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Analog Devices Inc. LTC6259HTS8#TRMPBF
- Part No.:
- LTC6259HTS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC6259HTS8#TRMPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:813
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Product details
Overview
LTC6259HTS8#TRMPBF from Analog Devices is a dual, rail-to-rail input/output, micropower operational amplifier in an 8-lead TSOT-23 package, operating from 1.8V to 5.25V supply. It delivers 1.3MHz gain-bandwidth, 20µA quiescent current per amplifier, 400µV max input offset voltage, and drives capacitive loads up to 100nF-enabling precision signal conditioning in battery-powered instrumentation.
For engineers reviewing the LTC6259HTS8#TRMPBF datasheet, LTC6259HTS8#TRMPBF pinout, LTC6259HTS8#TRMPBF application, or LTC6259HTS8#TRMPBF equivalent, key selection criteria include shutdown capability (7µA max), EMI rejection (45dB at 1GHz), rail-to-rail I/O swing within 30mV of rails, low noise (38nV/√Hz), and guaranteed operation from –40°C to 125°C.
Technical Context
The LTC6259HTS8#TRMPBF employs a dual-input-stage architecture (PNP/NPN) enabling rail-to-rail input operation across the full common-mode range (–0.1V to VS + 0.1V). Its C-Load™ compensation ensures unity-gain stability with capacitive loads up to 100nF without external compensation.
It integrates an active-low SHDN pin controlling both amplifiers simultaneously, reducing total supply current to ≤7µA. The output stage uses a common-emitter topology delivering >4mA drive while maintaining rail-to-rail swing-critical for low-voltage sensor interfaces and active filter stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 1.3MHz - enables stable unity-gain filtering up to ~10kHz with low phase error in portable instrumentation. |
| Supply Current per Amplifier | 20µA - supports multi-year battery life in solar-powered sensors and wearable medical devices. |
| Input Offset Voltage | ±400µV max - ensures <0.1% gain error in 12-bit precision front-ends without trimming. |
| EMI Rejection Ratio | 45dB at 1GHz - suppresses RF interference in automotive cabin electronics and industrial IoT nodes. |
| Operating Temperature Range | –40°C to 125°C - qualified for under-hood automotive and industrial control applications. |
| Capacitive Load Drive | 100nF - eliminates need for isolation resistors in ADC driver or reference buffer circuits. |
| Rail-to-Rail Output Swing | Within 30mV of V+ and V– at 100µA load - maximizes dynamic range in 1.8V/3.3V systems. |
Pinout & Package
Package: 8-Lead Plastic TSOT-23 (2.0mm × 2.5mm × 0.9mm), exposed pad connected to V–.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Amplifier A output | Rail-to-rail output capable of sourcing/sinking ≥4mA; high-impedance during shutdown. |
| 2 (–INA) | Inverting input of Amp A | Accepts common-mode voltage from V– – 0.1V to V+ + 0.1V; protected by back-to-back diodes. |
| 3 (+INA) | Noninverting input of Amp A | Same voltage range as –INA; bias current ≤75nA over full temperature range. |
| 4 (V–) | Negative supply rail | Typically ground; must be bypassed with 0.1µF capacitor; exposed pad soldered to PCB thermal plane. |
| 5 (V+) | Positive supply rail | 1.8V–5.25V operation; requires local 0.1µF bypass; supports split-supply configurations. |
| 6 (OUTB) | Amplifier B output | Independent output with identical drive and swing specs as OUTA; shares shutdown control. |
| 7 (–INB) | Inverting input of Amp B | Electrically isolated from Amp A inputs; same ESD protection and CMR performance. |
| 8 (SHDN) | Active-low shutdown enable | Pulled high internally; <0.6V relative to V– disables both amplifiers; leakage ≤200nA at 1.5V. |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ capacitive load drive | Stable unity-gain operation with 100nF load-eliminates external isolation resistors in ADC drivers. |
| Rail-to-rail input and output | Full input range (V– – 0.1V to V+ + 0.1V) and output swing within 30mV of rails at light loads. |
| Low EMI sensitivity | 45dB rejection at 1GHz prevents RF-induced offset shifts in automotive infotainment and ADAS sensors. |
| Shutdown mode | Reduces total supply current to ≤7µA; output enters high-Z state-ideal for duty-cycled sensor nodes. |
| Wide supply range | 1.8V–5.25V operation supports direct connection to Li-ion, coin-cell, and USB-powered systems. |
Applications
| Micropower Active Filters | Portable Instrumentation |
|---|---|
Use Scenario: 10kHz bandpass filter in handheld multimeter front-end using AC coupling and resistor-divider biasing. IC Role / Device Role / Timing Role: Dual op amp implements 2nd-order topology with one section as integrator and second as summing amplifier. Use Value: 1.3MHz GBW and 20µA current enable precise frequency selectivity while extending battery life beyond 500 hours. |
Use Scenario: Signal conditioning for thermocouple or strain gauge in field-deployable environmental monitor. IC Role / Device Role / Timing Role: First-stage PGA with rail-to-rail I/O interfaces directly to 16-bit SAR ADC reference and input pins. Use Value: ±400µV offset and 38nV/√Hz noise ensure <1LSB error in 16-bit measurements at 1.8V supply. |
| Battery-Powered Systems | Automotive Electronics |
Use Scenario: Reference buffer for 2.5V LT6656 in solar-charged remote telemetry node. IC Role / Device Role / Timing Role: Low-noise, low-IQ buffer isolating precision reference from varying ADC load capacitance. Use Value: C-Load™ drive eliminates ringing on 44µF decoupling cap; 20µA IQ adds <0.5% daily drain to 200mAh Li-SOCl₂ cell. |
