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Analog Devices Inc. LTC6078AIMS8#TRPBF
- Part No.:
- LTC6078AIMS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6078AIMS8#TRPBF.pdf
- Description:
- IC CMOS 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,475
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Product details
Overview
LTC6078AIMS8#TRPBF from Analog Devices (acquired Linear Technology) is a dual micropower precision CMOS operational amplifier with rail-to-rail input/output swing, 25µV max offset voltage at 25°C, 0.3µV/°C max offset drift, and 54µA per amplifier supply current at 3V - optimized for high-impedance sensor signal conditioning in battery-powered instrumentation.
For engineers reviewing the LTC6078AIMS8#TRPBF datasheet, LTC6078AIMS8#TRPBF pinout, LTC6078AIMS8#TRPBF application, or LTC6078AIMS8#TRPBF equivalent, this page delivers verified package mapping (8-lead MSOP), thermal grade (–40°C to 125°C), shutdown functionality, and real-world design constraints including input bias current (<1pA at 25°C) and capacitive load stability up to 200pF.
Technical Context
The LTC6078AIMS8#TRPBF employs complementary PMOS/NMOS input stages to achieve true rail-to-rail common-mode input range (V– to V+), enabling direct interfacing with low-voltage sensors and ADC references. Its micropower architecture maintains precision via laser-trimmed offset and ultra-low input bias current without sacrificing DC accuracy.
It features active-low shutdown pins (SHDN_A/SHDN_B) only in the DFN-10 variant - not present in the MS8 package - and delivers 95dB minimum CMRR and 100dB minimum PSRR across 2.7V–5.5V supply operation, supporting stable performance in noisy single-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Offset Voltage | ±25µV at 25°C - enables µV-level threshold detection without external trimming |
| Offset Drift | ±0.3µV/°C max - ensures <1µV total drift over 0–70°C industrial range |
| Supply Current | 54µA per amplifier at 3V - supports >1-year battery life in 10µA-sleep IoT nodes |
| Input Bias Current | 1pA max at 25°C - preserves accuracy with GΩ-range feedback and sensor impedances |
| CMRR | 95dB min - rejects common-mode noise in bridge sensor interfaces |
| PSRR | 100dB min - maintains DC gain stability under supply ripple in portable equipment |
| Input Noise Density | 16nV/√Hz at 1kHz - suitable for thermocouple and pH probe amplification |
| Operating Voltage | 2.7V to 5.5V - compatible with Li-ion, coin cell, and regulated 3.3V rails |
Pinout & Package
Package: 8-lead MSOP (MS8), 3mm × 3mm body, exposed pad connected to V–, rated for TJMAX = 150°C, θJA = 200°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 OUTA | Amplifier A output | Rail-to-rail sourcing/sinking up to 2mA; high-Z in shutdown (not applicable to MS8) |
| 2 –INA | Inverting input of Amp A | CMOS node; 1pA bias current enables >1TΩ source impedance interface |
| 3 +INA | Noninverting input of Amp A | Matched to –INA; differential capacitance 10pF limits high-frequency CMRR |
| 4 V– | Negative supply rail | Connected to exposed pad; must be low-impedance ground return path |
| 5 V+ | Positive supply rail | Accepts 2.7–5.5V; PSRR >100dB suppresses supply noise coupling |
| 6 OUTB | Amplifier B output | Independent output; no crosstalk (–110dB channel separation at 10kHz) |
| 7 –INB | Inverting input of Amp B | Electrically isolated from Amp A inputs; layout guard ring recommended |
| 8 +INB | Noninverting input of Amp B | Same specs as +INA; supports dual-channel synchronous sensing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full dynamic range utilization with 0V–3V or 0V–5V supplies - no headroom loss in single-supply data acquisition |
| Micropower operation | 54µA per amp at 3V allows integration into energy-harvesting nodes where average current <100µA is mandatory |
| Ultra-low input bias | 1pA max at 25°C eliminates voltage error across 1GΩ feedback resistors - critical for photodiode and pH probe circuits |
| Low offset drift | 0.3µV/°C max ensures stable calibration over temperature without software compensation |
| High CMRR/PSRR | 95dB/100dB min prevents supply and common-mode noise from corrupting µV-level sensor outputs |
| Thermal hysteresis | <1µV typical VOS shift after –45°C to 90°C cycling - guarantees repeatability in field-deployed instruments |
Applications
| Photodiode Amplifier | Thermocouple Signal Conditioner |
|---|---|
Use Scenario: High-gain transimpedance amplification of nanoamp photocurrent from IR photodiodes (e.g., TEMD1000 at 870nm). IC Role / Device Role / Timing Role: Precision current-to-voltage converter with 1pA input bias preserving linearity across 6 decades of input current. Use Value: Delivers 600mV/µW output sensitivity without TIA resistor self-heating error or input current-induced offset shift. | Use Scenario: Cold-junction compensation and linearization of K-type thermocouple outputs (0°C–500°C, ±0.5°C accuracy). IC Role / Device Role / Timing Role: Dual-amplifier front-end: one channel conditions thermocouple voltage, the other buffers reference junction sensor. Use Value: 25µV offset and 0.3µV/°C drift enable direct µV-level measurement without chopper stabilization or auto-zero overhead. |
| pH Probe Amplifier | Microvolt Threshold Detector |
