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Analog Devices Inc. LT6004IMS8#PBF
- Part No.:
- LT6004IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6004IMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:7,191
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Product details
Overview
LT6004IMS8#PBF 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 –40°C to 85°C, 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 front-ends.
For engineers reviewing the LT6004IMS8#PBF datasheet, LT6004IMS8#PBF pinout, LT6004IMS8#PBF application, or LT6004IMS8#PBF equivalent, key selection criteria include guaranteed 1.6V minimum supply operation, industrial-temperature (–40°C to 85°C) performance validation, MSOP-8 package compatibility with space-constrained PCB layouts, and rail-to-rail output swing within 100mV of rails under load.
Technical Context
The LT6004IMS8#PBF implements a complementary PNP/NPN input stage with automatic CM switching to maintain rail-to-rail common-mode range (0V to V+), while its folded-cascode second stage and complementary drive generator enable true rail-to-rail output swing. Input offset voltage is trimmed on both input stages to limit CMRR-induced shift to ≤1.3mV over full VCM range.
It uses adaptive biasing to sustain ultralow quiescent current (≤1.6µA per amp) across temperature and supply voltage (1.6V–16V), with PSRR ≥78dB and CMRR ≥60dB at 1.8V supply - critical for stable DC gain in single-supply microcontroller analog interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.6V to 16V - supports direct connection to single-cell Li-ion (3.0–4.2V), alkaline (1.5V), or 12V industrial rails without regulation. |
| Quiescent Current | ≤1.6µA per amplifier at –40°C to 85°C - enables >1-year battery life in coin-cell-powered IoT sensors. |
| Input Offset Voltage | 500µV max (–40°C to 85°C) - ensures ≤0.5% error in 100mV full-scale medical sensor outputs. |
| Input Bias Current | 90pA max - allows use with >10GΩ source impedances (e.g., pH electrodes, photodiode TIA feedback networks). |
| Capacitive Load Drive | 500pF - eliminates need for isolation resistors when driving ADC input filters or long PCB traces. |
| Output Swing | Within 100mV of V+ and 50mV of V– at no load - preserves dynamic range in 1.8V/3.3V logic-compatible signal chains. |
| Gain Bandwidth | 2kHz at 100Hz - sufficient for DC–100Hz biosignal amplification (ECG, EEG) with minimal phase lag. |
Pinout & Package
LT6004IMS8#PBF is housed in an 8-lead plastic MSOP package (3mm × 3mm, 1.1mm height) with exposed pad connected to V– for thermal and noise performance. Pin 1 is marked with dot; device orientation follows JEDEC MO-187.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail capable, drives 500pF directly. |
| 2 | V– | Negative supply terminal - must be connected to system ground or negative rail; exposed pad tied to this node. |
| 3 | +IN A | Inverting input of Amplifier A - PNP/NPN composite stage accepts 0V to V+ common-mode range. |
| 4 | –IN A | Non-inverting input of Amplifier A - matched to +IN A for <500µV offset. |
| 5 | –IN B | Non-inverting input of Amplifier B - electrically isolated from Amplifier A; same specs and layout symmetry. |
| 6 | +IN B | Inverting input of Amplifier B - identical input structure to Amplifier A. |
| 7 | V+ | Positive supply terminal - bypass with 0.01µF ceramic capacitor within 1 inch. |
| 8 | OUT B | Amplifier B output - independent channel; shares same supply and thermal characteristics as OUT A. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input & output | Enables full utilization of 1.6V–16V supply range - no level-shifting required in single-supply sensor interfaces. |
| 1.6V minimum supply voltage | Supports direct operation from depleted alkaline cells or low-VGS MOSFET gate drivers without LDO overhead. |
| 500pF capacitive load drive | Eliminates stability-compromising series resistors in anti-aliasing filter designs feeding SAR ADCs. |
| Phase reversal protection | Prevents output polarity inversion when inputs exceed V– by up to 9V - critical for robustness in industrial transducer interfaces. |
| Input offset voltage drift | 2µV/°C typical - limits total offset drift to <250µV over –40°C to 85°C, enabling uncalibrated 14-bit accuracy. |
Applications
| Portable Gas Monitors | Battery-Powered Environmental Sensors |
|---|---|
Use Scenario: Signal conditioning for electrochemical oxygen sensors (e.g., City Technology 4OX(2)) delivering µA-level currents into high-impedance transimpedance amplifiers. IC Role / Device Role / Timing Role: Dual-channel precision op amp providing first-stage gain and rail-to-rail buffering before 12-bit ADC sampling. Use Value: 1µA supply current per amplifier extends CR2032 battery life beyond 2 years; 500µV offset ensures ±0.1% O₂ measurement accuracy at 1V output. | Use Scenario: Low-power CO₂, humidity, and temperature sensing nodes deployed in remote agricultural or HVAC monitoring systems. IC Role / Device Role / Timing Role: Dual op amp implementing differential sensor excitation and ratiometric reference buffering for MEMS-based transducers. Use Value: 1.6V minimum supply enables direct connection to solar-charged LiFePO₄ cells (2.5–3.6V); rail-to-rail I/O maintains full ADC code utilization across temperature. |
| Micropower Active Filters | Low-Voltage Medical Instrumentation |
