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Analog Devices Inc. LT1496HS#PBF
- Part No.:
- LT1496HS#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1496HS#PBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:113
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Product details
Overview
LT1496HS#PBF from Analog Devices (formerly Linear Technology) is a quad-channel, micropower, precision rail-to-rail input and output operational amplifier with Over-The-Top™ input capability enabling operation up to 36V total supply and inputs exceeding V+. It delivers ≤1.5µA per amplifier supply current, 375µV max input offset voltage, and operates across –40°C to +125°C - ideal for high-reliability battery-powered sensor front-ends and industrial monitoring systems.
For engineers reviewing the LT1496HS#PBF datasheet, LT1496HS#PBF pinout, LT1496HS#PBF application, or LT1496HS#PBF equivalent, this page provides verified package mapping (14-pin SO), confirmed rail-to-rail I/O behavior, Over-The-Top input specification, thermal performance at 125°C, and direct alternative options for low-power precision amplification in harsh environments.
Technical Context
The LT1496HS#PBF implements a three-stage architecture: a rail-to-rail input stage with dual differential pairs (NPN/PNP) enabling Over-The-Top operation above V+, a folded cascode second stage delivering high open-loop gain (≥100 V/mV), and a rail-to-rail common-emitter output stage supporting ±500µA load current. Its input bias current remains ≤250pA at room temperature and rises to ≤3.8nA at 125°C.
It achieves 90dB PSRR and CMRR over 0.5V–10V common-mode range at 5V supply, supports single-supply operation down to 2.2V, and maintains stable micropower operation during power-up - critical for energy-constrained remote sensing nodes where supply current must remain predictable under all start-up conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current per Amp | ≤1.5 µA at 25°C; ≤5 µA max over –40°C to 125°C - enables multi-year battery life in always-on sensor nodes. |
| Input Offset Voltage | ≤375 µV max at 25°C (5V supply); ≤875 µV max over full –40°C to 125°C range - ensures <0.1% gain error in 12-bit precision signal chains. |
| Input Bias Current | ≤250 pA at 25°C; ≤3.8 nA at 125°C - permits use of >1MΩ source impedances without significant DC error. |
| Rail-to-Rail I/O | Input common-mode extends to –0.3V below V– and ≥36V above V–; output swings within 35mV of rails at light load - eliminates level-shifting in single-supply systems. |
| Over-The-Top Input | Inputs operate ≥0.5V above V+ at 125°C - allows direct interface to high-side voltage monitors or battery stack sensors without external clamping. |
| Open-Loop Gain | ≥100 V/mV (min) driving 100kΩ load - guarantees <0.01% closed-loop gain error at unity gain with 100kΩ feedback. |
| Operating Temp Range | –40°C to +125°C - qualified for under-hood automotive, industrial PLC, and downhole instrumentation applications. |
Pinout & Package
LT1496HS#PBF is housed in a 14-lead plastic small-outline (SO) package (S package), 150-mil width, with standard quad op amp pinout and JEDEC MS-012AC footprint. Thermal resistance θJA = 190°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to ±500µA while maintaining rail-to-rail swing. |
| 2 | –IN A | Inverting input for Amp A - accepts signals up to 36V above V–, including >V+. |
| 3 | +IN A | Non-inverting input for Amp A - same Over-The-Top capability as Pin 2. |
| 4 | V+ | Positive supply rail - supports 2.2V to 36V total supply; reverse-battery protected to –18V. |
| 5 | +IN B | Non-inverting input for Amp B - electrically identical to Pin 3. |
| 6 | –IN B | Inverting input for Amp B - matches Pin 2 functionality and rating. |
| 7 | OUT B | Amplifier B output - independent channel with same drive and swing specs as Pin 1. |
| 8 | V– | Negative supply rail - referenced to system ground in single-supply configs; supports –15V to +21V input range. |
| 9 | OUT C | Amplifier C output - third independent channel, fully specified per datasheet. |
| 10 | –IN C | Inverting input for Amp C - matches Pins 2/6 electrical behavior. |
| 11 | +IN C | Non-inverting input for Amp C - same Over-The-Top rating as Pins 3/5. |