Use Scenario: Sensor signal amplification in engine control unit for oxygen sensor feedback loop. IC Role / Device Role / Timing Role: Dual-channel signal conditioner for wideband lambda sensor outputs with EMI-prone harness routing. Use Value: 45dB EMI rejection prevents RF-induced offset drift during AM/FM transmission; –40°C to 125°C rating ensures reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual micropower op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX44260ASA+ | Lower IQ (1.2µA), but only 170kHz GBW and no shutdown pin; 0.5mV offset. | Better for ultra-low-power sleep modes, but insufficient bandwidth for >5kHz active filters. | Select when sub-µA standby dominates design; avoid for precision AC-coupled signal chains. |
| OPA2333AIDR | Zero-drift architecture (0.02µV/°C drift), 350kHz GBW, 17µA IQ, no C-Load™ drive. | Superior DC accuracy for long-term sensor calibration, but unstable with >100pF loads without compensation. | Choose for DC-stable bridge amplifiers; add RC network if driving ADC input capacitance >50pF. |
Compared with MAX44260ASA+ and OPA2333AIDR, the LTC6259HTS8#TRMPBF uniquely balances 1.3MHz bandwidth, 100nF capacitive load drive, and 7µA shutdown current-making it optimal for battery-operated active filters requiring both speed and stability.
Availability
LTC6259HTS8#TRMPBF is available at Aetrix Electronics and suitable for micropower active filters, portable instrumentation, and automotive electronics requiring stable component supply across extended temperature ranges.
Supply support for LTC6259HTS8#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC6259HTS8#TRMPBF belongs to the LTC® precision op amp family designed specifically for micropower, rail-to-rail, and high-EMI-immunity applications in space-constrained, battery-sensitive systems.
FAQ
What is the maximum capacitive load the LTC6259HTS8#TRMPBF can drive stably in unity-gain configuration?
The LTC6259HTS8#TRMPBF is specified to drive up to 100nF capacitive load stably in unity-gain configuration without external compensation, thanks to its integrated C-Load™ architecture. This capability is verified across –40°C to 125°C and eliminates the need for series isolation resistors in ADC driver or reference buffer applications where load capacitance exceeds 10nF.
Does the LTC6259HTS8#TRMPBF support true ground-sensing input operation?
Yes, the LTC6259HTS8#TRMPBF supports true ground-sensing: its input common-mode range extends to V– – 0.1V, allowing operation with V– = 0V and valid input signals down to –100mV. Combined with rail-to-rail output swing within 30mV of V–, it enables accurate zero-crossing detection and single-supply sensor interfacing without level-shifting circuitry.
How does the shutdown function behave on the LTC6259HTS8#TRMPBF?
The LTC6259HTS8#TRMPBF features an active-low SHDN pin (Pin 8) that disables both amplifiers when pulled ≤0.6V relative to V–. In shutdown, total supply current drops to ≤7µA, and both outputs enter high-impedance state. The pin is internally pulled up to V+, so leaving it unconnected maintains normal operation-no external pull-up required.
What is the EMI rejection performance of the LTC6259HTS8#TRMPBF, and how is it measured?
The LTC6259HTS8#TRMPBF provides 45dB EMI rejection ratio at 1GHz, measured by injecting a –10dBm (200mVP-P) RF signal into each input pin and quantifying the resulting change in input offset voltage (ΔVOS). The ratio is calculated as 20·log(100mV/ΔVOS). This specification is guaranteed over the full –40°C to 125°C temperature range.
Can the LTC6259HTS8#TRMPBF operate from a 1.8V single supply?
Yes, the LTC6259HTS8#TRMPBF is fully specified for 1.8V to 5.25V single-supply operation. At 1.8V, it maintains 1.3MHz gain-bandwidth, 20µA supply current per amplifier, 400µV max offset, and rail-to-rail input/output swing-enabling direct interface with low-voltage microcontrollers and energy-harvesting power sources without level translation.
LTC6259HTS8#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-8 Thin, TSOT-23-8
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.24V/µs
- Gain Bandwidth Product:
- 1.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 5 nA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 20µA (x2 Channels)
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-8
LTC6259HTS8#TRMPBF FAQ
1.How can I place an order for LTC6259HTS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6259HTS8#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 LTC6259HTS8#TRMPBF reliable?
The price and inventory of LTC6259HTS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6259HTS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6259HTS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6259HTS8#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6259HTS8#TRMPBF?
LTC6259HTS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6259HTS8#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 LTC6259HTS8#TRMPBF?
For technical support, including LTC6259HTS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6259HTS8#TRMPBF requirements.
6.How does Aetrix verify that LTC6259HTS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6259HTS8#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 LTC6259HTS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6259HTS8#TRMPBF?
All LTC6259HTS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6259HTS8#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 LTC6259HTS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6259HTS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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