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Analog Devices Inc. LTC2064IMS8#TRPBF
- Part No.:
- LTC2064IMS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2064IMS8#TRPBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 2 CIRC 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:6,988
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Product details
Overview
LTC2064IMS8#TRPBF from Analog Devices is a dual, micropower, zero-drift operational amplifier in an 8-lead MSOP package, designed for ultra-low-power precision signal conditioning. It delivers 2 µA maximum supply current per amplifier, 5 µV max input offset voltage, and 0.02 µV/°C max offset drift - enabling high-resolution sensor interfacing in energy-constrained systems such as wireless gas sensors and portable medical monitors.
For engineers reviewing the LTC2064IMS8#TRPBF datasheet, LTC2064IMS8#TRPBF pinout, LTC2064IMS8#TRPBF application, or LTC2064IMS8#TRPBF equivalent, key selection criteria include its rail-to-rail I/O, 1.7–5.25 V supply range, integrated EMI filter (114 dB rejection at 1.8 GHz), shutdown mode (≤170 nA per amp), and guaranteed performance over –40°C to 85°C.
Technical Context
The LTC2064IMS8#TRPBF employs auto-zeroing and chopper-stabilized architecture to achieve near-zero DC errors while maintaining continuous-time operation across its 20 kHz bandwidth. Its internal 5 kHz chopping frequency is suppressed to eliminate idle tones, and the integrated EMI filter ensures robustness against RF interference in noisy industrial or wireless environments.
Each amplifier features independent shutdown control via the SHDN pin (logic-high threshold ≥1.8 V referenced to V–), low-charge power-up (<2 ms turn-on time), and rail-to-rail input/output swing - supporting single-supply operation down to 1.7 V with minimal headroom loss. Input bias current remains ≤20 pA at 25°C and ≤100 pA over full temperature range, enabling use with multi-MΩ feedback networks without significant error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Current | 2 µA max per amplifier - enables multi-year battery life in duty-cycled IoT sensor nodes. |
| Input Offset Voltage | 5 µV max - supports sub-100 µV measurement accuracy without calibration. |
| Offset Drift | 0.02 µV/°C max - maintains stability across wide ambient temperature swings. |
| Input Bias Current | 20 pA max at 25°C; 100 pA max over –40°C to 125°C - permits high-impedance transducer interfacing. |
| EMI Rejection | 114 dB at 1.8 GHz - suppresses cellular/WiFi interference in compact PCB layouts. |
| Shutdown Current | 170 nA max per amplifier - reduces system quiescent power by >99% during sleep cycles. |
| Gain Bandwidth | 20 kHz - sufficient for DC-coupled thermocouple, strain gauge, and electrochemical sensor signals. |
| Supply Range | 1.7 V to 5.25 V - compatible with coin cells, Li-SOCl₂, and regulated 3.3 V/5 V rails. |
Pinout & Package
Package: 8-lead MSOP (MS8), 3.0 mm × 3.0 mm × 0.85 mm, exposed pad connected to V– for thermal and noise performance.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | +INA | Noninverting input of Amplifier A - high-impedance node requiring guard ring layout. |
| 2 | –INA | Inverting input of Amplifier A - sensitive to clock feedthrough; matched impedance critical. |
| 3 | OUTA | Output of Amplifier A - rail-to-rail swing supports direct ADC interface without level-shifting. |
| 4 | V– | Negative supply rail - must be connected to ground or negative rail; exposed pad tied here. |
| 5 | V+ | Positive supply rail - requires local 100 nF ceramic bypass capacitor to ground. |
| 6 | +INB | Noninverting input of Amplifier B - electrically isolated from Amplifier A; no crosstalk path. |
| 7 | –INB | Inverting input of Amplifier B - independent bias current path; no shared substrate coupling. |
| 8 | SHDN | Shutdown control input - logic-high (>1.8 V) enables both amplifiers; logic-low disables both. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Eliminates 1/f noise and drift-induced baseline wander in long-duration measurements. |
| Rail-to-rail I/O | Enables full dynamic range utilization on 1.8 V supplies - critical for low-voltage energy harvesting. |
| Integrated EMI filter | Reduces need for external RF filtering components, saving board space and BOM cost. |
| Low-charge power-up | Minimizes output glitch and settling delay during wake-up - avoids false triggers in event-driven systems. |
| Dual independent amplifiers | Allows simultaneous signal conditioning paths (e.g., sensor + reference channel) in one package. |
| Specified –40°C to 85°C | Guarantees parametric performance across industrial ambient conditions without derating. |
Applications
| Oxygen Sensor Signal Conditioning | Wireless Temperature Node |
|---|---|
|
Use Scenario: Amplifying microamp-level current from electrochemical oxygen sensors (e.g., City Technology 40XV) with <1 µA total system supply budget. IC Role / Device Role / Timing Role: Precision transimpedance amplifier with shutdown synchronized to radio transmit intervals. Use Value: 2 µA operating current and 170 nA shutdown current extend coin-cell lifetime beyond 5 years in 1-min sampling interval. |
Use Scenario: Cold-junction compensation and linearization of thermocouple outputs in battery-powered HVAC sensors. IC Role / Device Role / Timing Role: Low-drift instrumentation amplifier front-end with rail-to-rail output driving 12-bit SAR ADC. Use Value: 0.02 µV/°C drift ensures <0.1°C measurement error over –20°C to 60°C ambient range without software correction. |
| Portable ECG Front-End | Energy-Harvesting Gas Detector |
|
Use Scenario: Amplifying mV-level biopotential signals from dry electrodes with minimal power and noise. IC Role / Device Role / Timing Role: First-stage gain block with high CMRR (111 dB) and EMI rejection to suppress 50/60 Hz and RF interference. Use Value: 5 µV max offset eliminates baseline correction circuitry; 230 nV/√Hz input noise preserves SNR in 0.05–150 Hz band. |
