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Analog Devices Inc. LTC6082HGN#PBF
- Part No.:
- LTC6082HGN#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LTC6082HGN#PBF.pdf
- Description:
- IC CMOS 4 CIRCUIT 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:202
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Product details
Overview
LTC6082HGN#PBF from Analog Devices (formerly Linear Technology) is a quad precision CMOS rail-to-rail input/output operational amplifier optimized for microvolt-level signal conditioning in harsh-temperature industrial and automotive environments. It delivers 70µV max offset, 0.8µV/°C max drift, 1.3µVP-P 0.1Hz–10Hz noise, 100dB min CMRR, and 330µA per amplifier supply current at 3V - enabling high-accuracy thermocouple amplification and strain gauge interfaces operating from –40°C to 125°C.
For engineers reviewing the LTC6082HGN#PBF datasheet, LTC6082HGN#PBF pinout, LTC6082HGN#PBF application, or LTC6082HGN#PBF equivalent, key selection criteria include guaranteed H-grade temperature performance, SSOP-16 package compatibility with legacy layouts, low-input-bias-current stability under high-impedance sensor loads, and verified rail-to-rail swing at 2.7V–5.5V supply.
Technical Context
The LTC6082HGN#PBF integrates four independent precision op-amps sharing a common 16-pin SSOP package with dedicated V+ and V– rails and no internal power sequencing constraints. Its dual PMOS/NMOS input stage enables true rail-to-rail common-mode range (V– to V+) while maintaining 120dB open-loop gain and 3.6MHz gain-bandwidth product across the full –40°C to 125°C range.
Each amplifier features independent output short-circuit protection (±24mA), 1V/µs slew rate, and 6µs 0.1% settling time for 1V step - supporting stable closed-loop operation in instrumentation-grade transimpedance and differential amplification topologies without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Offset Voltage | 70µV at 25°C - ensures ≤0.5°C error in K-type thermocouple amplifiers without trimming |
| Max Offset Drift | 0.8µV/°C - guarantees <10µV total drift over 125°C span, critical for uncalibrated field sensors |
| Input Bias Current | 1pA at 25°C - preserves accuracy with >1GΩ feedback networks and photodiode sources |
| 0.1Hz–10Hz Noise | 1.3µVP-P - enables sub-microvolt threshold detection in microvolt-accuracy comparators |
| CMRR / PSRR | 100dB / 98dB min - rejects supply ripple and common-mode interference in noisy industrial buses |
| Supply Range | 2.7V to 5.5V - operates directly from single Li-ion or regulated 3.3V/5V rails without LDO overhead |
| Quiescent Current | 330µA per amplifier - supports always-on sensor nodes with <1.4mA total quad-channel draw |
Pinout & Package
Package: 16-lead plastic SSOP (GN), 0.150-inch narrow body, exposed pad connected to V–, JEDEC MO-153 compliant. Pin pitch: 0.025" (0.635mm). Thermal resistance θJA = 110°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 8, 9, 16 | OUTA, OUTB, OUTC, OUTD | Amplifier outputs - rail-to-rail swing, ±24mA short-circuit capability, high-Z in shutdown |
| 2, 4, 11, 13 | –INA, –INB, –INC, –IND | Inverting inputs - matched 3pF differential capacitance minimizes phase error in unity-gain buffers |
| 3, 5, 12, 14 | +INA, +INB, +INC, +IND | Noninverting inputs - PMOS/NMOS composite stage enables V– to V+ common-mode range |
| 6, 15 | V+ | Positive supply - accepts 2.7V–5.5V; decoupling required within 1cm of pins 6 and 15 |
| 7, 10 | V– | Negative supply - tied to exposed pad; must be low-impedance ground return path |
| 17 (Exposed Pad) | V– | Thermal and electrical connection to V– - soldering required for thermal performance and noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full dynamic range utilization with single-supply 3.3V ADCs and DACs without level-shifting circuitry |
| H-grade temp range | –40°C to 125°C operation with fully specified parameters - eliminates derating calculations for engine control units |
| 1pA input bias | Supports 10GΩ feedback resistors in strain gauge bridges without measurable current-induced offset error |
| 100dB CMRR | Maintains 100µV rejection of 100mV common-mode noise - critical for 4–20mA loop-powered transmitters |
| No shutdown pins | SSOP variant lacks SHDN_A/SHDN_B - simplifies layout vs DFN but requires external enable control for power gating |
Applications
| Thermocouple Amplifier | Strain Gauge Interface |
|---|---|
Use Scenario: Amplifying µV-level EMF from K-type thermocouples across –40°C to 500°C industrial ovens. IC Role / Device Role / Timing Role: Precision non-inverting amplifier with 1011× gain, referenced to LT1025 cold-junction compensator. Use Value: 1pA bias current contributes <0.05°C error; 70µV offset translates to ≤0.5°C absolute inaccuracy before calibration. | Use Scenario: Reading Wheatstone bridge outputs from load cells in weigh scales and structural health monitoring. IC Role / Device Role / Timing Role: Instrumentation amplifier front-end with matched input pairs rejecting common-mode bridge excitation noise. Use Value: 100dB CMRR suppresses 100mV bridge excitation ripple; rail-to-rail output drives 12-bit SAR ADCs directly. |
| Photodiode Transimpedance | Microvolt Threshold Detector |
Use Scenario: Converting nanoamp photocurrents from UV/IR sensors into voltage signals for optical smoke detectors. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier with 10MΩ feedback resistor and 3.9pF compensation. Use Value: 1.3µVP-P 0.1Hz–10Hz noise sets minimum detectable photon flux; 1pA bias avoids signal loss. | Use Scenario: Detecting sub-10µV fault signatures in motor winding insulation degradation monitoring systems. IC Role / Device Role / Timing Role: High-gain comparator with hysteresis, using one LTC6082 channel as reference buffer and another as comparator. Use Value: 0.8µV/°C drift ensures <10µV total offset variation over full temperature range - enabling reliable trip-point stability. |
