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Analog Devices Inc. LT6004CMS8#TRPBF
- Part No.:
- LT6004CMS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6004CMS8#TRPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,160
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Product details
Overview
LT6004CMS8#TRPBF from Analog Devices (formerly Linear Technology) is a dual rail-to-rail input/output precision operational amplifier optimized for micropower battery-powered systems. It operates from 1.6V to 16V supply, draws ≤1.6µA per amplifier at 5V, features 500µV max input offset voltage, 90pA max input bias current, and drives 500pF capacitive loads - enabling high-accuracy signal conditioning in portable gas monitors and low-voltage sensor interfaces.
For engineers reviewing the LT6004CMS8#TRPBF datasheet, LT6004CMS8#TRPBF pinout, LT6004CMS8#TRPBF application, or LT6004CMS8#TRPBF equivalent, key selection criteria include guaranteed 1.6V minimum supply operation, rail-to-rail I/O performance across –40°C to 85°C, ultralow quiescent current stability over temperature, and MSOP-8 package compatibility with space-constrained PCB layouts.
Technical Context
The LT6004CMS8#TRPBF employs a complementary PNP/NPN input stage with automatic crossover control to maintain rail-to-rail common-mode range (0V to V+) while minimizing input offset voltage shift (<1.3mV over full VCM). Its folded-cascode second stage and complementary drive output stage enable stable unity-gain operation with ≥500pF load capacitance without external compensation.
It delivers 100,000 min open-loop gain into 20kΩ, 100dB CMRR at 1.8V supply, and 95dB PSRR - all specified across industrial temperature (–40°C to 85°C) and validated on 1.8V, 5V, and ±8V supplies. Input bias current remains ≤90pA up to 85°C, supporting high-impedance sensor front-ends without significant error drift.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.6V to 16V - enables direct operation from single-cell Li-ion (2.7–4.2V), alkaline (1.5V × 2), or 3.3V/5V rails without regulation |
| Quiescent Current | ≤1.6µA per amplifier at 5V, –40°C to 85°C - extends battery life in always-on sensor nodes beyond 10 years on CR2032 |
| Input Offset Voltage | ≤500µV max (0°C to 70°C), ≤950µV max (–40°C to 85°C) - ensures <0.1% gain error in 12-bit ADC front-ends with 10kΩ source impedance |
| Input Bias Current | ≤90pA max (–40°C to 85°C) - preserves accuracy in pH electrode, photodiode, or piezoelectric sensor interfaces |
| Capacitive Load Drive | Stable with ≥500pF - eliminates need for isolation resistors when driving ADC input filters or long traces |
| CMRR / PSRR | 100dB / 95dB min at 1.8V - rejects supply noise and common-mode interference in unregulated battery systems |
| Output Swing | Within 100mV of V+ and 50mV of V– (no load, –40°C to 85°C) - maximizes dynamic range in single-supply 1.8V/3.3V data acquisition |
Pinout & Package
LT6004CMS8#TRPBF is housed in an 8-lead plastic MSOP package (3mm × 3mm × 1.1mm height) with exposed pad connected to V–. Thermal resistance θJA = 250°C/W enables operation at full spec without heatsinking up to 125°C ambient under typical PCB layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Full rail-to-rail swing; capable of sourcing 5mA/sinking 4mA at 1.8V supply |
| 2 (–IN A) | Inverting input A | High-impedance node (≥10GΩ); protected by 600kΩ series resistors against overvoltage |
| 3 (+IN A) | Non-inverting input A | Matches –IN A characteristics; requires matched source impedances to minimize IB-induced offset |
| 4 (V–) | Negative supply | Reference for both amplifiers; exposed pad must be soldered to PCB ground plane for thermal and electrical stability |
| 5 (V+) | Positive supply | Bypass with 0.01µF ceramic capacitor within 1 inch; supports split-supply (±2.5V) or single-supply (1.6–16V) operation |
| 6 (+IN B) | Non-inverting input B | Independent of Channel A; identical DC specs and rail-to-rail behavior |
| 7 (–IN B) | Inverting input B | Phase-reversal protected; tolerates inputs up to 9V below V– without output polarity inversion |
| 8 (OUT B) | Amplifier B output | Electrically isolated from OUT A; shares V+ and V– rails but no crosstalk above –80dB at 1kHz |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Operates with VCM = 0V to V+ and VOUT = V– +50mV to V+ –100mV - enables true single-supply signal chain design down to 1.6V |
| Ultralow supply current | 1.6µA max per amplifier at 5V and 85°C - reduces system standby power to sub-µW levels in wake-on-event architectures |
| Low input offset drift | 2µV/°C typical (S5/MS8/GN packages) - maintains <10µV total offset shift over –40°C to 85°C industrial range |
| High capacitive load tolerance | Stable with 500pF directly on output - eliminates external isolation resistor in anti-aliasing filter designs |
| Robust input protection | 600kΩ series resistors + phase-reversal immunity - withstands ±10V transients on inputs without latch-up or damage |
Applications
| Portable Gas Monitors | Battery-Powered Sensor Nodes |
|---|---|
Use Scenario: Signal conditioning for electrochemical oxygen sensors (e.g., City Technology 4OX(2)) delivering µA-level currents into 100kΩ load resistors. IC Role / Device Role / Timing Role: Precision transimpedance amplifier and buffer with rail-to-rail output driving 12-bit SAR ADC reference input. Use Value: 0.95µA total supply current (per channel) enables >5-year CR2032 battery life while maintaining 1V output accuracy in air. | Use Scenario: Front-end amplification for thermistor, RTD, or humidity sensors in wireless IoT endpoints operating on coin cells. IC Role / Device Role / Timing Role: Dual-channel instrumentation amplifier core with matched gain-setting resistors and low-drift DC coupling. Use Value: 90pA input bias current prevents >1mV error in 10MΩ thermistor bridges; 500µV VOS ensures <0.05°C measurement uncertainty. |
| Low-Voltage Data Acquisition | Micropower Active Filters |