Use Scenario: Signal conditioning for metal-oxide semiconductor (MOS) gas sensors powered by solar-harvested energy. IC Role / Device Role / Timing Role: Low-power buffer and filter stage between sensor element and ultra-low-power MCU ADC. Use Value: 1.7 V minimum supply allows operation directly from harvested voltage without LDO - reducing conversion loss by ~15%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8532ARMZ | Higher supply current (450 µA vs 2 µA); no shutdown; 6 µV offset; 0.1 µV/°C drift. | Not suitable for multi-year battery operation; better for AC-coupled, higher-speed applications. | Select only if bandwidth >100 kHz or drive capability >20 mA is required - not a low-power substitute. |
| MAX44267ASA+ | Similar 1.8 µA supply current; 3 µV offset; but no integrated EMI filter; 0.05 µV/°C drift. | Lacks RF immunity - requires external ferrite beads or LC filters in cellular/WiFi proximity. | Prefer when EMI environment is benign and tighter initial offset is prioritized over RF robustness. |
Compared with AD8532ARMZ and MAX44267ASA+, the LTC2064IMS8#TRPBF uniquely combines sub-2 µA operation, 114 dB EMI rejection, and 0.02 µV/°C drift - making it the only option qualified for decade-long deployments in unshielded, RF-dense, battery-limited edge sensors.
Availability
LTC2064IMS8#TRPBF is available at Aetrix Electronics and suitable for wireless sensor networks, portable medical diagnostics, and energy-harvesting environmental monitors requiring stable component supply across extended product lifecycles.
Supply support for LTC2064IMS8#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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors for precision measurement and control.
The LTC2064IMS8#TRPBF belongs to the LTC® micropower zero-drift op-amp family, engineered specifically for ultra-low-power, high-accuracy signal chains in battery- and energy-harvesting–powered instrumentation.
FAQ
What is the maximum operating temperature range specified for the LTC2064IMS8#TRPBF?
The LTC2064IMS8#TRPBF is characterized and guaranteed over the –40°C to +85°C industrial temperature range. This specification covers all key parameters including input offset voltage, drift, supply current, and EMI rejection - ensuring reliable performance in outdoor sensor enclosures and factory-floor equipment without thermal derating.
Does the LTC2064IMS8#TRPBF support true rail-to-rail input and output operation?
Yes, the LTC2064IMS8#TRPBF supports rail-to-rail input common-mode range (from V– – 0.1 V to V+ + 0.1 V) and rail-to-rail output swing (within 0.15 mV of V+ and 0.1 mV of V– at light load). This enables direct interfacing with 1.8 V ADCs and eliminates level-shifting circuitry in low-voltage designs using the LTC2064IMS8#TRPBF.
How does the shutdown feature of the LTC2064IMS8#TRPBF behave during power-up?
The LTC2064IMS8#TRPBF features low-charge power-up: when SHDN transitions from low to high, supply current rises to full operation within 2 ms and output settles with minimal overshoot. This behavior prevents disruptive transients in precision sensor systems - a critical design advantage over conventional op-amps where the LTC2064IMS8#TRPBF's controlled enable sequence avoids false readings during wake-up.
Can the LTC2064IMS8#TRPBF be used with high-value feedback resistors without degrading accuracy?
Yes - the LTC2064IMS8#TRPBF's maximum input bias current of 20 pA at 25°C and 100 pA over temperature enables stable operation with feedback resistors up to 10 MΩ. Combined with its 5 µV max offset, this allows precision transimpedance gains >1 V/nA while maintaining sub-µV output error - a capability confirmed in actual oxygen sensor reference designs using the LTC2064IMS8#TRPBF.
Is the MS8 package of the LTC2064IMS8#TRPBF RoHS-compliant and lead-free?
Yes, the LTC2064IMS8#TRPBF carries the #TRPBF suffix, indicating it is RoHS- and WEEE-compliant with 100% matte tin lead finish. The 8-lead MSOP package meets JEDEC standards for moisture sensitivity level (MSL) 1 and is qualified for reflow soldering per IPC/JEDEC J-STD-020.
LTC2064IMS8#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:
- Zero-Drift
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.0035V/µs
- Gain Bandwidth Product:
- 20 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 3 pA
- Voltage - Input Offset:
- 1 µV
- Current - Supply:
- 1.4µA (x2 Channels)
- Current - Output / Channel:
- 51 mA
- Voltage - Supply Span (Min):
- 1.7 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC2064IMS8#TRPBF FAQ
1.How can I place an order for LTC2064IMS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2064IMS8#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 LTC2064IMS8#TRPBF reliable?
The price and inventory of LTC2064IMS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2064IMS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2064IMS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2064IMS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2064IMS8#TRPBF?
LTC2064IMS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2064IMS8#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 LTC2064IMS8#TRPBF?
For technical support, including LTC2064IMS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2064IMS8#TRPBF requirements.
6.How does Aetrix verify that LTC2064IMS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2064IMS8#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 LTC2064IMS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2064IMS8#TRPBF?
All LTC2064IMS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2064IMS8#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 LTC2064IMS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC2064IMS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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