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Analog Devices Inc. LTC6082IGN#TRPBF
- Part No.:
- LTC6082IGN#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC6082IGN#TRPBF.pdf
- Description:
- IC CMOS 4 CIRCUIT 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,539
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Product details
Overview
LTC6082IGN#TRPBF from Analog Devices (formerly Linear Technology) is a quad precision rail-to-rail input/output CMOS operational amplifier optimized for microvolt-level signal conditioning in high-impedance sensor interfaces. It delivers 70µV max offset voltage, 0.8µV/°C max offset drift, 1pA max input bias current at 25°C, 1.3µVP-P 0.1Hz–10Hz noise, and 120dB open-loop gain - enabling thermocouple amplification, strain gauge readout, and photodiode front-ends requiring sub-microvolt accuracy.
For engineers reviewing the LTC6082IGN#TRPBF datasheet, LTC6082IGN#TRPBF pinout, LTC6082IGN#TRPBF application, or LTC6082IGN#TRPBF equivalent, this page provides verified package mapping (16-lead SSOP), confirmed shutdown functionality per amplifier, rail-to-rail I/O behavior across 2.7V–5.5V supply, and real-world design implications of its 330µA/amplifier quiescent current and 3.6MHz gain-bandwidth product.
Technical Context
The LTC6082IGN#TRPBF integrates four independent amplifiers sharing a common 2.7V–5.5V supply, each with dual-input-stage architecture (PMOS + NMOS pairs) enabling true rail-to-rail common-mode input range from V– to V+. Its 100dB min CMRR and 98dB min PSRR ensure robust performance in noisy industrial environments where supply ripple or ground shifts would otherwise corrupt µV-level signals.
Each amplifier features an independent shutdown control path (not present in MSOP or DFN variants), reducing supply current to ≤2µA per channel when SHDN is asserted low. The GN16 package exposes no thermal pad, eliminating solder voiding risks but limiting power dissipation compared to DFN alternatives - critical for continuous operation at 125°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage | 70µV max at 25°C - enables direct amplification of <100µV sensor outputs without trimming |
| Offset Drift | 0.8µV/°C max - ensures <1.6µV total drift over 0°C–85°C operating range |
| Input Bias Current | 1pA max at 25°C - supports >1GΩ feedback networks without significant DC error |
| 0.1Hz–10Hz Noise | 1.3µVP-P - preserves resolution in slow-sampling precision ADC front-ends |
| Gain-Bandwidth Product | 3.6MHz - supports stable closed-loop gains up to 36× at 100kHz with 45° phase margin |
| Supply Current | 330µA per amplifier - allows four-channel operation within 1.32mA total budget at 3V |
| Rail-to-Rail I/O | VOUT swings within 1mV of rails - eliminates level-shifting circuitry in single-supply systems |
Pinout & Package
Package: 16-lead plastic SSOP (GN16), 0.150-inch narrow body, no exposed thermal pad, JEDEC MO-229 compliant. Pin 1 marked by bevel edge or dimple; leads coplanar within 0.102mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | OUTA, OUTB, OUTC, OUTD | Amplifier output terminals - high-impedance in shutdown mode; drive 10kΩ loads to rail |
| 2, 4, 11, 13 | –INA, –INB, –INC, –IND | Inverting inputs - accept signals from V– to V+; 3pF differential capacitance minimizes phase shift |
| 3, 5, 12, 14 | +INA, +INB, +INC, +IND | Noninverting inputs - identical common-mode range and capacitance as inverting inputs |
| 6, 15 | V+ | Positive supply rail - accepts 2.7V–5.5V; decoupling required within 1cm of pins |
| 7, 10 | V– | Negative supply rail - referenced to system ground in single-supply configs; connects to exposed leadframe |
| 17 (NC) | No Connect | Not internally bonded - must remain unconnected to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Quad independent shutdown | Each amplifier disables separately via dedicated SHDN logic - enables dynamic channel gating in battery-powered data loggers |
| Ultra-low input bias current | 1pA max at 25°C - maintains accuracy with 10MΩ+ source impedances used in pH electrodes and piezoelectric sensors |
| Thermal hysteresis control | ≤15µV post-cycling offset shift - validated for instrumentation deployed in HVAC or automotive underhood environments |
| Unity-gain stable | No external compensation required - simplifies PCB layout for gain-of-1 buffer stages in ADC reference buffers |
| High PSRR/CMRR | 98dB PSRR, 100dB CMRR - rejects supply noise and common-mode interference in motor-drive current sensing |
Applications
| Thermocouple Amplifier | Strain Gauge Interface |
|---|---|
|
Use Scenario: Amplifying K-type thermocouple outputs (≈41µV/°C) from 0°C to 500°C with cold-junction compensation. IC Role / Device Role / Timing Role: Primary signal conditioner providing 1011× gain, low-noise buffering, and rail-to-rail output swing into ADC driver stage. Use Value: 1pA input bias contributes <0.05°C error; 70µV offset translates to <0.5°C measurement offset - meeting Class 1 thermocouple accuracy standards. |
Use Scenario: Reading Wheatstone bridge outputs from metal foil strain gauges in load cells and pressure transducers. IC Role / Device Role / Timing Role: Instrumentation amplifier front-end (two LTC6082 sections configured as difference amplifier + gain stage). Use Value: 100dB CMRR rejects bridge excitation noise; 0.8µV/°C drift prevents thermal-induced zero-point drift during ambient temperature cycling. |
| Photodiode Transimpedance | Microvolt Threshold Detection |
|
Use Scenario: Converting nanoamp photocurrents from UV/IR photodiodes into measurable voltage signals. IC Role / Device Role / Timing Role: Transimpedance amplifier with 10MΩ feedback resistor and guard-ring-compatible input routing. Use Value: 1pA input bias avoids saturation of high-value feedback resistors; 1.3µVP-P noise sets minimum detectable photocurrent at ~100fA RMS. |
