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Analog Devices Inc. LTC6252CS6#TRMPBF
- Part No.:
- LTC6252CS6#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC6252CS6#TRMPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,394
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Product details
Overview
LTC6252CS6#TRMPBF from Analog Devices (formerly Linear Technology) is a single-channel, rail-to-rail input/output operational amplifier optimized for high-speed, low-power signal conditioning. It delivers 720MHz gain-bandwidth product, 280V/µs slew rate, and 2.75nV/√Hz input voltage noise at just 3.5mA supply current, operating from 2.5V to 5.25V supplies. It is widely used as an ADC driver in 16-bit, 1Msps data acquisition systems such as those interfacing with the LTC2393-16.
For engineers reviewing the LTC6252CS6#TRMPBF datasheet, LTC6252CS6#TRMPBF pinout, LTC6252CS6#TRMPBF application, or LTC6252CS6#TRMPBF equivalent, key selection criteria include its 6-pin TSOT-23 package, shutdown capability (42µA disable current), rail-to-rail output swing (≤120mV from rails at 25mA), and guaranteed performance across –40°C to 125°C for industrial and automotive-sensing front-ends.
Technical Context
The LTC6252CS6#TRMPBF employs a dual-input-stage architecture: a PNP pair active from V– to ~1.2V below V+, and an NPN pair taking over near the positive rail-enabling true rail-to-rail common-mode input range (0V to VS). This architecture maintains stable offset (<350µV typ. in PNP mode) and bias current (<100nA typ.) across the full range.
Its unity-gain-stable design supports high-fidelity closed-loop configurations including ADC buffering (AV = 1), active filtering (AV = 2), and fast-settling noninverting/inverting amplifiers. The 36ns 0.1% settling time and 400MHz –3dB bandwidth at AV = 1 make it suitable for driving SAR ADCs without sacrificing SNR or THD performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 720MHz - enables stable unity-gain operation up to 400MHz closed-loop bandwidth for high-frequency signal chains. |
| Slew Rate | 280V/µs - supports clean 4V step response in <36ns, critical for driving fast-switching ADC inputs without distortion. |
| Input Voltage Noise | 2.75nV/√Hz @ 1MHz - preserves SNR in precision analog front-ends, especially when driving 16-bit ADCs like LTC2393-16. |
| Supply Current | 3.5mA max per amplifier - achieves high speed with ultra-low power, ideal for battery-powered or thermally constrained designs. |
| Input Common-Mode Range | 0V to VS - accepts signals from ground to supply rail, eliminating level-shifting needs in single-supply systems. |
| Output Swing | Rail-to-rail, ≤120mV from rails at 25mA sink/source - delivers full dynamic range into heavy loads (e.g., 1kΩ || 100pF ADC input). |
| Shutdown Current | 42µA max - reduces system standby power while retaining fast wake-up (3.5µs turn-on time) for duty-cycled sensing. |
Pinout & Package
Package: 6-lead plastic TSOT-23 (S6), 2.9mm × 1.6mm × 0.8mm, exposed pad not present. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 OUT | Amplifier output | Capable of sourcing/sinking ≥90mA; rail-to-rail swing ensures maximum signal fidelity into ADC or filter loads. |
| 2 V– | Negative supply | Typically ground (0V); supports negative supplies down to –2.75V if total supply remains 2.5V–5.25V. |
| 3 +IN | Non-inverting input | Full rail-to-rail CMVR (0V to VS); low input bias current (<100nA typ.) minimizes DC error in high-Z sensor interfaces. |
| 4 –IN | Inverting input | Matches +IN in CMVR and noise; differential input capacitance (2.5pF) sets stability limits with capacitive feedback networks. |
| 5 SHDN | Active-low shutdown control | Pulled high (≥2V) for normal operation; pulled low (≤0.8V) disables amplifier, reducing supply current to 42µA. |
| 6 V+ | Positive supply | Accepts 2.5V–5.25V; PSRR >66dB ensures immunity to supply ripple in noisy mixed-signal PCB environments. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O with dual-input stage | Enables direct interface to single-supply sensors and ADCs without external level shifters or clamping diodes. |
| 720MHz GBW at 3.5mA | Delivers 10× higher bandwidth per mA than legacy 100MHz op amps, reducing need for multi-stage gain distribution. |
| 280V/µs slew rate | Supports full-scale 2Vpp steps at 4MHz without slewing-induced harmonic distortion (HD2/HD3 < –77dBc). |
| 42µA shutdown current | Reduces average power in burst-mode data loggers by >98% during idle periods while preserving µs-level responsiveness. |
| Specified from –40°C to 125°C | Validates performance in under-hood automotive, industrial motor control, and outdoor IoT sensor nodes without derating. |
Applications
| ADC Driver for 16-bit SAR Converters | Rail-to-Rail Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving the analog input of the LTC2393-16 16-bit, 1Msps SAR ADC in a 5V single-supply data acquisition system. IC Role / Device Role / Timing Role: Buffer amplifier configured in unity-gain follower mode to isolate ADC input capacitance and maintain signal integrity during sampling. Use Value: Achieves 93.28dB SNR and –100.50dB THD by minimizing settling error and broadband noise contribution within the 36ns acquisition window. |
Use Scenario: Amplifying output of a 0–5V industrial pressure transducer feeding a microcontroller's 12-bit ADC. IC Role / Device Role / Timing Role: Rail-to-rail input/output buffer that translates transducer output to full-scale MCU ADC range without external biasing. Use Value: Eliminates need for dual supplies or level-shifting circuitry while maintaining <350µV offset error across temperature and supply variation. |
| High-Speed Active Filter Stage | Battery-Powered Portable Instrumentation |
