role / Device Role / Timing Role: Precision 10V reference for DAC-based current loop control and sensor excitation. Use Value: 20mA sourcing capability and –40°C to +85°C rating enable direct integration into DIN-rail mounted I/O modules without derating. |
| Medical Patient Monitors | Test & Measurement Calibration Sources |
Use Scenario: Battery-operated ECG amplifier module requiring ultra-low-power, low-noise reference for biopotential signal conditioning. IC Role / Device Role / Timing Role: Low-drift reference for programmable gain instrumentation amplifier offset nulling and ADC reference. Use Value: 270µA supply current extends single-cell Li-ion battery life to >18 months in standby mode. | Use Scenario: Benchtop calibrator generating traceable 10V outputs for field instrument verification in metrology labs. IC Role / Device Role / Timing Role: Primary reference source in automated calibration system with 0.01% accuracy requirement. Use Value: 40ppm/√kHr long-term stability allows 90-day recalibration intervals without exceeding ±0.02% total error budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF5010IDR | 10ppm/°C max tempco, but 3.8ppm/V line regulation (vs 10ppm/V), 350µA supply current | Requires external output capacitor for stability with >100nF loads | Preferred where lower line regulation dominates over supply current |
| ADR441BRZ | 10ppm/°C max tempco, 0.05% initial accuracy (vs 0.10%), 450µA supply current | SO-8 package but no reverse battery protection | Selected when tighter initial tolerance justifies higher quiescent power |
Compared with REF5010IDR and ADR441BRZ, the LT1460BIS8-10#TRPBF offers unique reverse-battery protection and capacitor-free stability - critical for ruggedized portable equipment - while trading slightly higher line regulation and initial tolerance for significantly lower supply current and broader industrial temperature support.
Availability
LT1460BIS8-10#TRPBF is available at Aetrix Electronics and suitable for industrial PLC analog inputs, portable multimeters, and medical patient monitors requiring stable component supply with guaranteed long-term availability and full traceability.
Supply support for LT1460BIS8-10#TRPBF 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 acquired Linear Technology in 2017 and maintains its precision analog portfolio, including voltage references, op-amps, and data converters, with emphasis on high-reliability industrial and automotive applications.
The LT1460 series was designed specifically for micropower, high-accuracy voltage referencing in battery-powered instrumentation and industrial control systems where low dropout, capacitive-load stability, and reverse-polarity protection are mandatory.
FAQ
What is the maximum load current supported by the LT1460BIS8-10#TRPBF?
The LT1460BIS8-10#TRPBF supports up to 20mA of continuous sourcing current while maintaining specified accuracy and thermal regulation. At 20mA load, dropout voltage increases to 1.4V, requiring minimum input of 11.4V. Short-circuit current is rated at 40mA, but sustained operation above 20mA may exceed thermal limits in SO-8 package without heatsinking.
Does the LT1460BIS8-10#TRPBF require an output capacitor for stability?
No, the LT1460BIS8-10#TRPBF is internally compensated and remains stable with 0–1µF output capacitance - including zero capacitance for fastest settling. This eliminates capacitor-related drift, aging, and board space requirements. Adding >1µF capacitance may induce ringing unless isolated with a small series resistor (≤2Ω).
What is the guaranteed temperature range for the LT1460BIS8-10#TRPBF?
The LT1460BIS8-10#TRPBF is specified over the industrial temperature range of –40°C to +85°C, with all key parameters - including ±0.10% output voltage accuracy and 10ppm/°C temperature coefficient - guaranteed across this full range. Temperature coefficient is further guaranteed to 125°C for derated operation.
How does reverse battery protection work in the LT1460BIS8-10#TRPBF?
The LT1460BIS8-10#TRPBF incorporates internal reverse-polarity protection circuitry that blocks conduction when VIN is negative relative to GND, preventing damage during accidental reverse connection. Reverse leakage is limited to ≤10µA at –15V, eliminating need for external diodes and associated voltage drop or power loss in battery-powered systems.
Can the LT1460BIS8-10#TRPBF be used in place of the LT1460ACS8-10#TRPBF?
Yes, the LT1460BIS8-10#TRPBF is a direct functional replacement for LT1460ACS8-10#TRPBF in most applications, with identical SO-8 pinout and 10V output. However, the 'B' grade offers ±0.10% initial accuracy and –40°C to +85°C operation versus the 'A' grade's ±0.075% and 0°C to +70°C range - select based on required accuracy and temperature coverage.
LT1460BIS8-10#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 10V
- Voltage - Output (Max):
- -
- Current - Output:
- 40 mA
- Tolerance:
- ±0.1%
- Temperature Coefficient:
- 10ppm/°C
- Noise - 0.1Hz to 10Hz:
- 40µVp-p
- Noise - 10Hz to 10kHz:
- 35µVrms
- Voltage - Input:
- 10.9V ~ 20V
- Current - Supply:
- 360µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1460BIS8-10#TRPBF FAQ
1.How can I place an order for LT1460BIS8-10#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1460BIS8-10#TRPBF 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 LT1460BIS8-10#TRPBF reliable?
The price and inventory of LT1460BIS8-10#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1460BIS8-10#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1460BIS8-10#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1460BIS8-10#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1460BIS8-10#TRPBF?
LT1460BIS8-10#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1460BIS8-10#TRPBF 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 LT1460BIS8-10#TRPBF?
For technical support, including LT1460BIS8-10#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1460BIS8-10#TRPBF requirements.
6.How does Aetrix verify that LT1460BIS8-10#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1460BIS8-10#TRPBF 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 LT1460BIS8-10#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1460BIS8-10#TRPBF?
All LT1460BIS8-10#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1460BIS8-10#TRPBF, 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 LT1460BIS8-10#TRPBF part is unused and in its original packaging.
Return procedure for LT1460BIS8-10#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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