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Analog Devices Inc. LT1460DCS8-10#PBF
- Part No.:
- LT1460DCS8-10#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1460DCS8-10#PBF.pdf
- Description:
- IC VREF SERIES 0.1% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:405
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Product details
Overview
LT1460DCS8-10#PBF from Analog Devices (formerly Linear Technology) is a micropower precision series voltage reference delivering 10.000 V ±0.10% initial accuracy, 20 ppm/°C max temperature coefficient over 0°C to 70°C, and stable operation with capacitive loads up to 1 µF - ideal for high-resolution ADCs, portable instrumentation, and industrial power supply feedback loops.
For engineers reviewing the LT1460DCS8-10#PBF datasheet, LT1460DCS8-10#PBF pinout, LT1460DCS8-10#PBF application, or LT1460DCS8-10#PBF equivalent, key selection criteria include dropout voltage (0.9 V min), supply current (270 µA typ at 10 V output), reverse battery protection, and no-output-capacitor-required stability in space-constrained designs.
Technical Context
The LT1460DCS8-10#PBF uses curvature-compensated bandgap architecture to achieve low drift and high accuracy without external compensation. It operates as a three-terminal series reference with input, output, and ground pins, requiring only VIN ≥ VOUT + 0.9 V for regulation.
Its internal thin-film resistor trimming enables 0.10% initial tolerance, while guaranteed thermal performance extends to 70°C ambient. The device supports sourcing up to 20 mA load current with ≤140 ppm/mA load regulation at full scale and exhibits 10 ppm/V line regulation above 2.5 V headroom.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 10.000 V ±0.10% (9.990 V to 10.010 V) - ensures precise scaling in 16-bit+ data acquisition systems |
| Temp Coefficient | 20 ppm/°C max (0°C to 70°C) - maintains <±200 µV drift across commercial temperature range |
| Supply Current | 270 µA typical at 10 V output - enables multi-year battery life in handheld meters |
| Dropout Voltage | 0.9 V min (VIN – VOUT) - allows operation from low-headroom supplies like Li-ion (3.0–4.2 V) with LDO pre-regulation |
| Load Regulation | 140 ppm/mA max (0–20 mA) - limits output shift to <1.4 mV under full load variation |
| Line Regulation | 10 ppm/V (VIN ≥ VOUT + 2.5 V) - rejects supply ripple better than 0.001%/V in clean DC rails |
| Output Noise | 40 µVP-P (0.1–10 Hz), 35 µVRMS (10 Hz–1 kHz) - avoids noise-induced quantization errors in precision DACs |
Pinout & Package
LT1460DCS8-10#PBF is housed in an 8-lead plastic SO (Small Outline) package (S8), with exposed pad not connected. Pin 1 = VIN, Pin 2 = VOUT, Pin 3 = GND; Pins 4–8 are internally connected no-connect (DNC) terminals - external circuitry must not be attached to these pins.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VIN) | Input Supply Terminal | Accepts 10.9 V to 30 V input; minimum differential of 0.9 V required for regulation |
| 2 (VOUT) | Regulated Output Terminal | Delivers stable 10.000 V ±0.10%; sinks or sources up to 20 mA with minimal impedance |
| 3 (GND) | Reference Ground | Return path for internal bias and load current; must be low-impedance connection to system ground plane |
| 4–8 (DNC) | No-Connect Internally | Internally bonded but unconnected - floating or tied to GND per layout best practice; no signal routing permitted |
Key Features
| Feature | Design Value |
|---|---|
| No output capacitor required | Stable with 0–1 µF capacitive loads - eliminates board area and cost of external COUT, accelerates settling in fast-sampling systems |
| Reverse battery protection | Zero conduction at –15 V input - prevents damage during field maintenance or incorrect battery insertion in portable equipment |
| Micropower operation | 270 µA typical supply current - extends shelf life and runtime in always-on sensor nodes and IoT edge devices |
| Trimmed thin-film resistors | 0.10% initial accuracy (100 ppm) - reduces calibration steps in production test for medical and test equipment |
| Guaranteed 125°C junction temp | TJMAX = 125°C with θJA = 190°C/W - supports reliable operation in enclosed industrial enclosures without forced air |
Applications
| Handheld Digital Multimeter | Precision Industrial Power Supply |
|---|---|
Use Scenario: Battery-powered DMM requiring 5½-digit resolution and auto-ranging across 100 mV–1000 V ranges. IC Role / Device Role / Timing Role: Primary 10 V reference for dual-slope and sigma-delta ADC front-end, enabling 0.005% measurement accuracy. Use Value: 20 ppm/°C drift and 40 µVP-P low-frequency noise ensure <±0.5 LSB error over 0–50°C operating range without recalibration. | Use Scenario: Programmable bench power supply with 0.01% setpoint accuracy and remote sense capability. IC Role / Device Role / Timing Role: Feedback reference for isolated error amplifier controlling 0–30 V, 0–10 A output stage. Use Value: 0.9 V dropout and 140 ppm/mA load regulation allow tight regulation even under dynamic load transients up to 5 A/ms. |
| Medical Patient Monitor ECG Front-End | Automated Test Equipment (ATE) Source Measure Unit |
