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Analog Devices Inc. LTC6240HVHS5#TRMPBF
- Part No.:
- LTC6240HVHS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6240HVHS5#TRMPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,046
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Product details
Overview
LTC6240HVHS5#TRMPBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail output, low-noise CMOS operational amplifier optimized for high-precision, high-impedance signal conditioning in ±5V and wide-supply industrial systems. It delivers 18MHz gain bandwidth, 10V/μs slew rate, 550nVP-P (0.1Hz–10Hz) input noise, ≤1pA max input bias current, and operates across –40°C to +125°C - enabling use in photodiode amplifiers, medical sensor front-ends, and precision instrumentation.
For engineers reviewing the LTC6240HVHS5#TRMPBF datasheet, LTC6240HVHS5#TRMPBF pinout, LTC6240HVHS5#TRMPBF application, or LTC6240HVHS5#TRMPBF equivalent, key selection criteria include guaranteed 1pA max IB at H-grade temperature, HV-series ±5V supply support, SOT-23-5 package compatibility with guard ring layout, and sub-125μV max VOS over full operating range.
Technical Context
The LTC6240HVHS5#TRMPBF employs a proprietary CMOS input stage with ultra-low gate leakage, enabling 1pA max input bias current and 3.5pF differential input capacitance - critical for stability with high-Z sources like piezoelectric sensors or photodiodes. Its unity-gain-stable architecture supports direct connection to ADC drivers without external compensation.
It features an output stage capable of swinging within 30mV of both rails under 5mA load, and a common-mode input range extending to the negative supply rail. The HV variant guarantees operation up to ±5.5V total supply (11V), with PSRR >85dB and CMRR >83dB over –40°C to +125°C - making it suitable for noisy industrial power domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 18MHz - enables stable closed-loop gain ≥10 at 1.8MHz or ≥2 at 9MHz for anti-aliasing filter interfaces. |
| Input Bias Current | ≤1pA max (–40°C to +125°C) - preserves signal integrity in >1GΩ source impedance applications like pH electrodes. |
| 0.1Hz–10Hz Noise | 550nVP-P - ensures <1μV drift in DC-coupled medical ECG/EEG front-ends over 10-second acquisition windows. |
| Input Offset Voltage | ≤175μV max (–40°C to +125°C) - reduces calibration burden in 16-bit data acquisition systems with ±2.5V input range. |
| Slew Rate | 10V/μs - supports 3VP-P full-power bandwidth of 1.06MHz for fast pulse amplification in time-of-flight sensing. |
| Supply Range | ±2.5V to ±5.5V (or 2.8V to 11V single-ended) - interoperates with legacy ±5V analog subsystems and modern low-voltage mixed-signal SoCs. |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive, industrial motor control feedback, and downhole oil/gas electronics. |
Pinout & Package
Package: 5-lead TSOT-23 (ThinSOT™), 1mm profile, lead-free, tape-and-reel. Thermal resistance θJA = 250°C/W. Underside pad not connected; no thermal pad requirement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Rail-to-rail swing (within 30mV of V+ or V– at 5mA); drives 1kΩ loads directly into SAR ADC reference buffers. |
| 2 (V–) | Negative supply rail | Reference for input common-mode range (extends to V–); connects to ground or negative supply; must be decoupled locally. |
| 3 (+IN) | Non-inverting input | High-impedance CMOS node (RIN = 1012Ω); requires guard ring routing to minimize leakage-induced offset drift. |
| 4 (–IN) | Inverting input | Differential input node; matched to +IN for <400μV channel-to-channel VOS match in dual/quad variants (not applicable here). |
| 5 (V+) | Positive supply rail | Accepts 2.8V to 6V single-ended or ±2.5V to ±5.5V split supplies; PSRR >85dB minimizes supply ripple coupling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low input bias current | ≤1pA max over –40°C to +125°C - eliminates guard ring design compromises in femtoampere-level transducer interfaces. |
| Low 1/f noise | 550nVP-P (0.1Hz–10Hz) - enables stable DC measurements in high-resolution weigh scales and strain gauge bridges. |
| Rail-to-rail output | Swings to within 30mV of V+ and V– at 5mA - maximizes dynamic range in 3.3V or ±5V data acquisition systems with limited headroom. |
| HV supply rating | Guaranteed operation up to ±5.5V - supports legacy industrial PLC I/O modules and isolated sensor signal chains without level-shifting. |
| H-grade temperature range | –40°C to +125°C operation with full parametric spec - eliminates derating calculations for automotive cabin controllers and power converter feedback loops. |
Applications
| Photodiode Amplifier | Medical Sensor Front-End |
|---|---|
Use Scenario: Amplifying weak current from silicon photodiodes in spectrophotometers and pulse oximeters. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) with ultra-low IB and low VNOISE to preserve SNR in sub-nA photocurrents. Use Value: 1pA max IB prevents diode leakage from dominating signal path; 550nVP-P noise ensures >100dB dynamic range at 10Hz bandwidth. |
Use Scenario: Conditioning bio-potential signals (ECG, EEG) in portable diagnostic devices. IC Role / Device Role / Timing Role: High-input-impedance, low-drift buffer and gain stage before 24-bit delta-sigma ADC. Use Value: ≤175μV VOS max and 2.5μV/°C drift minimize baseline wander; rail-to-rail output fully utilizes ADC reference span. |
| Industrial Process Monitoring | High-Voltage Sensor Interface |
Use Scenario: Signal conditioning for RTD, thermocouple, or strain gauge bridges in factory automation systems. IC Role / Device Role / Timing Role: Precision instrumentation amplifier front-end with low thermal EMF and high CMRR. Use Value: 83dB CMRR at ±5V supply rejects common-mode noise from 4–20mA loop-powered transmitters and motor drives. |
Use Scenario: Isolated voltage sensing in battery management systems (BMS) and HV inverters (e.g., EV traction inverters). IC Role / Device Role / Timing Role: Level-shifting buffer between isolated ADC inputs and ±5V domain measurement circuits. Use Value: ±5.5V absolute max supply and 11V total supply rating allow direct interface with isolated DC-DC bias rails without external regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, high-precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4522-1ARZ | Zero-drift architecture; 0.3μV max VOS, but higher 1/f noise (1.5μVP-P) and lower GBW (3MHz). | Better DC accuracy for ultra-low-frequency (<0.1Hz) applications; unsuitable for >1MHz signal paths. | Select when VOS drift dominates system error budget over temperature and time, not bandwidth or noise. |
| OPA141AIDBVR | FET-input; 10pA max IB, 10MHz GBW, 11nV/√Hz noise at 1kHz - higher noise and bias than LTC6240HVHS5#TRMPBF. | Lower cost; adequate for general-purpose precision amps where 1pA IB is not required. | Select when budget constraints outweigh need for femtoampere-level input leakage or sub-600nVP-P 0.1–10Hz noise. |
Compared with ADA4522-1ARZ and OPA141AIDBVR, the LTC6240HVHS5#TRMPBF uniquely balances ultra-low input bias current (≤1pA), low 1/f noise (550nVP-P), and 18MHz bandwidth - making it optimal for high-Z, wideband, high-temperature sensor interfaces where all three parameters are simultaneously critical.
