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Analog Devices Inc. LT6236CS6#TRPBF
- Part No.:
- LT6236CS6#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LT6236CS6#TRPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:3,101
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Product details
Overview
LT6236CS6#TRPBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail output operational amplifier optimized as a low-noise, 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, making it ideal for precision data acquisition in portable or power-constrained instrumentation.
For engineers reviewing the LT6236CS6#TRPBF datasheet, LT6236CS6#TRPBF pinout, LT6236CS6#TRPBF application, or LT6236CS6#TRPBF equivalent, key selection criteria include its 570ns settling time to 18-bit accuracy (2VP-P), ±50mV rail-to-rail output swing at 20mA load, and guaranteed performance over 0°C to 70°C - critical for high-resolution ADC interfacing, active filter design, and low-power signal conditioning.
Technical Context
The LT6236CS6#TRPBF employs a proprietary bipolar complementary input stage enabling ultra-low voltage noise without sacrificing bandwidth or power efficiency. Its internal architecture supports stable operation with capacitive loads up to 100pF and maintains phase margin >45° across supply voltages from 3V to 12.6V.
It features an ENABLE pin with TTL-compatible thresholds (VIL ≤ 0.3V, VIH ≥ V+ – 0.35V), enabling fast turn-on (800ns) and controlled turn-off (41µs), and integrates robust ESD protection on all pins per JEDEC JS-001 Class 2 (±2kV HBM).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Noise Density | 1.1nV/√Hz at 10kHz - enables sub-18-bit SNR preservation when driving high-resolution SAR ADCs |
| Gain-Bandwidth | 215MHz - supports closed-loop gains ≥10 at >20MHz signal bandwidth |
| Slew Rate | 70V/µs - ensures distortion-free amplification of fast transient signals up to ~11MHz full-power bandwidth |
| Supply Current | 3.5mA per amplifier - balances speed and power for battery-operated precision front-ends |
| Output Swing | Within 50mV of rails at 20mA - maximizes dynamic range in low-voltage (3.3V/5V) systems |
| Settling Time | 570ns to 18-bit (4ppm) - meets timing budgets for 2.5Msps+ SAR converters like LTC2389-18 |
| Input Offset | 350µV max - minimizes DC error in precision gain stages and sensor interfaces |
Pinout & Package
LT6236CS6#TRPBF is housed in a 6-lead TSOT-23 package (1.6mm × 2.9mm × 1.0mm height), optimized for space-constrained PCB layouts and thermal performance (θJA = 192°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive Supply Rail | Accepts 3V to 12.6V; decoupling capacitor required within 1cm for stability |
| ENABLE | Shutdown Control Input | Active-low logic; pulls supply current to ≤10µA when high (≥V+–0.35V) |
| –IN | Inverting Input | Differential pair input node; 2.9pF common-mode capacitance affects high-frequency CMRR |
| OUT | Amplifier Output | Rail-to-rail capable; drives 100Ω loads with <1% settling error in 570ns |
| V– | Negative Supply Rail | Supports single-supply (0V) or dual-supply (±1.5V to ±5V) operation |
| +IN | Non-Inverting Input | High-impedance node (6.5MΩ); matched to –IN within 100µV for precision differential gain |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full-scale signal headroom in 3.3V systems - eliminates level-shifting circuitry |
| Low 1.1nV/√Hz noise | Preserves ENOB >17.5 bits when driving 18-bit SAR ADCs at 2kHz input frequency |
| Integrated shutdown control | Reduces system idle power by >99.7% - essential for duty-cycled data loggers and IoT sensors |
| 70V/µs slew rate | Supports clean amplification of 10MHz square waves with <1% overshoot into 1kΩ//100pF |
| Specified from –40°C to 125°C | Validated performance across automotive under-hood and industrial ambient conditions |
Applications
| High-Speed Data Acquisition | Portable Precision Instrumentation |
|---|---|
Use Scenario: Driving the LTC2389-18 18-bit, 2.5Msps SAR ADC in a portable spectrum analyzer. IC Role / Device Role / Timing Role: Single-ended to differential driver with 570ns settling guarantee ensuring accurate sampling at full throughput. Use Value: Enables 99.7dB SNR and 117.7dB SFDR measured in reference designs - directly traceable to 1.1nV/√Hz noise and 70V/µs slew rate. | Use Scenario: Front-end amplifier in a handheld gas chromatography detector with battery-powered operation. IC Role / Device Role / Timing Role: Low-noise transimpedance stage converting picoamp-level sensor current to voltage before ADC digitization. Use Value: 3.5mA supply current + shutdown mode extends battery life >20× versus non-shutdown alternatives while maintaining 18-bit linearity. |
| Active Anti-Aliasing Filters | Medical Sensor Signal Conditioning |
Use Scenario: 5th-order elliptic low-pass filter stage preceding a 16-bit medical ADC in an EEG monitor. IC Role / Device Role / Timing Role: Unity-gain stable buffer with 215MHz GBW enabling sharp roll-off beyond 1kHz without phase-induced distortion. Use Value: Maintains group delay flatness <10ns across 0–500Hz band - critical for preserving waveform morphology in neural signals. | Use Scenario: Amplifying microvolt-level ECG signals in a wearable patch monitor with strict EMC requirements. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer with 115dB PSRR rejecting switching regulator noise. Use Value: 115dB PSRR at 100kHz suppresses DC-DC converter ripple, preventing baseline wander and false arrhythmia detection. |
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-R7 | Lower 0.9nV/√Hz noise but higher 10.5mA supply current; no shutdown function; MSOP-8 package | Better SNR in fixed-power lab equipment; unsuitable for battery duty-cycling | Select when ultimate noise performance outweighs power and board area constraints |
| OPA837IDBVR | Higher 105MHz GBW, 48V/µs slew rate, 1.8nV/√Hz noise; SOT-23-6 package; no shutdown | Lower bandwidth and higher noise limit resolution in >16-bit systems; better for cost-sensitive consumer-grade designs | Select when 105MHz bandwidth suffices and lower BOM cost is prioritized over 18-bit fidelity |
Compared with ADA4898-1ARMZ-R7 and OPA837IDBVR, the LT6236CS6#TRPBF uniquely combines 215MHz bandwidth, 1.1nV/√Hz noise, and integrated shutdown in a 6-lead TSOT-23 - making it the only option that satisfies simultaneous high-speed, high-resolution, and ultra-low-power requirements in portable precision systems.
