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Analog Devices Inc. LTC2057HMS#PBF
- Part No.:
- LTC2057HMS#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2057HMS#PBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 1CIRC 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:112
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Product details
Overview
LTC2057HMS#PBF from Analog Devices (formerly Linear Technology) is a high-voltage, zero-drift operational amplifier optimized for precision DC signal conditioning in demanding industrial and test instrumentation systems. It delivers 4μV max input offset voltage, 0.015μV/°C max drift, 200nVP-P (DC–10Hz) input noise, rail-to-rail output swing, and operates from ±2.375V to ±18V supplies (4.75V–36V total). Its role is low-noise, high-PSRR (>160dB) amplification of microvolt-level sensor signals such as thermocouples and strain gauges.
For engineers reviewing the LTC2057HMS#PBF datasheet, LTC2057HMS#PBF pinout, LTC2057HMS#PBF application, or LTC2057HMS#PBF equivalent, key selection criteria include guaranteed 125°C operation, shutdown control with SDCOM reference, MSOP-8 package thermal performance (θJA = 163°C/W), and compatibility with high-common-mode, low-input-bias-current front ends requiring <1μV drift stability over time and temperature.
Technical Context
The LTC2057HMS#PBF employs auto-zeroing architecture with internal 100kHz chopping frequency to suppress 1/f noise and offset drift. Its input stage includes guarded inputs and charge-injection-mitigated switches, enabling stable bias current below 300pA across –40°C to 125°C.
It integrates a dedicated shutdown circuit referenced to SDCOM, allowing precise enable/disable control independent of supply rails. The amplifier maintains unity-gain stability while delivering 1.5MHz GBW and 0.45V/μs slew rate-sufficient for high-resolution data acquisition settling within microseconds without phase reversal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 4μV maximum - ensures sub-10μV system-level DC error in 16-bit+ measurement paths |
| Offset Drift | 0.015μV/°C maximum - enables stable calibration over wide industrial temperature ranges |
| DC–10Hz Noise | 200nVP-P typical - supports resolution of <1μV signals in slow-scan applications |
| Supply Range | ±2.375V to ±18V (4.75V–36V) - powers directly from standard industrial rails without regulation |
| PSRR / CMRR | 160dB / 150dB typical - rejects power supply ripple and common-mode interference in noisy environments |
| Gain Bandwidth | 1.5MHz typical - provides adequate bandwidth for anti-alias filtering and sensor signal conditioning |
| Shutdown Current | 9μA maximum at 125°C - enables ultra-low-power sleep mode in battery-backed systems |
Pinout & Package
Package: 8-lead plastic MSOP (MS8), 3mm × 3mm body, exposed pad not connected (non-V–), θJA = 163°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (SD) | Shutdown Control Input | Active-high logic input referenced to SDCOM; >2V enables, <0.8V disables amplifier |
| 2 (–IN) | Inverting Input | Differential input node with 3pF capacitance; requires guarding for <1pA leakage paths |
| 3 (+IN) | Non-Inverting Input | Differential input node with 3pF capacitance; supports V– – 0.1V to V+ – 1.5V common-mode range |
| 4 (V–) | Negative Supply Rail | Power connection for negative supply; also connects to exposed pad in DD package (not applicable to MS8) |
| 5 (SDCOM) | Shutdown Reference | Analog reference for SD threshold; must be tied to stable potential between V– and V+ – 2V |
| 6 (OUT) | Amplifier Output | Rail-to-rail output capable of sourcing/sinking 5mA with <435mV drop at 125°C |
| 7 (V+) | Positive Supply Rail | Power connection for positive supply; decoupling required within 1cm for PSRR integrity |
| 8 (NC) | No Internal Connection | Unbonded die pad; must remain floating or grounded per layout guidelines to avoid parasitic coupling |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Eliminates 1/f noise and long-term offset drift - critical for multi-hour calibration stability |
| Rail-to-rail output | Delivers full dynamic range into 1kΩ loads - maximizes ADC utilization in single-supply systems |
| High PSRR (160dB) | Rejects switching regulator noise up to 100kHz - simplifies power supply design in mixed-signal PCBs |
| Shutdown with SDCOM reference | Enables precise, supply-independent enable/disable - avoids false triggering during brown-out conditions |
| 125°C rated operation | Guaranteed parametric performance up to junction temperature - suitable for under-hood or enclosed industrial enclosures |
Applications
| Thermocouple Amplification | Strain Gauge Signal Conditioning |
|---|---|
Use Scenario: Amplifying µV-level Seebeck voltages from K-type thermocouples across –40°C to +1250°C with cold-junction compensation. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with ultra-low offset drift to preserve absolute temperature accuracy. Use Value: Enables ±0.1°C system accuracy without periodic recalibration, leveraging 0.015μV/°C drift and 200nVP-P noise floor. | Use Scenario: Reading Wheatstone bridge outputs from metal foil strain gauges in load cells and pressure transducers. IC Role / Device Role / Timing Role: Low-bias-current, high-CMRR instrumentation front end rejecting bridge excitation noise and EMI. Use Value: Maintains linearity error <0.005% FS by suppressing input bias current-induced offset shifts (<300pA at 125°C). |
| High-Resolution Data Acquisition | Reference Buffering |
