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Analog Devices Inc. LTC6240HVCS5#TRPBF
- Part No.:
- LTC6240HVCS5#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LTC6240HVCS5#TRPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:9,858
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Product details
Overview
LTC6240HVCS5#TRPBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail output, low-noise CMOS operational amplifier optimized for high-impedance sensor interfacing and precision signal conditioning. It delivers 18MHz gain bandwidth, 10V/μs slew rate, 550nVP-P (0.1Hz–10Hz) input noise, ≤1pA max input bias current at 25°C, and operates from ±2.5V to ±5.5V supplies - making it ideal for photodiode amplifiers and medical instrumentation front-ends.
For engineers reviewing the LTC6240HVCS5#TRPBF datasheet, LTC6240HVCS5#TRPBF pinout, LTC6240HVCS5#TRPBF application, or LTC6240HVCS5#TRPBF equivalent, key selection criteria include guaranteed 1pA max input bias current, HV-grade ±5.5V supply capability, 5-pin TSOT-23 package constraints, and verified 125°C junction temperature operation under full-spec conditions.
Technical Context
The LTC6240HVCS5#TRPBF employs a proprietary CMOS input stage with guarded input traces and low-input-capacitance design (3.5pF differential, 3pF common-mode), enabling stable operation with high-source-impedance transducers. Its unity-gain-stable architecture supports direct use in transimpedance configurations without external compensation.
It features an output stage capable of swinging within 30mV of either rail under light load, with guaranteed rail-to-rail output performance across its full –40°C to 125°C operating range when powered from ±5V supplies. Common-mode input range extends to the negative rail, and CMRR exceeds 83dB over –5V to +3.5V VCM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 18MHz - enables stable closed-loop operation up to ~1.06MHz full-power bandwidth with 3VP-P output into 1kΩ. |
| Input Bias Current | ≤1pA max (25°C), ≤2.5nA max (–40°C to 125°C) - preserves signal integrity in >1GΩ source impedance circuits like photodiode amps. |
| 0.1Hz–10Hz Noise | 550nVP-P - critical for DC-coupled, low-frequency precision measurement systems requiring minimal baseline drift. |
| Input Voltage Noise Density | 7–10nV/√Hz @ 1kHz - ensures low-noise amplification in wideband sensor signal chains. |
| Supply Range | ±2.5V to ±5.5V (12V total) - supports bipolar operation in industrial and medical systems requiring headroom beyond standard 5V rails. |
| Output Swing | Within 30mV of rails (no load), ≤325mV drop @ 5mA sink/source - maximizes dynamic range in low-voltage, rail-to-rail signal paths. |
| Offset Voltage | ≤250μV max (–40°C to 85°C), ≤450μV max (–40°C to 125°C) - reduces calibration burden in untrimmed analog front-ends. |
Pinout & Package
Package: 5-lead plastic TSOT-23 (ThinSOT™), 1mm height, lead-free, tape-and-reel. Thermal resistance θJA = 250°C/W. Underside pad not connected; no thermal pad requirement.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Capable of rail-to-rail swing; drives loads ≥1kΩ directly; requires local bypass cap (0.1μF) near V+ and V– pins. |
| 2 (V–) | Negative supply terminal | Reference for internal biasing; connects to system ground or negative rail; must be decoupled. |
| 3 (+IN) | Non-inverting input | High-impedance CMOS node (≥1TΩ); sensitive to leakage - guard ring recommended on PCB. |
| 4 (–IN) | Inverting input | Matches +IN in bias current and capacitance; used for feedback in transimpedance or inverting configurations. |
| 5 (V+) | Positive supply terminal | Accepts up to +5.5V relative to V–; requires low-ESR ceramic bypass capacitor adjacent to pin. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low input bias current | Guaranteed ≤1pA max at 25°C - enables accurate amplification of picoamp-level photocurrents without significant error. |
| Rail-to-rail output stage | Swings within 30mV of V+ and V– rails - preserves maximum signal swing in low-supply applications (e.g., ±2.5V). |
| Low 0.1Hz–10Hz noise | 550nVP-P - minimizes baseline wander in ECG, EEG, and other bio-signal acquisition systems. |
| HV supply rating | Operates up to ±5.5V total supply - supports legacy ±5V systems and higher-headroom industrial sensors without level-shifting. |
| Specified H-grade operation | –40°C to 125°C ambient range with full parameter guarantees - suitable for under-hood automotive or industrial control environments. |
Applications
| Photodiode Amplifier | Medical Front-End |
|---|---|
Use Scenario: Converting weak photocurrents (pA–nA) from silicon photodiodes into measurable voltage signals in optical smoke detectors or spectrophotometers. IC Role / Device Role: Transimpedance amplifier with guarded input and low-bias-current CMOS stage. Use Value: ≤1pA input bias current prevents signal loss; 550nVP-P low-frequency noise ensures stable DC baseline for integration over seconds. | Use Scenario: Amplifying microvolt-level biopotential signals (e.g., ECG leads) in portable patient monitors with battery-powered ±5V rails. IC Role / Device Role: First-stage instrumentation amplifier input buffer with rail-to-rail output swing. Use Value: Rail-to-rail output maximizes ADC utilization; 125°C-rated operation supports sealed, fanless enclosures in clinical environments. |
| High-Z Transducer Interface | Low-Noise Signal Chain |