Use Scenario: 2nd-order Sallen-Key low-pass filter (fc = 2.5MHz) in a portable ultrasound front-end. IC Role / Device Role / Timing Role: Gain-of-2 amplifier providing precise pole placement and minimal phase shift in the passband. Use Value: Maintains group delay flatness (<1ns variation) and –96dB crosstalk between channels due to high open-loop gain (60V/mV) and low distortion. |
Use Scenario: Signal chain amplifier in handheld multimeter with 200-hour battery life requirement. IC Role / Device Role / Timing Role: Low-power, high-precision gain stage enabling 100kHz bandwidth while consuming <3.5mA continuously or <50µA in sleep mode. Use Value: Extends battery life by >3× versus comparable 100MHz op amps, with no compromise in AC accuracy or DC offset stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4897-1ARMZ | Lower noise (1nV/√Hz), but higher supply current (10.5mA); no shutdown pin; MSOP-8 only. | Better for ultra-low-noise precision apps where power is secondary; unsuitable for space-constrained or shutdown-required designs. | Choose ADA4897-1ARMZ only if noise dominates budget and board area allows MSOP-8; LTC6252CS6#TRMPBF wins on power, size, and integration. |
| OPA837IDBVR | Higher GBW (310MHz), lower current (1.2mA), but limited CMVR (1.2V below V+); no shutdown; SOT-23-6 pinout differs (OUT/V+/–IN/+IN/SHDN/V–). | Fit for lower-bandwidth, ultra-low-power apps where rail-to-rail input is unnecessary; incompatible pinout prevents drop-in replacement. | Select OPA837IDBVR only for cost-sensitive, low-speed portable apps; LTC6252CS6#TRMPBF is superior for full-rail I/O and 720MHz bandwidth needs. |
Compared with ADA4897-1ARMZ and OPA837IDBVR, the LTC6252CS6#TRMPBF uniquely balances 720MHz bandwidth, rail-to-rail I/O, 3.5mA quiescent current, and integrated shutdown in a 6-pin TSOT-23-making it the only option meeting all four requirements simultaneously for compact, high-performance signal chains.
Availability
LTC6252CS6#TRMPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, industrial sensor interfaces, and portable instrumentation requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for LTC6252CS6#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 LTC6252CS6#TRMPBF belongs to ADI's Linear Technology precision op amp portfolio, designed specifically for high-speed, low-power, rail-to-rail signal conditioning in space- and energy-constrained systems where bandwidth, noise, and supply efficiency must coexist.
FAQ
What is the operating temperature range for the LTC6252CS6#TRMPBF?
The LTC6252CS6#TRMPBF is specified from –40°C to 125°C and fully characterized across this range for parameters including input offset voltage, supply current, and gain-bandwidth product. Its H-grade qualification makes it suitable for under-hood automotive and industrial control applications where ambient temperatures exceed 85°C.
Does the LTC6252CS6#TRMPBF support true rail-to-rail input operation?
Yes, the LTC6252CS6#TRMPBF features a dual-input-stage architecture (PNP + NPN) that guarantees continuous rail-to-rail input common-mode range from V– to V+. Unlike conventional RRO op amps, it maintains low offset (<350µV) and bias current (<100nA) across the entire range-including near both supply rails-without discontinuities or increased distortion.
Can the LTC6252CS6#TRMPBF drive heavy capacitive loads directly?
The LTC6252CS6#TRMPBF is not unity-gain stable into large capacitive loads without isolation. For loads >100pF, a series resistor (e.g., 10–50Ω) between the output and load is required to maintain phase margin. Typical overshoot remains <10% with RS = 20Ω into 1000pF, as verified in Figure 36 of the datasheet.
What is the typical shutdown recovery time for the LTC6252CS6#TRMPBF?
The LTC6252CS6#TRMPBF achieves full operational readiness in 3.5µs after the SHDN pin transitions from low to high (0.8V → 2V). During this period, output settles to final value within 0.1% of target with no significant glitch or undershoot, enabling use in time-critical burst-mode acquisition systems.
How does the LTC6252CS6#TRMPBF compare to older high-speed op amps like the LT1364 in terms of power efficiency?
The LTC6252CS6#TRMPBF delivers 720MHz GBW at 3.5mA, achieving >200MHz/mA efficiency-more than 7× higher than the LT1364 (175MHz at 7.5mA, or ~23MHz/mA). This enables higher channel density or longer battery life without sacrificing bandwidth or noise performance in modern signal chains.
LTC6252CS6#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:
- Last Time Buy
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 280V/µs
- Gain Bandwidth Product:
- 720 MHz
- -3db Bandwidth:
- 400 MHz
- Current - Input Bias:
- 1.4 µA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 4.25mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-6
LTC6252CS6#TRMPBF FAQ
1.How can I place an order for LTC6252CS6#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6252CS6#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 LTC6252CS6#TRMPBF reliable?
The price and inventory of LTC6252CS6#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6252CS6#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6252CS6#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6252CS6#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6252CS6#TRMPBF?
LTC6252CS6#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6252CS6#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 LTC6252CS6#TRMPBF?
For technical support, including LTC6252CS6#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6252CS6#TRMPBF requirements.
6.How does Aetrix verify that LTC6252CS6#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6252CS6#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 LTC6252CS6#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6252CS6#TRMPBF?
All LTC6252CS6#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6252CS6#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 LTC6252CS6#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6252CS6#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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