Use Scenario: 2nd-order Sallen-Key low-pass filtering for ECG electrode signals in wearable patch monitors. IC Role / Device Role / Timing Role: Dual op amp configured as unity-gain buffer and filter integrator with matched internal offsets. Use Value: 90pA input bias current prevents DC error accumulation in high-R/high-C filter networks; 2kHz GBW ensures <0.1dB passband flatness to 100Hz. | Use Scenario: Front-end amplification for disposable glucose test strips interfacing with Bluetooth LE microcontrollers. IC Role / Device Role / Timing Role: Dual op amp performing current-to-voltage conversion and baseline correction in sub-1.8V powered point-of-care devices. Use Value: Output swing within 100mV of rails preserves 1.2V ADC reference headroom; 1.6µA quiescent current meets ISO 13485 power budget constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX44260ASA+ | Higher supply current (1.8µA vs 1.6µA), wider offset spec (600µV max), same MSOP-8 package. | Validated for automotive AEC-Q100 Grade 2 (–40°C to 105°C), whereas LT6004IMS8#PBF is rated –40°C to 85°C. | Select MAX44260ASA+ for automotive-grade qualification; choose LT6004IMS8#PBF for lower quiescent current and tighter offset in industrial portable designs. |
| OPA333AIDR | Zero-drift architecture (0.02µV/°C drift vs 2µV/°C), higher supply current (17µA), same 8-pin SOIC footprint but larger size than MSOP. | Superior DC precision for calibration-critical instrumentation; not suitable for ultra-low-power (<2µA) applications. | Select OPA333AIDR when long-term offset stability dominates power budget; retain LT6004IMS8#PBF where sub-2µA operation is mandatory. |
Compared with MAX44260ASA+ and OPA333AIDR, LT6004IMS8#PBF delivers the lowest quiescent current among precision dual op amps in MSOP-8, making it optimal for energy-harvesting and coin-cell applications where every nanoamp affects functional lifetime - though it trades zero-drift performance and automotive qualification for that efficiency.
Availability
LT6004IMS8#PBF is available at Aetrix Electronics and suitable for portable gas monitors, battery-powered environmental sensors, and micropower active filters requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LT6004IMS8#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, 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-constrained applications - emphasizing ultra-low supply current, rail-to-rail operation, and guaranteed performance down to 1.6V supply voltage.
FAQ
What is the maximum capacitive load the LT6004IMS8#PBF can drive without external compensation?
The LT6004IMS8#PBF is specified to drive up to 500pF capacitive loads stably without external compensation, as verified in the manufacturer's Typical Performance Characteristics (Figure 22). This capability eliminates series isolation resistors in ADC input filter designs and supports direct connection to long PCB traces or piezoelectric sensor elements. Stability is maintained across –40°C to 85°C and supply voltages from 1.8V to 5V.
Does the LT6004IMS8#PBF support true rail-to-rail input common-mode range?
Yes, the LT6004IMS8#PBF supports true rail-to-rail input common-mode range from V– to V+, achieved via a composite PNP/NPN input stage that automatically switches between top and bottom differential pairs. This is confirmed in the Applications Information section, which states functionality across "the negative supply to the positive supply" and guarantees CMRR ≥60dB over the full range at 1.8V supply.
What is the guaranteed input offset voltage specification for LT6004IMS8#PBF over its operating temperature range?
The LT6004IMS8#PBF has a guaranteed maximum input offset voltage of 500µV over the industrial temperature range of –40°C to 85°C, as specified in the Electrical Characteristics table for LT6004MS8 packages. This value applies under standard test conditions (VS = 1.8V or 5V, VCM = half-supply) and is validated across all production units in this grade.
Can the LT6004IMS8#PBF operate from a single 1.6V supply?
Yes, the LT6004IMS8#PBF is fully specified and guaranteed to operate from a minimum supply voltage of 1.6V, as stated in the Absolute Maximum Ratings and Electrical Characteristics sections. Its PSRR remains ≥78dB and quiescent current stays ≤1.6µA per amplifier at this voltage, enabling direct use with partially discharged primary cells or energy-harvesting storage capacitors.
Is the exposed pad on the LT6004IMS8#PBF package electrically connected, and how should it be handled on the PCB?
The exposed pad on the LT6004IMS8#PBF MSOP package is internally connected to the V– pin (Pin 2) and must be soldered to a PCB copper pour tied to the system ground or negative supply plane. This connection is required for thermal dissipation and noise performance, as noted in the package drawings and Applications Information section - failure to connect it may degrade PSRR and increase junction temperature beyond safe limits.
LT6004IMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- 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:
- 100 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:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6004IMS8#PBF FAQ
1.How can I place an order for LT6004IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6004IMS8#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 LT6004IMS8#PBF reliable?
The price and inventory of LT6004IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6004IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6004IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6004IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6004IMS8#PBF?
LT6004IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6004IMS8#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 LT6004IMS8#PBF?
For technical support, including LT6004IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6004IMS8#PBF requirements.
6.How does Aetrix verify that LT6004IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6004IMS8#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 LT6004IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6004IMS8#PBF?
All LT6004IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6004IMS8#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 LT6004IMS8#PBF part is unused and in its original packaging.
Return procedure for LT6004IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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