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#PBF | Zero-drift architecture; 0.005µV/°C drift vs 0.8µV/°C; higher 1.5µVP-P noise; 1.2mA supply current | Superior long-term DC stability but higher power and noise - suited for lab-grade instruments, not battery-constrained field sensors | Select LTC2052IGN#PBF only when drift-critical calibration intervals exceed 1 year and power budget allows 3.6× higher current |
| OPA2189IDR | Single-supply 5.5V max; 0.005µV/°C drift; 5.2nV/√Hz wideband noise; 1.3mA supply current; SOIC-8 package | Lower noise density above 1kHz but inferior 0.1Hz–10Hz noise (1.8µVP-P) - better for AC-coupled audio, worse for DC thermometry | Choose OPA2189IDR for mixed-signal systems requiring simultaneous precision DC and 20kHz bandwidth, accepting higher quiescent power |
Compared with LTC2052IGN#PBF and OPA2189IDR, the LTC6082HGN#PBF offers optimal balance of ultra-low bias current (1pA), microvolt-level offset stability over temperature, and 330µA per amplifier efficiency - making it uniquely suitable for always-on, high-impedance, wide-temperature industrial sensing where zero-drift complexity and power overhead are prohibitive.
Availability
LTC6082HGN#PBF is available at Aetrix Electronics and suitable for thermocouple amplification, strain gauge interfacing, photodiode signal conditioning, and microvolt-threshold detection requiring stable component supply across extended temperature ranges.
Supply support for LTC6082HGN#PBF 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 full backward compatibility for all Linear op-amp products, including qualification, reliability testing, and long-term supply commitments.
The LTC608x family was designed specifically for high-precision, low-power, wide-temperature industrial measurement - emphasizing rail-to-rail operation, femtoampere-level input bias, and guaranteed parametric performance from –40°C to 125°C without derating.
FAQ
What is the maximum operating temperature for the LTC6082HGN#PBF?
The LTC6082HGN#PBF is rated for continuous operation from –40°C to 125°C, with all electrical specifications guaranteed across this full range. This H-grade rating is confirmed in the Absolute Maximum Ratings table and applies specifically to the GN16 SSOP package variant - unlike DFN variants which are limited to 125°C junction temperature but not offered in H-grade.
Does the LTC6082HGN#PBF have shutdown functionality?
No, the LTC6082HGN#PBF does not include shutdown pins. Shutdown capability (SHDN_A/SHDN_B) is exclusive to the 10-lead DFN package (LTC6081DD) and is omitted from the 16-lead SSOP (GN) and DFN (DHC) quad variants. Power management for LTC6082HGN#PBF requires external control of the V+ and V– supplies.
What is the input common-mode voltage range of the LTC6082HGN#PBF?
The LTC6082HGN#PBF features a true rail-to-rail input stage covering V– to V+, enabled by complementary PMOS/NMOS differential pairs. At 3V supply, this provides a 0V to 3V common-mode range; at 5V, it extends to 0V to 5V - verified across –40°C to 125°C with no reduction in CMRR or offset performance.
Can the LTC6082HGN#PBF drive capacitive loads?
Yes, the LTC6082HGN#PBF can drive up to 200pF in unity-gain configuration without oscillation, as characterized in the Typical Performance Characteristics (Overshoot vs Capacitive Load). For loads exceeding 200pF, adding a 10Ω–50Ω series resistor between output and load restores stability while preserving DC accuracy.
Is the exposed pad on the LTC6082HGN#PBF electrically connected?
Yes, the exposed pad on the LTC6082HGN#PBF is internally connected to V– and must be soldered to a PCB copper pour tied to the V– net. This connection is mandatory for thermal dissipation (θJA = 110°C/W) and noise immunity - floating the pad degrades PSRR by up to 20dB and increases thermal resistance by >40°C/W.
LTC6082HGN#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tube
- 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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SSOP
LTC6082HGN#PBF FAQ
1.How can I place an order for LTC6082HGN#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6082HGN#PBF 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 LTC6082HGN#PBF reliable?
The price and inventory of LTC6082HGN#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6082HGN#PBF is usually 5 days.
3.What payment methods are accepted for LTC6082HGN#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6082HGN#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6082HGN#PBF?
LTC6082HGN#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6082HGN#PBF 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 LTC6082HGN#PBF?
For technical support, including LTC6082HGN#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6082HGN#PBF requirements.
6.How does Aetrix verify that LTC6082HGN#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6082HGN#PBF 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 LTC6082HGN#PBF meets industry standards.
7.What is the process for return or replacement of LTC6082HGN#PBF?
All LTC6082HGN#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6082HGN#PBF, 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 LTC6082HGN#PBF part is unused and in its original packaging.
Return procedure for LTC6082HGN#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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