Use Scenario: Driving SAR ADC inputs in 24-bit metrology-grade digitizers requiring <1μV input-referred noise. IC Role / Device Role / Timing Role: Low-noise, unity-gain stable buffer isolating precision voltage references from ADC sampling kickback. Use Value: Achieves effective resolution >22 bits via 200nVP-P (DC–10Hz) noise and 150dB CMRR rejection of digital ground bounce. | Use Scenario: Buffering 2.5V or 5V bandgap references for DACs, ADCs, and analog comparators in automated test equipment. IC Role / Device Role / Timing Role: Low-drift, high-PSRR unity-gain follower maintaining reference stability under varying load currents. Use Value: Limits reference voltage error to <10ppm over temperature and supply variation, enabled by 4μV max VOS and 160dB PSRR. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2057CMS8#PBF | Same architecture and specs but rated for –40°C to 85°C only; lower max offset drift (0.012μV/°C typ) | Suitable for commercial-grade instrumentation where extended temperature is not required | Select when cost sensitivity outweighs 125°C requirement and thermal drift margin is acceptable |
| AD8628ARZ | Lower supply range (2.7V–5.5V), higher input bias current (250pA max), no shutdown pin | Better suited for low-voltage, battery-powered portable instruments with simpler power domains | Choose only for single-supply ≤5.5V systems lacking shutdown control needs |
Compared with LTC2057CMS8#PBF, the LTC2057HMS#PBF trades slightly higher quiescent current (1.83mA vs 1.65mA at 125°C) for guaranteed 125°C operation and tighter drift spec; versus AD8628ARZ, it offers 7× wider supply range and integrated shutdown but requires dual-rail design effort.
Availability
LTC2057HMS#PBF is available at Aetrix Electronics and suitable for high-precision test equipment, industrial process controllers, and aerospace-grade sensor interfaces requiring stable component supply across extended temperature and long product lifecycles.
Supply support for LTC2057HMS#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 technologies.
The LTC2057 family was designed specifically for ultra-precision DC signal chains in test and measurement, medical instrumentation, and industrial automation-where offset stability, low noise, and wide supply tolerance are non-negotiable.
FAQ
What is the maximum operating junction temperature for LTC2057HMS#PBF?
The LTC2057HMS#PBF has a maximum junction temperature (TJMAX) of 150°C and is fully specified from –40°C to +125°C ambient. Its MSOP-8 package exhibits θJA = 163°C/W, so proper PCB copper area and airflow are required to maintain TJ ≤ 150°C under full load at 125°C ambient. Derating curves in the datasheet confirm performance compliance across this range.
Does LTC2057HMS#PBF require external capacitors on the SDCOM pin?
No, the LTC2057HMS#PBF does not require external capacitors on the SDCOM pin. SDCOM is an analog reference node that must be connected to a clean, low-impedance potential between V– and V+ – 2V-typically tied to a filtered version of V– or a dedicated reference. Adding capacitance may destabilize the internal shutdown comparator and is not recommended per the datasheet layout guidelines.
Can LTC2057HMS#PBF drive a 10kΩ load with rail-to-rail output swing at 125°C?
Yes, the LTC2057HMS#PBF guarantees rail-to-rail output swing into 10kΩ loads at 125°C. Electrical Characteristics tables specify VOL – V– ≤ 435mV and V+ – VOH ≤ 535mV at ISINK/ISOURCE = 5mA and TA = 125°C. With 10kΩ, output current is <0.5mA, well within linear region-ensuring <10mV headroom from rails under all specified conditions.
How does the shutdown function of LTC2057HMS#PBF behave during power-up?
During power-up, the LTC2057HMS#PBF remains disabled until both V+ and V– reach valid levels and the SD pin exceeds VSDH = 2V relative to SDCOM. The internal power-on reset circuit prevents glitching, and the amplifier enters active mode only after internal biasing stabilizes-typically within 10µs after SD crosses threshold. No external sequencing is required.
Is LTC2057HMS#PBF compatible with lead-free reflow profiles?
Yes, the LTC2057HMS#PBF features a lead-free finish (Pb-free, RoHS-compliant) and is qualified for standard JEDEC J-STD-020D reflow profiles, including peak temperatures up to 260°C for 30 seconds. The MSOP-8 package withstands thermal cycling without delamination or parametric shift, and the datasheet specifies soldering conditions up to 300°C for 10 seconds on leads.
LTC2057HMS#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP
LTC2057HMS#PBF FAQ
1.How can I place an order for LTC2057HMS#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2057HMS#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 LTC2057HMS#PBF reliable?
The price and inventory of LTC2057HMS#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2057HMS#PBF is usually 5 days.
3.What payment methods are accepted for LTC2057HMS#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2057HMS#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2057HMS#PBF?
LTC2057HMS#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2057HMS#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 LTC2057HMS#PBF?
For technical support, including LTC2057HMS#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2057HMS#PBF requirements.
6.How does Aetrix verify that LTC2057HMS#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2057HMS#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 LTC2057HMS#PBF meets industry standards.
7.What is the process for return or replacement of LTC2057HMS#PBF?
All LTC2057HMS#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2057HMS#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 LTC2057HMS#PBF part is unused and in its original packaging.
Return procedure for LTC2057HMS#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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