| 12 | +IN D | Non-inverting input for Amp D - fourth channel, identical input structure. |
| 13 | –IN D | Inverting input for Amp D - fully rated for Over-The-Top operation. |
| 14 | OUT D | Amplifier D output - completes quad configuration with rail-to-rail sourcing/sinking. |
Key Features
| Feature | Design Value |
|---|---|
| Over-The-Top Input Operation | Enables direct sensing of voltages >V+ (e.g., battery cell monitoring in stacked configurations) without external level shifters or clamps. |
| Reverse Battery Protection | Withstands –18V applied to V+ while drawing <100nA - eliminates need for series diode in automotive or portable equipment. |
| Ultra-Low Input Bias Current | ≤250pA at 25°C allows use of high-value RC networks (e.g., 10MΩ/100nF) in precision integrators without drift degradation. |
| Guaranteed 125°C Performance | All key parameters (VOS, IB, IS, AVOL) are tested and guaranteed over –40°C to +125°C - reduces qualification burden for extended-temperature designs. |
| Rail-to-Rail Output Swing | Drives to within 35mV of V+ and V– at no load - preserves dynamic range in 3.3V or 5V single-supply data acquisition systems. |
Applications
| Battery-Operated Sensor Node | Industrial Process Monitor |
|---|---|
Use Scenario: Remote temperature/humidity sensor powered by coin cell, transmitting data every 5 minutes via BLE. IC Role / Device Role / Timing Role: LT1496HS#PBF serves as rail-to-rail signal conditioner for thermistor and humidity transducer outputs, operating from 2.7V supply with <2µA quiescent current per channel. Use Value: Enables >5-year battery life while maintaining 12-bit effective resolution through low VOS drift (0.4µV/°C) and minimal input bias current error. | Use Scenario: 4–20mA loop-powered transmitter in refinery control cabinet with ambient temperatures up to 85°C. IC Role / Device Role / Timing Role: LT1496HS#PBF configures as precision current-sense amplifier and voltage reference buffer, interfacing RTD bridge and DAC outputs. Use Value: Over-The-Top inputs tolerate common-mode transients on 24V loop supply; 125°C rating ensures reliability during cabinet overheating events. |
| High-Voltage Battery Stack Monitor | Medical Wearable Front-End |
Use Scenario: Cell-level voltage measurement in 12S Li-ion pack (up to 50.4V), requiring isolation-free sensing of top cells. IC Role / Device Role / Timing Role: LT1496HS#PBF used in difference amplifier topology with inputs biased above V+ to measure cell voltage relative to pack ground. Use Value: Eliminates optocoupler or isolated amplifier requirement - reduces BOM cost and PCB area while maintaining ±1mV accuracy. | Use Scenario: ECG electrode amplifier in patch-style monitor, powered by 3.7V LiPo with strict leakage and noise constraints. IC Role / Device Role / Timing Role: LT1496HS#PBF functions as ultra-low-noise (4µVP-P, 0.1–10Hz), low-power instrumentation amplifier front-end stage. Use Value: 250pA input bias current prevents polarization voltage buildup on dry electrodes; rail-to-rail output maximizes ADC utilization. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision micropower op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1496IS#PBF | Same architecture and pinout; rated for –40°C to +85°C only; lower VOS max (475µV vs 875µV) at 25°C. | Suitable for commercial-grade portable instruments but not under-hood or industrial control cabinets. | Select when ambient temperature stays ≤85°C and tighter initial offset is prioritized over extended temp qualification. |
| LT1674CS#PBF | 2µA max supply current; decompensated (AV ≥ 5 required); 12kHz GBW vs LT1496's 2.7kHz; 550µV VOS max. | Better for AC-coupled, higher-speed micropower apps (e.g., audio preamp), but requires external compensation and lacks Over-The-Top. | Choose when bandwidth >2kHz is needed and Over-The-Top operation is unnecessary; verify stability with gain-setting resistors. |
Compared with LT1496IS#PBF, the LT1496HS#PBF trades slightly higher offset voltage for guaranteed 125°C operation and Over-The-Top robustness; versus LT1674CS#PBF, it sacrifices bandwidth and gain flexibility to deliver true rail-to-rail I/O and sub-2µA quiescent current without external compensation.
