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Analog Devices Inc. LT6233CS6#TRPBF
- Part No.:
- LT6233CS6#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LT6233CS6#TRPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:5,779
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Product details
Overview
LT6233CS6#TRPBF from Analog Devices (formerly Linear Technology) is a single, rail-to-rail output, low-noise operational amplifier optimized for unity-gain stable operation with 1.9nV/√Hz input voltage noise, 60MHz gain-bandwidth product, and 1.2mA supply current per amplifier. It features an enable pin for shutdown (≤10µA), operates from 3V to 12.6V supplies, and delivers ±30mA output drive-ideal for precision signal conditioning in portable instrumentation and A/D driver stages.
For engineers reviewing the LT6233CS6#TRPBF datasheet, LT6233CS6#TRPBF pinout, LT6233CS6#TRPBF application, or LT6233CS6#TRPBF equivalent, key selection criteria include its 60MHz GBW at AV ≥ 1, 1.9nV/√Hz noise floor, rail-to-rail output swing within 50mV of rails, shutdown capability, and SOT-23-6 package compatibility with space-constrained analog front-ends.
Technical Context
The LT6233CS6#TRPBF employs a proprietary bipolar input stage delivering ultra-low voltage noise while maintaining low input bias current (1.5–4µA) and high CMRR (115dB typ). Its internal architecture supports unity-gain stability without external compensation and enables fast turn-on (500ns) and turn-off (76–135µs) via the ENABLE pin.
It is specified across –40°C to 85°C (industrial grade), supports single-supply (3.3V, 5V) and split-supply (±2.5V, ±5V) operation, and maintains full performance down to 3V total supply-enabling use in battery-powered systems where dynamic range and power efficiency are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Noise Voltage Density | 1.9nV/√Hz at 10kHz - enables high-resolution sensor signal amplification without degrading SNR |
| Gain-Bandwidth Product | 60MHz at AV ≥ 1 - supports wideband filtering and fast settling (175ns to 0.1%) in data acquisition paths |
| Supply Current | 1.2mA max per amplifier - allows dual-channel operation under 2.5mA, suitable for low-power portable designs |
| Output Swing | Rail-to-rail, within 50mV of V+ and V− - maximizes dynamic range on 3.3V or 5V supplies |
| Shutdown Current | ≤10µA - reduces system standby power in intermittent-sampling applications |
| Input Offset Voltage | 350µV max - ensures DC accuracy in precision transimpedance and differential amplifiers |
| Common Mode Rejection | 115dB typical - rejects supply and ground noise in noisy industrial environments |
Pinout & Package
LT6233CS6#TRPBF is housed in a 6-lead TSOT-23 (ThinSOT™) plastic package, 2.9mm × 1.6mm × 1.0mm profile, with exposed pad optional for thermal enhancement. Pin 1 is marked with a dot; pin numbering follows standard SOT-23 orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier Output | Delivers rail-to-rail voltage swing up to ±30mA; requires minimal load capacitance for stability |
| 2 (V−) | Negative Supply Rail | Reference for internal biasing; connects to ground in single-supply configurations |
| 3 (+IN) | Non-Inverting Input | High-impedance (22MΩ common-mode), low-input-bias-current node for precision sensing |
| 4 (−IN) | Inverting Input | Differential input terminal; matched to +IN for CMRR optimization |
| 5 (ENABLE) | Active-Low Shutdown Control | Pulled low (<0.3V) to disable amplifier; draws <10µA quiescent current when asserted |
| 6 (V+) | Positive Supply Rail | Accepts 3V–12.6V total supply; powers internal bias network and output stage |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low noise architecture | 1.9nV/√Hz + 0.43pA/√Hz balanced current noise - preserves signal integrity in low-level sensor interfaces |
| Unity-gain stable design | No external compensation required - simplifies layout and reduces BOM count in gain-of-1 buffers |
| Rail-to-rail output stage | Swings to within 50mV of V+ and V− - delivers full-scale ADC input range on 3.3V supplies |
| Enable-controlled power gating | 500ns turn-on / 76µs turn-off - enables synchronized power management in time-multiplexed signal chains |
| Wide supply range | 3V to 12.6V total supply - supports direct connection to Li-ion, USB, and industrial 5V/12V rails |
Applications
| Ultrasound Amplifiers | Active Filters |
|---|---|
Use Scenario: Low-noise preamplification of piezoelectric transducer signals in portable ultrasound probes. IC Role / Device Role / Timing Role: First-stage transimpedance and voltage gain amplifier before analog beamforming. Use Value: 1.9nV/√Hz noise floor preserves weak echo signal fidelity; rail-to-rail output drives anti-aliasing filters directly. | Use Scenario: High-Q, low-distortion bandpass filtering in medical ECG and EEG front-ends. IC Role / Device Role / Timing Role: Gain-setting and buffering stage in multiple-feedback (MFB) or state-variable topologies. Use Value: 60MHz GBW supports >10MHz filter cutoffs with <0.1% gain error; low distortion maintains waveform shape. |
| Driving A/D Converters | Rail-to-Rail Buffer Amplifiers |