Use Scenario: Conditioning output from piezoresistive pressure sensors or MEMS accelerometers with GΩ-level source impedances in test equipment. IC Role / Device Role: High-impedance voltage follower or non-inverting amplifier with guarded layout support. Use Value: 3.5pF input capacitance and ≤1pA bias current prevent resonance and settling errors in high-Z networks. | Use Scenario: Building multi-stage analog signal paths in data acquisition systems requiring <1μV offset drift and sub-10nV/√Hz noise floor. IC Role / Device Role: Low-noise gain stage preceding ADC driver or filter section. Use Value: 18MHz GBW allows clean 1MHz signal amplification; PSRR >85dB rejects supply ripple from switching regulators. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, low-input-bias op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4530-1ARMZ-R7 | 0.1fA typical IB, 20pA max (–40°C to 125°C); 20MHz GBW; 5.5V max single-supply only (no ±5V support) | Superior for femtoamp-level current measurement; unsuitable for ±5V bipolar systems or where HV supply compatibility is required. | Select only if ultra-low bias current dominates over supply flexibility and cost. |
| OPA141AIDBVR | 1pA max IB (25°C), but only rated to 125°C with derated specs; 10MHz GBW; supports ±18V supplies but higher quiescent current (1.8mA vs 2.7mA). | Better for high-voltage industrial sensing; less optimal for space-constrained, low-noise, ±5V medical designs due to lower speed and larger package. | Prefer when wider supply range outweighs need for 18MHz bandwidth and compact TSOT-23 footprint. |
Compared with ADA4530-1ARMZ-R7 and OPA141AIDBVR, the LTC6240HVCS5#TRPBF uniquely balances ±5.5V operation, 18MHz bandwidth, 1pA max bias current guarantee at 25°C, and 5-pin TSOT-23 size - making it the most integrated solution for compact, bipolar, low-noise front-ends.
Availability
LTC6240HVCS5#TRPBF is available at Aetrix Electronics and suitable for photodiode amplifiers, medical instrumentation front-ends, and high-impedance transducer interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC6240HVCS5#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, 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 LTC6240HV series belongs to ADI's precision op amp product line, engineered specifically for ultra-low-input-bias, low-noise, rail-to-rail output applications in demanding sensor signal conditioning and medical instrumentation environments.
FAQ
What is the maximum guaranteed input bias current for LTC6240HVCS5#TRPBF over temperature?
The LTC6240HVCS5#TRPBF guarantees ≤1pA maximum input bias current at 25°C. Over the full –40°C to 125°C operating range, the datasheet specifies ≤2.5nA max (H-grade, HV version). This is confirmed in Electrical Characteristics tables for LTC6240HVH/LTC6240HVHS5 under "IB Input Bias Current" with conditions TA = –40°C to 125°C, VS = ±5V.
Does LTC6240HVCS5#TRPBF support true ±5V operation?
Yes. The LTC6240HVCS5#TRPBF is explicitly rated for total supply voltages up to 12V (±5.5V), with full electrical specifications guaranteed at ±5V (VS = ±5V, VCM = 0V). Absolute Maximum Ratings confirm V+ to V– = 12V, and HV-specific characteristics tables validate performance including GBW = 13–18MHz, SR = 5.5–10V/μs, and PSRR >85dB under ±5V conditions.
What is the input voltage range for LTC6240HVCS5#TRPBF when operated at ±5V?
When powered from ±5V supplies, the LTC6240HVCS5#TRPBF guarantees an input common-mode voltage range of –5V to +3.5V (relative to V–), as specified in the HV-grade Electrical Characteristics table (page 9, VCM parameter, VS = ±5V). This allows the –IN and +IN pins to accept signals extending to the negative rail - critical for single-supply-compatible bipolar signal handling.
Is LTC6240HVCS5#TRPBF pin-compatible with the standard LTC6240CS5#TRPBF?
Yes. Both LTC6240HVCS5#TRPBF and LTC6240CS5#TRPBF use identical 5-lead TSOT-23 (S5) packages with identical pinout (OUT, V–, +IN, –IN, V+). The HV variant maintains mechanical and layout compatibility while extending supply voltage rating and specifying performance under ±5V operation - enabling drop-in replacement where higher supply headroom is needed.
What is the typical supply current per amplifier for LTC6240HVCS5#TRPBF at ±5V and 25°C?
At ±5V supply and TA = 25°C, the LTC6240HVCS5#TRPBF draws 3.3mA typical supply current, as stated in the HV-grade Electrical Characteristics table (page 9, IS parameter, VS = ±5V, TYP = 3.3mA). This value increases slightly to 3.8mA max over –40°C to 85°C and remains fully specified for H-grade (–40°C to 125°C) operation.
LTC6240HVCS5#TRPBF 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:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LTC6240HVCS5#TRPBF FAQ
1.How can I place an order for LTC6240HVCS5#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6240HVCS5#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 LTC6240HVCS5#TRPBF reliable?
The price and inventory of LTC6240HVCS5#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6240HVCS5#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6240HVCS5#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6240HVCS5#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6240HVCS5#TRPBF?
LTC6240HVCS5#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6240HVCS5#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 LTC6240HVCS5#TRPBF?
For technical support, including LTC6240HVCS5#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6240HVCS5#TRPBF requirements.
6.How does Aetrix verify that LTC6240HVCS5#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6240HVCS5#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 LTC6240HVCS5#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6240HVCS5#TRPBF?
All LTC6240HVCS5#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6240HVCS5#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 LTC6240HVCS5#TRPBF part is unused and in its original packaging.
Return procedure for LTC6240HVCS5#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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