Availability
LT1496HS#PBF is available at Aetrix Electronics and suitable for battery-powered sensor nodes, industrial process monitors, high-voltage battery stack monitors, and medical wearable front-ends requiring stable component supply across extended temperature ranges.
Supply support for LT1496HS#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 acquired Linear Technology in 2017 and maintains full product support, manufacturing, and qualification for legacy Linear parts including the LT1496HS#PBF.
The LT1496 belongs to Linear's Over-The-Top precision op amp family, designed specifically for ultra-low-power, high-accuracy signal conditioning in harsh environments where supply headroom is limited and input voltages may exceed rail limits.
FAQ
What is the maximum supply voltage rating for the LT1496HS#PBF?
The LT1496HS#PBF has a total supply voltage rating of 36V (V+ to V–). Absolute maximum ratings specify differential input voltage up to 36V and continuous output short-circuit duration. Operation is characterized from 2.2V to ±15V supplies, with guaranteed performance across its full 36V range.
Does the LT1496HS#PBF support true rail-to-rail input operation?
Yes - the LT1496HS#PBF supports rail-to-rail input common-mode range from 0.2V below V– to at least 36V above V–, including operation above V+ (Over-The-Top™). At 25°C, inputs function up to V+ + 0.5V; at 125°C, minimum Over-The-Top margin is 0.5V above V+ per datasheet Section "LT1494H/LT1495H/LT1496H ELECTRICAL CHARACTERISTICS".
Can the LT1496HS#PBF be used in single-supply configurations?
Yes - the LT1496HS#PBF is explicitly designed for single-supply operation down to 2.2V. Its input common-mode range extends to –0.3V (below ground) and up to 36V, and its output swings within 35mV of both rails at light load, making it ideal for 3.3V or 5V systems without level-shifting circuitry.
What is the guaranteed input offset voltage drift over temperature for the LT1496HS#PBF?
The LT1496HS#PBF has a guaranteed input offset voltage drift of ≤2 µV/°C over the full –40°C to +125°C range (typical 0.4 µV/°C). This value is specified in the "LT1494H/LT1495H/LT1496H ELECTRICAL CHARACTERISTICS" table under parameter VOS TC, with "G" denoting –40°C ≤ TA ≤ 125°C applicability.
Is the LT1496HS#PBF pin-compatible with other members of the LT149x family?
Yes - the LT1496HS#PBF uses the standard 14-pin SO (S package) quad op amp pinout shared with LT1496CN, LT1496IN, and LT1496CS variants. All LT1496 versions share identical pin functions and electrical connections; only temperature grade and packaging differ between part numbers.
LT1496HS#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.001V/µs
- Gain Bandwidth Product:
- 2.7 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 250 pA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 1µA (x4 Channels)
- Current - Output / Channel:
- 1.5 mA
- Voltage - Supply Span (Min):
- 2.2 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
LT1496HS#PBF FAQ
1.How can I place an order for LT1496HS#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1496HS#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 LT1496HS#PBF reliable?
The price and inventory of LT1496HS#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1496HS#PBF is usually 5 days.
3.What payment methods are accepted for LT1496HS#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1496HS#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1496HS#PBF?
LT1496HS#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1496HS#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 LT1496HS#PBF?
For technical support, including LT1496HS#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1496HS#PBF requirements.
6.How does Aetrix verify that LT1496HS#PBF is sourced from the original manufacturer or authorized distributors?
All LT1496HS#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 LT1496HS#PBF meets industry standards.
7.What is the process for return or replacement of LT1496HS#PBF?
All LT1496HS#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1496HS#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 LT1496HS#PBF part is unused and in its original packaging.
Return procedure for LT1496HS#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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