Use Scenario: Driving SAR and sigma-delta ADC inputs in precision data loggers and process monitors. IC Role / Device Role / Timing Role: Settling-optimized buffer isolating sensor signal path from ADC input capacitance. Use Value: 175ns 0.1% settling time ensures accurate sampling at >5MSPS; rail-to-rail swing matches 3.3V ADC reference. | Use Scenario: Unity-gain voltage follower for sensor excitation, reference buffering, and level-shifting. IC Role / Device Role / Timing Role: High-impedance input / low-impedance output interface between subsystems. Use Value: 1.2mA quiescent current enables always-on buffering in battery-powered IoT nodes; shutdown cuts current to ≤10µA. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4897-1ARMZ-R7 | Lower noise (1.0nV/√Hz), higher GBW (290MHz), but no shutdown pin; 1.8mA supply current | Better for ultra-wideband, high-speed applications where power gating is unnecessary | Select when noise budget is tighter than 1.9nV/√Hz and shutdown is not required |
| OPA320AIDBVR | Lower supply current (1.6mA typ), same 1.9nV/√Hz noise, but only 20MHz GBW and no enable pin | Suitable for lower-bandwidth, always-on precision buffers where size and power dominate | Select when bandwidth demand is ≤20MHz and shutdown functionality is not needed |
Compared with ADA4897-1ARMZ-R7 and OPA320AIDBVR, the LT6233CS6#TRPBF uniquely balances 60MHz bandwidth, 1.9nV/√Hz noise, rail-to-rail output, and integrated shutdown in a 6-pin SOT-23-making it optimal for space- and power-constrained, medium-bandwidth precision analog signal chains.
Availability
LT6233CS6#TRPBF is available at Aetrix Electronics and suitable for ultrasound imaging systems, portable instrumentation, active filter modules, and A/D converter driver circuits requiring stable component supply, long-term lifecycle support, and industrial-grade temperature performance.
Supply support for LT6233CS6#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 LT6233 family was designed by ADI's legacy Linear Technology division specifically for low-noise, low-power, rail-to-rail signal conditioning in portable and battery-operated precision measurement systems.
FAQ
What is the operating temperature range for the LT6233CS6#TRPBF?
The LT6233CS6#TRPBF is rated for operation from –40°C to 85°C, meeting industrial temperature requirements. This specification is guaranteed per the "I" grade marking (LT6233IS6#TRPBF), and the CS6 variant shares identical thermal qualification per Analog Devices' datasheet revision history and ordering information table.
Does the LT6233CS6#TRPBF require external compensation for unity-gain stability?
No, the LT6233CS6#TRPBF is internally compensated for unity-gain stability. It drives capacitive loads up to 100pF without oscillation and does not require external feedback capacitors or nulling networks-simplifying PCB layout and reducing bill-of-materials cost in buffer and gain-of-1 configurations.
What is the maximum output current capability of the LT6233CS6#TRPBF?
The LT6233CS6#TRPBF delivers ±30mA continuous output current into resistive loads. Short-circuit current is rated at ±40mA (typical) under 5V supply conditions. Output voltage swing remains rail-to-rail (within 50mV of V+ and V−) up to 15mA sink/source, supporting robust driving of ADC inputs and active filters.
How does the ENABLE pin function on the LT6233CS6#TRPBF?
The ENABLE pin (Pin 5) is an active-low control: pulling it below 0.3V disables the amplifier and reduces supply current to ≤10µA. When pulled high to V+ − 0.25V, the device operates normally. The pin draws ≤100µA when enabled and exhibits 500ns turn-on and 76–135µs turn-off times-enabling precise power sequencing in multi-stage analog signal paths.
Is the LT6233CS6#TRPBF pin-compatible with other members of the LT6233 family?
Yes, the LT6233CS6#TRPBF shares identical 6-pin TSOT-23 pinout with LT6233IS6#TRPBF, LT6233CS6-10#TRPBF, and LT6233IS6-10#TRPBF. All variants use the same OUT/V−/+IN/−IN/ENABLE/V+ assignment. However, the -10 versions feature different internal compensation and higher GBW (375MHz), so functional substitution requires circuit revalidation.
LT6233CS6#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:
- 17V/µs
- Gain Bandwidth Product:
- 60 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1.5 µA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 1.15mA
- Current - Output / Channel:
- 55 mA
- 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
LT6233CS6#TRPBF FAQ
1.How can I place an order for LT6233CS6#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6233CS6#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 LT6233CS6#TRPBF reliable?
The price and inventory of LT6233CS6#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6233CS6#TRPBF is usually 5 days.
3.What payment methods are accepted for LT6233CS6#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6233CS6#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6233CS6#TRPBF?
LT6233CS6#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6233CS6#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 LT6233CS6#TRPBF?
For technical support, including LT6233CS6#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6233CS6#TRPBF requirements.
6.How does Aetrix verify that LT6233CS6#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT6233CS6#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 LT6233CS6#TRPBF meets industry standards.
7.What is the process for return or replacement of LT6233CS6#TRPBF?
All LT6233CS6#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6233CS6#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 LT6233CS6#TRPBF part is unused and in its original packaging.
Return procedure for LT6233CS6#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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