Use Scenario: Buffering high-impedance glass electrode (≥1TΩ) in portable pH meters with 59.2mV/pH slope accuracy. IC Role / Device Role / Timing Role: Unity-gain voltage follower isolating probe from ADC input while rejecting EMI via rail-to-rail CM range. Use Value: 1pA input bias prevents electrode polarization; 16nV/√Hz noise ensures resolution better than 0.01pH in 1Hz bandwidth. | Use Scenario: Detecting sub-50µV fault signatures in battery protection ICs or medical biosensors. IC Role / Device Role / Timing Role: Precision comparator front-end with programmable hysteresis using matched internal resistors. Use Value: 25µV max VOS and 0.3µV/°C drift eliminate need for periodic nulling - enables maintenance-free embedded monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC6078IMS8#TRPBF | Same silicon, –40°C to 85°C temp grade (vs. –40°C to 125°C for A-grade) | Lower cost for commercial/industrial use cases where extended temp not required | Select when full automotive or extended industrial temperature range is unnecessary |
| LT6011IMS8#TRPBF | Higher 60µV VOS, 300pA IB, 135µA supply current - trades precision for speed (1.9MHz GBW) | Better suited for higher-bandwidth sensor interfaces where µV accuracy is secondary to response time | Choose when >100kHz closed-loop bandwidth is needed and 60µV offset is acceptable |
Compared with LTC6078AIMS8#TRPBF, the IMS8 variant reduces cost by relaxing temperature qualification, while LT6011IMS8#TRPBF offers higher bandwidth at the expense of offset, bias current, and power - making LTC6078AIMS8#TRPBF optimal for static or low-frequency µV-accuracy applications.
Availability
LTC6078AIMS8#TRPBF is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered sensor nodes, and medical diagnostics equipment requiring stable component supply across extended temperature ranges.
Supply support for LTC6078AIMS8#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 semiconductors, formed through the acquisition of Linear Technology in 2017.
The LTC6078/LTC6079 product line was designed by Linear Technology specifically for ultra-low-power, high-precision signal conditioning in space-constrained, battery-operated systems - emphasizing micropower, rail-to-rail operation, and sub-µV DC accuracy.
FAQ
What is the maximum operating temperature range for the LTC6078AIMS8#TRPBF?
The LTC6078AIMS8#TRPBF is qualified for operation from –40°C to +125°C, with guaranteed performance across this full range per the H-grade specification. This makes it suitable for under-hood automotive, industrial control, and downhole sensing applications where ambient temperatures exceed 100°C.
Does the LTC6078AIMS8#TRPBF include shutdown functionality?
No, the LTC6078AIMS8#TRPBF in the 8-lead MSOP package does not include shutdown pins. Shutdown capability (SHDN_A/SHDN_B) is only available on the LTC6078DD (10-lead DFN) variant. The MS8 package operates continuously when powered within its 2.7V–5.5V supply range.
What is the input common-mode voltage range of the LTC6078AIMS8#TRPBF?
The LTC6078AIMS8#TRPBF supports a rail-to-rail input common-mode range from V– to V+, verified across its full operating temperature range. This is achieved via complementary PMOS/NMOS input pairs, allowing direct interface with sensors referenced to either supply rail - essential for single-supply bridge and thermistor circuits.
Can the LTC6078AIMS8#TRPBF drive capacitive loads?
Yes, the LTC6078AIMS8#TRPBF can drive up to 200pF in unity-gain configuration while maintaining stability, as confirmed in the datasheet's transient response and phase margin (66°) plots. For larger loads, adding a small series resistor (e.g., 10–50Ω) between output and capacitance restores phase margin without degrading DC accuracy.
How does the LTC6078AIMS8#TRPBF compare to zero-drift amplifiers like LTC2051?
The LTC6078AIMS8#TRPBF offers lower power (54µA vs. 170µA for LTC2051) and lower input bias (1pA vs. 25pA), but higher offset drift (0.3µV/°C vs. 0.03µV/°C). It is preferred when micropower and ultra-low bias dominate requirements, whereas LTC2051 suits applications demanding near-zero drift over wide temperature excursions.
LTC6078AIMS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- CMOS
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.05V/µs
- Gain Bandwidth Product:
- 750 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.2 pA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 55µA (x2 Channels)
- Current - Output / Channel:
- 25 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:
- 8-MSOP
LTC6078AIMS8#TRPBF FAQ
1.How can I place an order for LTC6078AIMS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6078AIMS8#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 LTC6078AIMS8#TRPBF reliable?
The price and inventory of LTC6078AIMS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6078AIMS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6078AIMS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6078AIMS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6078AIMS8#TRPBF?
LTC6078AIMS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6078AIMS8#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 LTC6078AIMS8#TRPBF?
For technical support, including LTC6078AIMS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6078AIMS8#TRPBF requirements.
6.How does Aetrix verify that LTC6078AIMS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6078AIMS8#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 LTC6078AIMS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6078AIMS8#TRPBF?
All LTC6078AIMS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6078AIMS8#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 LTC6078AIMS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC6078AIMS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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