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Analog Devices Inc. LTC2057IMS8#PBF
- Part No.:
- LTC2057IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2057IMS8#PBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 1 CIRC 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,375
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Product details
Overview
LTC2057IMS8#PBF from Analog Devices (formerly Linear Technology) is a high-voltage, low-noise, zero-drift operational amplifier in an 8-lead MSOP package, delivering 4μV max input offset voltage, 0.015μV/°C max drift, and 200nVP-P DC–10Hz input noise. It operates from ±2.375V to ±18V supplies (4.75V–36V total), features rail-to-rail output, and supports precision instrumentation in thermocouple amplifiers and high-resolution data acquisition.
For engineers reviewing the LTC2057IMS8#PBF datasheet, LTC2057IMS8#PBF pinout, LTC2057IMS8#PBF application, or LTC2057IMS8#PBF equivalent, key selection criteria include its guaranteed 1.5MHz gain-bandwidth, 0.45V/μs slew rate, 150dB typical CMRR, shutdown mode with 3μA quiescent current, and V–-rail-inclusive input common-mode range (V– – 0.1V to V+ – 1.5V).
Technical Context
The LTC2057IMS8#PBF employs auto-zeroing and chopper stabilization to suppress 1/f noise and offset drift, achieving sub-microvolt DC precision over temperature and time. Its internal 100kHz chopping frequency is actively suppressed to minimize ripple artifacts-typical output ripple at 100kHz is <1μVRMS.
It integrates dual-stage correction: a primary chopper loop for continuous offset nulling and a secondary auto-zero path for low-frequency error correction. The architecture enables unity-gain stability, rail-to-rail output swing (within 10mV of rails at 1mA load), and robust PSRR (160dB typical) across its full 4.75V–36V supply range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 4μV maximum - ensures ≤1 LSB error in 20-bit systems with 5V full-scale range. |
| Offset Drift | 0.015μV/°C maximum - guarantees <0.2μV total drift over –40°C to 85°C industrial range. |
| DC–10Hz Noise | 200nVP-P typical - enables stable DC measurements without significant low-frequency interference. |
| Gain-Bandwidth | 1.5MHz typical - supports closed-loop gains up to 150 at 10kHz while maintaining phase margin. |
| Slew Rate | 0.45V/μs typical - allows 10V step response settling in <25μs with minimal overshoot. |
| PSRR / CMRR | 160dB / 150dB typical - rejects >100 million-fold supply and common-mode interference at DC. |
| Supply Range | 4.75V to 36V - compatible with single-supply 5V/12V/24V and split-supply ±2.375V to ±18V systems. |
Pinout & Package
8-lead plastic MSOP (MS8) package, 3mm × 3mm body, 0.65mm lead pitch. Exposed pad not present; thermal resistance θJA = 163°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: SD | Shutdown control input | Active-high logic: drives amplifier into 3μA shutdown when SD–SDCOM ≥ 2V; enables fast power cycling. |
| 2: –IN | Inverting input | Differential input node with 3pF differential capacitance; supports V– – 0.1V to V+ – 1.5V common-mode range. |
| 3: +IN | Non-inverting input | Differential input node with 3pF common-mode capacitance; matched bias current to –IN (≤60pA mismatch). |
| 4: V– | Negative supply rail | Primary ground reference for internal circuitry; must be connected before signal inputs to avoid latch-up. |
| 5: SDCOM | Shutdown reference | Reference point for SD threshold; internally biased at V–; defines 0.8V/2.0V shutdown hysteresis window. |
| 6: V+ | Positive supply rail | Supports up to +36V; PSRR remains >133dB across full 4.75V–36V range. |
| 7: OUT | Amplifier output | Rail-to-rail capable: sources 5mA within 75mV of V+, sinks 5mA within 100mV of V– at 25°C. |
| 8: NC | No internal connection | Unbonded die pad; electrically isolated; no routing or grounding required. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Combines chopper stabilization and auto-zeroing to eliminate 1/f noise and achieve <0.015μV/°C drift - critical for long-term sensor calibration stability. |
| Rail-to-rail output | Delivers full dynamic range in single-supply systems: swings to within 10mV of V+ and V– at light loads - maximizes ADC utilization in 3.3V/5V data loggers. |
| V–-rail-inclusive input | Accepts signals down to V– – 0.1V - enables direct interfacing with low-side current-sense shunts without level-shifting. |
| High PSRR/CMRR | 160dB PSRR and 150dB CMRR ensure immunity to noisy power rails and EMI-coupled common-mode transients in industrial PLC I/O modules. |
| Shutdown mode | Reduces supply current to 3μA typical - extends battery life in portable instrumentation and enables on-demand wake-up in IoT sensor nodes. |
Applications
| Thermocouple Amplification | High-Resolution Data Acquisition |
|---|---|
Use Scenario: Amplifying μV-level thermocouple outputs (e.g., Type K, ~41μV/°C) in industrial furnace controllers with ambient temperature ranging from –40°C to 85°C. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end, rejecting cold-junction compensation errors and 50/60Hz line noise. Use Value: 4μV max offset and 0.015μV/°C drift enable ±0.3°C measurement accuracy over full temperature range without recalibration. | Use Scenario: Front-end conditioning for 20-bit SAR ADCs in automated test equipment requiring <1 LSB integral nonlinearity error. IC Role / Device Role / Timing Role: Low-noise, low-drift buffer and gain stage driving ADC reference and input channels. Use Value: 200nVP-P DC–10Hz noise and 150dB CMRR preserve SNR >118dB, enabling full 20-bit ENOB performance. |
| Electronic Scales | Low-Side Current Sensing |
