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Analog Devices Inc. LT6236CS6#TRMPBF
- Part No.:
- LT6236CS6#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LT6236CS6#TRMPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,373
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Product details
Overview
LT6236CS6#TRMPBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail output, low-noise operational amplifier optimized as a high-speed SAR ADC driver. It delivers 1.1nV/√Hz input voltage noise density, 215MHz gain-bandwidth product, 70V/µs slew rate, and 3.5mA supply current per amplifier, operating from 3V to 12.6V supplies. Its shutdown feature reduces quiescent current to ≤10µA, enabling power-sensitive precision data acquisition systems.
For engineers reviewing the LT6236CS6#TRMPBF datasheet, LT6236CS6#TRMPBF pinout, LT6236CS6#TRMPBF application, or LT6236CS6#TRMPBF equivalent, key selection criteria include its 570ns 18-bit settling time to 2VP-P, ±50mV rail-to-rail output swing at 3.3V/5V, and guaranteed performance over –40°C to 125°C for industrial and automotive signal conditioning.
Technical Context
The LT6236CS6#TRMPBF employs a proprietary high-speed bipolar input stage to achieve ultra-low voltage noise while maintaining low input bias current (≤10µA) and wide supply range compatibility. Its internal architecture supports fast settling with minimal distortion (THD = –116.8dB at 2kHz), making it suitable for driving 16- and 18-bit SAR ADCs like the LTC2389-18 without external buffering.
It integrates an ENABLE pin with defined logic thresholds (VH = V+ – 0.35V, VL ≤ 0.3V) and controlled turn-on/off timing (tON = 800ns, tOFF = 41µs), allowing precise power gating in multi-stage analog front-ends. The amplifier maintains stable operation into capacitive loads up to 100pF without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Noise Density | 1.1nV/√Hz at 10kHz - enables high-resolution measurement of low-amplitude signals without adding significant noise floor |
| Gain-Bandwidth | 215MHz - supports closed-loop gains ≥10 at >20MHz, critical for wideband active filter and ADC buffer designs |
| Slew Rate | 70V/µs - ensures faithful reproduction of fast transient signals up to ~11MHz full-power bandwidth |
| Settling Time | 570ns to 18-bit (4ppm) for 2VP-P step - meets timing budgets for 2.5Msps SAR ADCs like LTC2389-18 |
| Rail-to-Rail Output | Swings within 50mV of V+ and V– at 3.3V/5V - maximizes dynamic range in low-voltage precision systems |
| Supply Current | 3.5mA per amplifier (active), ≤10µA (shutdown) - balances speed and power for battery or thermally constrained applications |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive, industrial control, and harsh-environment instrumentation |
Pinout & Package
LT6236CS6#TRMPBF is housed in a 6-lead TSOT-23 (S6) package, 2.9mm × 1.6mm × 1.0mm profile, with exposed pad optional for thermal enhancement. Pin 1 is marked by dot; pin numbering follows standard TSOT-23 top-view convention.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive Supply | Accepts 3V to 12.6V; powers internal circuitry and sets upper output swing limit |
| ENABLE | Shutdown Control Input | Active-low logic: ≤0.3V disables amplifier (IQ ≤ 10µA); ≥V+ – 0.35V enables normal operation |
| –IN | Inverting Input | Differential input node; high impedance (6.5MΩ common-mode) with low input bias current |
| OUT | Amplifier Output | Capable of sourcing/sinking ≥20mA; rail-to-rail swing supports maximum signal utilization |
| V– | Negative Supply | Ground or negative rail (e.g., –2V); defines lower output swing limit and reference for common-mode range |
| +IN | Non-inverting Input | Differential input node; matched to –IN for low offset voltage (350µV max) and drift (0.5µV/°C typ) |
Key Features
| Feature | Design Value |
|---|---|
| Low Noise + Low Power Coexistence | 1.1nV/√Hz noise at only 3.5mA supply current - rare combination enabling high-fidelity, energy-efficient signal chains |
| Fast 18-Bit Settling | 570ns to 4ppm accuracy on 2VP-P step - eliminates need for post-amplifier sample-and-hold in high-speed data acquisition |
| Wide Supply Range Operation | Functional from 3V single-ended to ±5V dual supplies - simplifies system-level power architecture across diverse platforms |
| Robust Rail-to-Rail Output | 50mV headroom to both rails at 3.3V/5V - preserves >97% of theoretical dynamic range in low-voltage precision applications |
| Controlled Shutdown Interface | Guaranteed logic thresholds and 41µs turn-off delay - enables deterministic power sequencing in multi-IC systems |
Applications
| High-Speed Precision Data Acquisition | Low-Voltage Industrial Sensor Conditioning |
|---|---|
Use Scenario: Driving the LTC2389-18 18-bit, 2.5Msps SAR ADC in a portable test instrument with 3.3V supply. IC Role / Device Role / Timing Role: Buffer and level-shift analog sensor output to match ADC input range while meeting strict 570ns settling requirement. Use Value: Enables full 18-bit ENOB without external calibration or oversampling, reducing BOM count and firmware complexity. | Use Scenario: Amplifying low-level thermocouple or strain gauge signals in a 5V-powered PLC I/O module operating at 125°C ambient. IC Role / Device Role / Timing Role: First-stage gain and noise filtering before digitization; operates reliably across full industrial temperature range. Use Value: 1.1nV/√Hz noise and –40°C to 125°C qualification ensure consistent measurement accuracy despite thermal stress. |
| Low-Power Portable Instrumentation | Automotive Battery Monitoring |