Use Scenario: Detecting sub-millivolt fault signatures in battery management systems or medical ECG front-ends. IC Role / Device Role / Timing Role: Precision comparator preamplifier driving a low-hysteresis comparator with programmable threshold. Use Value: 70µV offset allows reliable detection of 200µV events; rail-to-rail output ensures full logic-level swing into digital interface. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2052IGN#TRPBF | Zero-drift architecture; 0.5µV max offset, 0.015µV/°C drift, but 1.1mA/amplifier supply current | Better DC precision at cost of 3.3× higher power; requires different PCB layout due to auto-zero clock feedthrough sensitivity | Select when long-term DC stability dominates over power budget - e.g., laboratory calibration equipment |
| LTC6078IGS#TRPBF | Dual-channel version in 10-lead DFN; same 70µV offset and 1pA bias, but no per-amplifier shutdown | Reduces board area by 50% vs. quad SSOP; lacks independent channel disable - unsuitable for adaptive channel gating | Select when space-constrained designs need two precision amps without shutdown - e.g., portable gas analyzers |
Compared with LTC6082IGN#TRPBF, LTC2052IGN#TRPBF trades 3.3× higher quiescent current for 140× lower offset drift, while LTC6078IGS#TRPBF halves channel count and eliminates shutdown control to achieve 40% smaller footprint - making LTC6082IGN#TRPBF optimal for multi-channel, power-aware, field-deployable instrumentation.
Availability
LTC6082IGN#TRPBF is available at Aetrix Electronics and suitable for thermocouple amplification, strain gauge readout, photodiode signal conditioning, and microvolt-threshold detection requiring stable component supply across industrial temperature ranges.
Supply support for LTC6082IGN#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, inheriting its legacy of high-precision analog ICs designed for demanding measurement and control applications.
The LTC6082 belongs to Linear's precision op amp product line, engineered specifically for µV-level DC accuracy in sensor signal chains where offset, drift, and input bias directly limit system resolution.
FAQ
What is the maximum operating temperature range for the LTC6082IGN#TRPBF?
The LTC6082IGN#TRPBF is specified for operation from –40°C to +85°C (I-grade). Its electrical characteristics - including 70µV max offset voltage and 0.8µV/°C max drift - are guaranteed across this full range. The H-grade variant (LTC6082HGN#TRPBF) extends to 125°C but uses the same GN16 package.
Does the LTC6082IGN#TRPBF have individual shutdown pins for each amplifier?
No - the LTC6082IGN#TRPBF does not include per-amplifier shutdown pins. Unlike the DFN-packaged LTC6082DHC variants, the GN16 SSOP package (including LTC6082IGN#TRPBF) omits SHDN_A through SHDN_D pins. All four amplifiers operate simultaneously or are disabled globally via supply control.
Can the LTC6082IGN#TRPBF drive a 10kΩ load rail-to-rail?
Yes - the LTC6082IGN#TRPBF guarantees rail-to-rail output swing into 10kΩ loads. At 3V supply, it delivers VOUT(HIGH) within 1mV of V+ and VOUT(LOW) within 1mV of V– under no-load conditions, and sustains ±0.5mA output current while maintaining <300mV saturation voltage - sufficient for direct interfacing with SAR ADC references.
What is the input common-mode voltage range of the LTC6082IGN#TRPBF?
The LTC6082IGN#TRPBF accepts input voltages from V– to V+ across its entire operating supply range (2.7V–5.5V). This rail-to-rail input capability stems from its complementary PMOS/NMOS input stage, which seamlessly transitions between transistor pairs as common-mode voltage crosses the mid-supply threshold - critical for single-supply sensor interfaces.
How does the LTC6082IGN#TRPBF compare to the LTC6081 in terms of pin compatibility?
The LTC6082IGN#TRPBF is not pin-compatible with any LTC6081 variant. The LTC6081 is a dual op amp offered in 8-lead MSOP or 10-lead DFN packages, while the LTC6082IGN#TRPBF is a quad device in 16-lead SSOP. Their pinouts differ fundamentally - e.g., LTC6081MS8 has V+, OUTA, –INA, +INA, V–, +INB, –INB, OUTB; LTC6082IGN#TRPBF allocates 16 pins across four full amplifier channels plus shared supplies.
LTC6082IGN#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1V/µs
- Gain Bandwidth Product:
- 3.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 90 µV
- Current - Supply:
- 330µA (x4 Channels)
- Current - Output / Channel:
- 24 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
LTC6082IGN#TRPBF FAQ
1.How can I place an order for LTC6082IGN#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6082IGN#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 LTC6082IGN#TRPBF reliable?
The price and inventory of LTC6082IGN#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6082IGN#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6082IGN#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6082IGN#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6082IGN#TRPBF?
LTC6082IGN#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6082IGN#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 LTC6082IGN#TRPBF?
For technical support, including LTC6082IGN#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6082IGN#TRPBF requirements.
6.How does Aetrix verify that LTC6082IGN#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6082IGN#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 LTC6082IGN#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6082IGN#TRPBF?
All LTC6082IGN#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6082IGN#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 LTC6082IGN#TRPBF part is unused and in its original packaging.
Return procedure for LTC6082IGN#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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