Availability
LT6236CS6#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, portable instrumentation, active filtering, and medical sensor signal conditioning requiring stable component supply and long-term lifecycle support.
Supply support for LT6236CS6#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 acquired Linear Technology in 2017 and maintains its legacy of high-performance analog ICs with rigorous process control and application-focused design.
The LT6236 family belongs to Linear's precision high-speed op amp product line, engineered specifically for driving 16–18-bit SAR ADCs while minimizing power, noise, and layout complexity in space- and energy-constrained systems.
FAQ
What is the maximum supply voltage rating for LT6236CS6#TRPBF?
The absolute maximum total supply voltage (V+ to V–) for LT6236CS6#TRPBF is 12.6V. Operation beyond this rating risks permanent damage. The device is fully specified from 3V to 12.6V supply range, with guaranteed rail-to-rail output swing and 215MHz gain-bandwidth product across this span. Derating is recommended for continuous operation near the absolute maximum.
Does LT6236CS6#TRPBF support true single-supply operation down to 3V?
Yes, LT6236CS6#TRPBF supports true single-supply operation from 3V to 12.6V. Its input common-mode range extends to within 1.5V of V– (0V) and 2.65V of V+ at 3.3V supply, and its rail-to-rail output swings within 50mV of both rails at 20mA load - enabling full dynamic range utilization in 3.3V and 5V systems without level-shifting circuitry.
How does the ENABLE pin function on LT6236CS6#TRPBF?
The ENABLE pin on LT6236CS6#TRPBF is an active-low shutdown control. When pulled to V+ – 0.35V or higher, the amplifier enters shutdown mode with supply current reduced to ≤10µA. When pulled to ≤0.3V, normal operation resumes with 800ns turn-on time. The pin draws ≤100µA sink current and requires no external pull-up; direct connection to MCU GPIO suffices.
What is the guaranteed settling time for LT6236CS6#TRPBF to 18-bit accuracy?
LT6236CS6#TRPBF guarantees 570ns settling time to 4ppm (18-bit) accuracy for a 2VP-P output step under standard test conditions (VS = 5V, RL = 1kΩ, AV = 1). This specification is validated across the 0°C to 70°C temperature range and is critical for interfacing with 2.5Msps+ SAR ADCs such as the LTC2389-18 without cycle loss.
Is LT6236CS6#TRPBF pin-compatible with other members of the LT6236/LT6237/LT6238 family?
No, LT6236CS6#TRPBF is not pin-compatible with LT6237 or LT6238 variants. It uses a 6-lead TSOT-23 package with unique pinout (V+, ENABLE, –IN, OUT, V–, +IN). LT6237 (dual) uses 8-lead DFN or MSOP, and LT6238 (quad) uses 16-lead SSOP - each with distinct pin assignments and no shared footprint. Board redesign is required for substitution between family members.
LT6236CS6#TRPBF 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#TRPBF FAQ
1.How can I place an order for LT6236CS6#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6236CS6#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 LT6236CS6#TRPBF reliable?
The price and inventory of LT6236CS6#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6236CS6#TRPBF is usually 5 days.
3.What payment methods are accepted for LT6236CS6#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6236CS6#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6236CS6#TRPBF?
LT6236CS6#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6236CS6#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 LT6236CS6#TRPBF?
For technical support, including LT6236CS6#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6236CS6#TRPBF requirements.
6.How does Aetrix verify that LT6236CS6#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT6236CS6#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 LT6236CS6#TRPBF meets industry standards.
7.What is the process for return or replacement of LT6236CS6#TRPBF?
All LT6236CS6#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6236CS6#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 LT6236CS6#TRPBF part is unused and in its original packaging.
Return procedure for LT6236CS6#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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