Use Scenario: Single-supply 1.8V data logger capturing biomedical signals (ECG, EEG) with 0.5–100Hz bandwidth. IC Role / Device Role / Timing Role: Rail-to-rail input buffer and programmable-gain amplifier preceding sigma-delta ADC. Use Value: 100dB CMRR rejects 50/60Hz mains interference; 1.6V minimum supply allows direct connection to energy-harvesting PMIC outputs. | Use Scenario: 2nd-order Sallen-Key low-pass filter in handheld environmental meters rejecting RF noise above 10kHz. IC Role / Device Role / Timing Role: Unity-gain stable active filter stage with integrated 500pF load drive capability. Use Value: Eliminates need for output isolation resistor, reducing component count and board area while preserving filter Q-factor and cutoff accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2050CMS8#TRPBF | Zero-drift architecture; 0.5µV VOS, 0.005µV/°C drift, but 12µA IQ - 12× higher supply current | Better DC precision for DC-coupled strain gauge bridges; unsuitable for multi-year battery life targets | Select when ultra-low drift dominates over power; avoid if >2µA per channel is unacceptable |
| OPA2333AIDR | Zero-drift, 12µA IQ, 1.8V min supply, but only 100pF capacitive load drive - requires output isolation resistor | Higher precision for medical-grade analog front-ends; incompatible with direct ADC filter drive | Choose for sub-µV offset-critical applications where layout area permits external compensation components |
Compared with LTC2050CMS8#TRPBF and OPA2333AIDR, LT6004CMS8#TRPBF uniquely balances micropower operation (≤1.6µA), rail-to-rail functionality, and 500pF load drive in an MSOP-8 package - making it optimal for space- and energy-constrained sensor signal chains where moderate DC precision suffices.
Availability
LT6004CMS8#TRPBF is available at Aetrix Electronics and suitable for portable gas monitors, battery-powered sensor nodes, and low-voltage data acquisition systems requiring stable component supply with guaranteed long-term availability and traceable lot history.
Supply support for LT6004CMS8#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, serving industrial, automotive, communications, and healthcare markets.
The LT6003/LT6004/LT6005 family was designed specifically for micropower precision signal conditioning in battery-operated instrumentation - prioritizing ultralow supply current, rail-to-rail operation at sub-2V supplies, and robust input protection without sacrificing DC accuracy.
FAQ
What is the minimum supply voltage specification for LT6004CMS8#TRPBF?
The LT6004CMS8#TRPBF is guaranteed to operate down to 1.6V total supply voltage (V+ to V–) across the industrial temperature range (–40°C to 85°C), with full rail-to-rail input/output functionality and 100,000 min open-loop gain. At 1.6V, quiescent current remains ≤1.4µA per amplifier, enabling direct use with single alkaline or lithium primary cells.
Does LT6004CMS8#TRPBF require external compensation for stability?
No, the LT6004CMS8#TRPBF is unity-gain stable and does not require external compensation. It is characterized to remain stable with capacitive loads up to 500pF directly on the output pin - a key differentiator from many micropower op amps that demand isolation resistors or feedback capacitors to prevent oscillation.
How does the input stage of LT6004CMS8#TRPBF achieve rail-to-rail common-mode range?
The LT6004CMS8#TRPBF uses a dual-input architecture with complementary PNP and NPN differential pairs. The PNP stage operates from V– to ~0.9V below V+, while the NPN stage activates near V+ to extend the common-mode range fully to the positive rail. Input offset voltage is trimmed on both stages to limit total VOS shift to ≤1.3mV across the full range.
What is the maximum capacitive load LT6004CMS8#TRPBF can drive without instability?
The LT6004CMS8#TRPBF is tested and guaranteed stable with ≥500pF capacitive load on its output, as confirmed in the datasheet's "Capacitive Load Handling" and "Overshoot vs Capacitive Load" plots. This eliminates the need for series isolation resistors in anti-aliasing filter or ADC driver applications, simplifying layout and preserving signal integrity.
Is LT6004CMS8#TRPBF suitable for use with high-impedance sensors like pH electrodes?
Yes, the LT6004CMS8#TRPBF is well-suited for high-impedance sensors: its 90pA max input bias current (–40°C to 85°C) and 10GΩ min differential input resistance minimize loading errors. For pH electrodes (typically 100MΩ–1GΩ), matching source impedances on +IN and –IN terminals reduces IB-induced offset to <10µV - critical for sub-mV measurement accuracy.
LT6004CMS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.0055V/µs
- Gain Bandwidth Product:
- 3 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 7 pA
- Voltage - Input Offset:
- 80 µV
- Current - Supply:
- 1.25µA (x2 Channels)
- Current - Output / Channel:
- 9 mA
- Voltage - Supply Span (Min):
- 1.6 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6004CMS8#TRPBF FAQ
1.How can I place an order for LT6004CMS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6004CMS8#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 LT6004CMS8#TRPBF reliable?
The price and inventory of LT6004CMS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6004CMS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT6004CMS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6004CMS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6004CMS8#TRPBF?
LT6004CMS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6004CMS8#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 LT6004CMS8#TRPBF?
For technical support, including LT6004CMS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6004CMS8#TRPBF requirements.
6.How does Aetrix verify that LT6004CMS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT6004CMS8#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 LT6004CMS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LT6004CMS8#TRPBF?
All LT6004CMS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6004CMS8#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 LT6004CMS8#TRPBF part is unused and in its original packaging.
Return procedure for LT6004CMS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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