Availability
LTC6240HVHS5#TRMPBF is available at Aetrix Electronics and suitable for photodiode amplification, medical biosignal acquisition, and industrial process monitoring requiring stable component supply across extended temperature and voltage ranges.
Supply support for LTC6240HVHS5#TRMPBF 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 LTC6240 family was designed specifically for high-impedance, low-noise, wide-supply precision amplification - targeting applications where traditional CMOS op amps fail due to excessive input bias current or 1/f noise.
FAQ
What is the maximum input bias current specification for LTC6240HVHS5#TRMPBF over its full operating temperature range?
The LTC6240HVHS5#TRMPBF guarantees ≤1pA maximum input bias current across –40°C to +125°C. This value is explicitly specified in the "ELECTRICAL CHARACTERISTICS" table for the LTC6240H/LTC6240HVH grade under Note 7, confirming 100% testing for the S8 package and guaranteed performance for the S5 variant including LTC6240HVHS5#TRMPBF.
Does LTC6240HVHS5#TRMPBF support true ±5V operation, and what is its absolute maximum supply rating?
Yes, LTC6240HVHS5#TRMPBF supports full operation at ±5V (10V total). Its absolute maximum total supply voltage is 12V, meaning it can withstand ±5.5V (11V) continuously - confirmed in the "ABSOLUTE MAXIMUM RATINGS" section and reinforced by electrical specs tested at VS = ±5V across the H-grade temperature range.
What is the guaranteed input offset voltage for LTC6240HVHS5#TRMPBF at –40°C to +125°C?
The LTC6240HVHS5#TRMPBF has a guaranteed maximum input offset voltage of 175μV over –40°C to +125°C, as documented in the "ELECTRICAL CHARACTERISTICS" table for the LTC6240H/LTC6240HVH grade (page 10, row VOS, column "l"). This applies to both 3V and 5V single-supply configurations and ±5V dual-supply operation.
Is the LTC6240HVHS5#TRMPBF unity-gain stable, and what is its phase margin at 18MHz?
Yes, the LTC6240HVHS5#TRMPBF is unity-gain stable. Its typical phase margin is 60° at 18MHz with CL = 5pF and RL = 1kΩ, as shown in Figure G13 ("Gain Bandwidth and Phase Margin vs Temperature") - ensuring robust stability in low-gain configurations such as voltage followers and TIA feedback networks without external compensation.
Can LTC6240HVHS5#TRMPBF drive a 1kΩ load while maintaining rail-to-rail output swing?
Yes. At ISOURCE/ISINK = 5mA, the LTC6240HVHS5#TRMPBF outputs swing to within 325mV of either rail (VOL/VOH ≤ 325mV), per the "ELECTRICAL CHARACTERISTICS" table on page 6. With a 1kΩ load drawing 2.5mA at ±2.5V, the swing remains within 190mV - fully preserving rail-to-rail functionality for most precision ADC driver applications.
LTC6240HVHS5#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 10V/µs
- Gain Bandwidth Product:
- 18 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.5 pA
- Voltage - Input Offset:
- 60 µV
- Current - Supply:
- 2.7mA
- Current - Output / Channel:
- 35 mA
- Voltage - Supply Span (Min):
- 2.8 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LTC6240HVHS5#TRMPBF FAQ
1.How can I place an order for LTC6240HVHS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6240HVHS5#TRMPBF 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 LTC6240HVHS5#TRMPBF reliable?
The price and inventory of LTC6240HVHS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6240HVHS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6240HVHS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6240HVHS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6240HVHS5#TRMPBF?
LTC6240HVHS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6240HVHS5#TRMPBF 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 LTC6240HVHS5#TRMPBF?
For technical support, including LTC6240HVHS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6240HVHS5#TRMPBF requirements.
6.How does Aetrix verify that LTC6240HVHS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6240HVHS5#TRMPBF 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 LTC6240HVHS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6240HVHS5#TRMPBF?
All LTC6240HVHS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6240HVHS5#TRMPBF, 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 LTC6240HVHS5#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6240HVHS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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