Use Scenario: Strain gauge bridge signal conditioning in commercial weighing platforms with 10,000-count resolution and temperature compensation. IC Role / Device Role / Timing Role: Ultra-stable difference amplifier with programmable gain, rejecting bridge excitation ripple and thermal EMFs. Use Value: Sub-μV offset drift ensures <0.01% full-scale error stability over 12-month calibration interval. | Use Scenario: Monitoring motor phase current in 24V BLDC drives using 5mΩ shunt resistors, where sensed voltage ranges from 0–125mV. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail input/output op-amp configured as differential amplifier with V–-referenced common-mode input. Use Value: V– – 0.1V input capability eliminates need for negative supply or level shifters - reduces BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2057HMS8#PBF | Same architecture and pinout; rated for –40°C to 125°C operating range vs. –40°C to 85°C for LTC2057IMS8#PBF. | Required for under-hood automotive or high-temp industrial environments where junction temperatures exceed 85°C. | Select LTC2057HMS8#PBF when extended temperature qualification is mandatory; otherwise LTC2057IMS8#PBF offers identical performance at lower cost. |
| AD8628ARZ | Lower supply range (2.7V–5.5V), lower GBW (2.5MHz), higher input bias current (25pA typ), no shutdown function. | Suitable only for low-voltage, low-power portable sensors-not for 24V industrial systems or applications requiring shutdown. | Choose AD8628ARZ only for battery-powered, single-supply ≤5.5V designs where shutdown and wide supply are unnecessary. |
Compared with LTC2057HMS8#PBF, the LTC2057IMS8#PBF trades extended temperature rating for cost efficiency in standard industrial environments; compared with AD8628ARZ, it delivers 7× wider supply range, integrated shutdown, and superior DC precision-making it irreplaceable in high-dynamic-range, multi-rail instrumentation.
Availability
LTC2057IMS8#PBF is available at Aetrix Electronics and suitable for high-precision instrumentation, thermocouple amplification, and electronic scales requiring stable component supply across extended production lifecycles.
Supply support for LTC2057IMS8#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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC2057 series belongs to Linear's precision zero-drift op-amp product line, engineered specifically for DC-critical applications demanding ultra-low offset, near-zero drift, and low 1/f noise in harsh electrical and thermal environments.
FAQ
What is the maximum input offset voltage specification for LTC2057IMS8#PBF?
The maximum input offset voltage for LTC2057IMS8#PBF is 4μV across the full –40°C to 85°C operating temperature range, as specified in the Absolute Maximum Ratings table of the official datasheet. This value is guaranteed by design and verified during production testing, making LTC2057IMS8#PBF suitable for applications requiring sub-microvolt DC accuracy such as 20-bit data acquisition systems.
Does LTC2057IMS8#PBF support rail-to-rail input operation?
No, LTC2057IMS8#PBF does not support full rail-to-rail input. Its input common-mode range is specified as V– – 0.1V to V+ – 1.5V, meaning it accepts signals slightly below V– but cannot reach V+. However, this V–-rail-inclusive range enables direct low-side current sensing without level-shifting circuitry - a key advantage over standard rail-to-rail input op-amps that require both rails to be referenced.
What is the shutdown current consumption of LTC2057IMS8#PBF?
In shutdown mode, LTC2057IMS8#PBF draws 3μA typical supply current at 25°C, with a maximum of 9μA over the –40°C to 125°C range. This ultra-low quiescent current is achieved by disabling the internal chopper and auto-zero circuits while retaining fast wake-up capability - ideal for battery-powered instrumentation where duty-cycled operation is used to extend service life.
Can LTC2057IMS8#PBF operate from a single 5V supply?
Yes, LTC2057IMS8#PBF is fully functional with a single 5V supply (V+ = 5V, V– = 0V). Its input common-mode range extends to V– – 0.1V (–0.1V) and V+ – 1.5V (3.5V), and its rail-to-rail output swings within 10mV of both rails at light loads. This makes LTC2057IMS8#PBF well-suited for single-supply sensor interfaces, including bridge amplifiers and precision references in 5V microcontroller-based systems.
What is the internal chopping frequency of LTC2057IMS8#PBF?
The internal chopping frequency of LTC2057IMS8#PBF is 100kHz, as confirmed in the Electrical Characteristics tables on pages 4–6 of the datasheet. Unlike basic chopper amplifiers, LTC2057IMS8#PBF incorporates active ripple suppression circuitry that reduces residual artifacts at this frequency to <1μVRMS, preventing interference with downstream signal processing or ADC sampling in sensitive measurement applications.
LTC2057IMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.45V/µs
- Gain Bandwidth Product:
- 1.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 0.5 µV
- Current - Supply:
- 900µA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4.75 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC2057IMS8#PBF FAQ
1.How can I place an order for LTC2057IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2057IMS8#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 LTC2057IMS8#PBF reliable?
The price and inventory of LTC2057IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2057IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LTC2057IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2057IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2057IMS8#PBF?
LTC2057IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2057IMS8#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 LTC2057IMS8#PBF?
For technical support, including LTC2057IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2057IMS8#PBF requirements.
6.How does Aetrix verify that LTC2057IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2057IMS8#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 LTC2057IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LTC2057IMS8#PBF?
All LTC2057IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2057IMS8#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 LTC2057IMS8#PBF part is unused and in its original packaging.
Return procedure for LTC2057IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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