Use Scenario: Low-noise analog front-end amplifying microvolt-level ECG signals with 16-bit digitization. IC Role / Device Role / Timing Role: Reference for programmable gain instrumentation amplifier and SAR ADC reference buffer. Use Value: 35 µVRMS broadband noise and 10 ppm/V line regulation prevent supply-induced baseline wander in diagnostic-grade waveforms. | Use Scenario: Modular SMU card generating calibrated 10 V compliance voltage for semiconductor parametric testing. IC Role / Device Role / Timing Role: Precision voltage source for DUT biasing and reference for 24-bit metrology ADC. Use Value: 0.10% initial tolerance and 100 ppm/√kHr long-term stability meet MIL-STD-45662A calibration traceability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision series reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF102CP | 10 V output, 0.1% initial accuracy, 25 ppm/°C TC, 350 µA supply current, SO-8 package | Higher supply current and TC; requires 1 µF output capacitor for stability | Choose REF102CP only if legacy design reuse or TI ecosystem alignment is required; higher power and less stable under capacitive loads |
| ADR445BRZ | 10 V output, 0.04% initial accuracy, 3 ppm/°C TC, 800 µA supply current, SO-8 package | Lower noise (1.8 µVRMS) and drift, but 3× higher supply current and 2× higher cost | Choose ADR445BRZ when ultra-low drift (<10 ppm total over 0–70°C) justifies added power and BOM cost in lab-grade instruments |
Compared with REF102CP and ADR445BRZ, the LT1460DCS8-10#PBF delivers optimal balance of micropower efficiency (270 µA), capacitor-free stability, and 0.10% accuracy - making it preferred for battery-operated, space-constrained, and cost-sensitive industrial measurement designs where sub-ppm drift is unnecessary.
Availability
LT1460DCS8-10#PBF is available at Aetrix Electronics and suitable for precision instrumentation, portable medical devices, and industrial power supply feedback circuits requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for LT1460DCS8-10#PBF 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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LT1460DCS8-10#PBF belongs to ADI's legacy Linear Technology precision voltage reference product line, engineered specifically for low-power, high-accuracy applications where stability, small size, and robustness against reverse polarity and capacitive loading are critical.
FAQ
What is the maximum load current supported by the LT1460DCS8-10#PBF?
The LT1460DCS8-10#PBF can source up to 20 mA continuously while maintaining specified accuracy and regulation. Short-circuit current capability is rated at 40 mA. Operation beyond 20 mA may degrade line/load regulation and increase output drift due to self-heating - design margins should maintain ≤15 mA for worst-case thermal conditions.
Does the LT1460DCS8-10#PBF require an output capacitor for stability?
No, the LT1460DCS8-10#PBF is internally compensated and stable with 0–1 µF capacitive loads without external components. This eliminates board space, cost, and potential ringing issues associated with output capacitors - a key advantage over shunt references and many competing series references that mandate ≥1 µF COUT.
What is the minimum input voltage required for regulation of the LT1460DCS8-10#PBF?
The LT1460DCS8-10#PBF requires a minimum input-to-output differential voltage of 0.9 V to maintain regulation. For its 10.000 V nominal output, VIN must be ≥10.9 V. Below this threshold, output voltage collapses linearly with input - this dropout behavior is fully characterized and guaranteed across temperature.
How does reverse battery protection work in the LT1460DCS8-10#PBF?
The LT1460DCS8-10#PBF incorporates internal reverse-polarity protection circuitry that blocks conduction when VIN is negative relative to GND. At –15 V input, reverse leakage is limited to ≤10 µA - preventing damage during accidental battery reversal in field-deployed handheld instruments and ensuring system-level safety compliance.
Is the LT1460DCS8-10#PBF compatible with lead-free reflow soldering processes?
Yes, the LT1460DCS8-10#PBF carries the #PBF suffix indicating lead-free finish and is qualified for standard Pb-free reflow profiles, including peak temperatures up to 260°C for 10 seconds. Its plastic SO-8 package meets JEDEC J-STD-020 moisture sensitivity level (MSL) 1, requiring no baking prior to assembly.
LT1460DCS8-10#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- 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:
- 20ppm/°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:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1460DCS8-10#PBF FAQ
1.How can I place an order for LT1460DCS8-10#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1460DCS8-10#PBF 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 LT1460DCS8-10#PBF reliable?
The price and inventory of LT1460DCS8-10#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1460DCS8-10#PBF is usually 5 days.
3.What payment methods are accepted for LT1460DCS8-10#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1460DCS8-10#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1460DCS8-10#PBF?
LT1460DCS8-10#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1460DCS8-10#PBF 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 LT1460DCS8-10#PBF?
For technical support, including LT1460DCS8-10#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1460DCS8-10#PBF requirements.
6.How does Aetrix verify that LT1460DCS8-10#PBF is sourced from the original manufacturer or authorized distributors?
All LT1460DCS8-10#PBF 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 LT1460DCS8-10#PBF meets industry standards.
7.What is the process for return or replacement of LT1460DCS8-10#PBF?
All LT1460DCS8-10#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1460DCS8-10#PBF, 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 LT1460DCS8-10#PBF part is unused and in its original packaging.
Return procedure for LT1460DCS8-10#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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