Use Scenario: Signal conditioning for a handheld multimeter using coin-cell batteries and 3V supply. IC Role / Device Role / Timing Role: Low-noise, low-quiescent-current amplifier with ENABLE-controlled sleep mode between measurements. Use Value: 10µA shutdown current extends battery life; rail-to-rail output maximizes resolution from limited supply headroom. | Use Scenario: Isolated voltage sensing of 12V lead-acid or 48V Li-ion battery stacks in vehicle ECU modules. IC Role / Device Role / Timing Role: High-PSRR (115dB) differential amplifier rejecting switching noise from adjacent DC/DC converters. Use Value: 90dB CMRR and 115dB PSRR suppress common-mode transients and supply ripple, ensuring accurate SOC estimation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4898-1ARMZ | Lower noise (0.9nV/√Hz), higher supply current (10.5mA), no shutdown, MSOP-8 package | Better SNR for ultra-low-noise lab equipment; unsuitable for power-constrained or space-limited designs | Select when ultimate noise performance outweighs power and size constraints; verify layout compatibility with larger MSOP-8 footprint |
| OPA837IDBVR | Higher GBW (310MHz), higher noise (2.1nV/√Hz), no shutdown, SOT-23-6 same package | Preferred for >50MHz closed-loop bandwidth needs; trade-off is 90% higher input noise | Choose for RF or video signal paths requiring wider bandwidth; avoid in precision DC-coupled sensor interfaces |
Compared with LT6236CS6#TRMPBF, ADA4898-1ARMZ offers superior noise but triples supply current and lacks shutdown, while OPA837IDBVR matches the TSOT-23 package and adds bandwidth at the cost of noise-making LT6236CS6#TRMPBF the optimal balance for 16–18-bit SAR ADC drivers in thermally and power-constrained systems.
Availability
LT6236CS6#TRMPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, industrial sensor signal conditioning, and automotive battery monitoring requiring stable component supply across extended temperature ranges.
Supply support for LT6236CS6#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 LT6236 belongs to ADI's precision high-speed op amp product line, designed specifically for demanding signal chain applications where low noise, fast settling, and rail-to-rail output are essential-especially SAR ADC driving and low-voltage instrumentation.
FAQ
What is the maximum supply voltage rating for LT6236CS6#TRMPBF?
The absolute maximum total supply voltage (V+ to V–) for LT6236CS6#TRMPBF is 12.6V. Exceeding this may cause permanent damage. The device is fully specified from 3V to 12.6V, including single-supply (3.3V, 5V) and dual-supply (±2.5V, ±5V) configurations, with guaranteed operation across –40°C to 125°C.
Does LT6236CS6#TRMPBF support true rail-to-rail input common-mode range?
No, LT6236CS6#TRMPBF features rail-to-rail *output* swing but not rail-to-rail input. Its input common-mode voltage range is specified as –3V to 4V with ±5V supplies and 1.15V to 2.65V with 3.3V supplies, guaranteed by CMRR testing. For true rail-to-rail input capability, consider alternatives like the LTC6228.
How does the ENABLE pin function in LT6236CS6#TRMPBF?
The ENABLE pin on LT6236CS6#TRMPBF is active-low: pulling it ≤0.3V disables the amplifier, reducing supply current to ≤10µA; applying ≥V+ – 0.35V enables normal operation. Turn-on time is 800ns, turn-off time is 41µs (RL = 1kΩ), and leakage remains <10µA during shutdown-enabling precise power gating in battery-operated systems.
Can LT6236CS6#TRMPBF drive heavy capacitive loads without oscillation?
LT6236CS6#TRMPBF is stable with capacitive loads up to 100pF without external compensation, as verified in typical performance curves. For loads >100pF, a series resistor (e.g., 10–50Ω) between amplifier output and load is recommended to maintain phase margin. Its output impedance remains low (<1Ω) below 100kHz, supporting direct connection to ADC input capacitance.
What is the guaranteed settling time specification for LT6236CS6#TRMPBF at 18-bit accuracy?
LT6236CS6#TRMPBF guarantees 570ns settling time to 4ppm (18-bit) accuracy for a 2VP-P output step under standard conditions (VS = 5V, AV = 1). This is measured with 0.0015% error band and validated across temperature, making it suitable for driving 2.5Msps SAR ADCs like the LTC2389-18 without additional settling overhead.
LT6236CS6#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 70V/µs
- Gain Bandwidth Product:
- 215 MHz
- -3db Bandwidth:
- 90 MHz
- Current - Input Bias:
- 5 µA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 3.3mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 12.6 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-6
LT6236CS6#TRMPBF FAQ
1.How can I place an order for LT6236CS6#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6236CS6#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 LT6236CS6#TRMPBF reliable?
The price and inventory of LT6236CS6#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6236CS6#TRMPBF is usually 5 days.
3.What payment methods are accepted for LT6236CS6#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6236CS6#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6236CS6#TRMPBF?
LT6236CS6#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6236CS6#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 LT6236CS6#TRMPBF?
For technical support, including LT6236CS6#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6236CS6#TRMPBF requirements.
6.How does Aetrix verify that LT6236CS6#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LT6236CS6#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 LT6236CS6#TRMPBF meets industry standards.
7.What is the process for return or replacement of LT6236CS6#TRMPBF?
All LT6236CS6#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6236CS6#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 LT6236CS6#TRMPBF part is unused and in its original packaging.
Return procedure for LT6236CS6#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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