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Analog Devices Inc. LTC2057HVHDD#TRPBF
- Part No.:
- LTC2057HVHDD#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LTC2057HVHDD#TRPBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 1 CIRC 8DFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,419
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Product details
Overview
LTC2057HVHDD#TRPBF from Analog Devices (formerly Linear Technology) is a high-voltage, zero-drift operational amplifier designed for precision DC signal conditioning in wide-supply industrial and test instrumentation systems. It delivers 4μV max input offset voltage, 0.015μV/°C max drift over –40°C to 125°C, 200nVP-P (DC–10Hz) input noise, rail-to-rail output swing, and operates from ±2.375V to ±30V (4.75V–60V total supply). It is used in thermocouple amplifiers and high-resolution data acquisition front-ends where long-term stability and low 1/f noise are critical.
For engineers reviewing the LTC2057HVHDD#TRPBF datasheet, LTC2057HVHDD#TRPBF pinout, LTC2057HVHDD#TRPBF application, or LTC2057HVHDD#TRPBF equivalent, this page provides verified package mapping (8-lead DFN, 3mm × 3mm), confirmed shutdown functionality (SD/SDCOM pins), validated rail-to-rail output behavior under load, and real-world performance metrics including PSRR (160dB typ), CMRR (150dB typ), and gain-bandwidth (1.5MHz typ).
Technical Context
The LTC2057HVHDD#TRPBF employs auto-zeroing with internal chopping at 100kHz to suppress DC offset and 1/f noise while minimizing switching artifacts-ripple at 100kHz is typically <1µVRMS. Its input common mode range extends from V– – 0.1V to V+ – 1.5V, enabling true single-supply operation with ground-referenced inputs.
It integrates a dedicated shutdown control architecture with SD and SDCOM pins, allowing independent biasing of the shutdown reference node. The amplifier remains unity-gain stable and supports both inverting and non-inverting configurations without external compensation, with rising/falling slew rates of 1.3V/μs and 0.45V/μs respectively under AV = –1, RL = 10kΩ.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.75V to 60V total - supports high-voltage industrial rails up to ±30V without derating. |
| Input Offset Voltage (Max) | 4μV - enables sub-10ppm accuracy in 16-bit+ data acquisition without calibration. |
| Offset Drift (Max) | 0.015μV/°C - ensures <0.75μV total drift across –40°C to 125°C operating range. |
| Input Noise (DC–10Hz) | 200nVP-P - preserves resolution in low-frequency sensor interfaces like strain gauges. |
| Gain-Bandwidth Product | 1.5MHz (typ) - sufficient for closed-loop gains up to ~150 at 10kHz while maintaining phase margin. |
| PSRR / CMRR | 160dB / 150dB (typ) - rejects power supply ripple and common-mode interference in noisy environments. |
| Shutdown Current | 9μA (max at 125°C) - reduces system standby power in battery-backed or energy-sensitive applications. |
Pinout & Package
Package: 8-lead plastic DFN (3mm × 3mm), exposed pad (Pin 9) connected to V–; requires PCB thermal pad connection per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1: SD | Shutdown control input | Active-high enable; threshold is 0.8V (low) / 2.0V (high); referenced to SDCOM. |
| Pin 2: –IN | Inverting input | Differential input node with 3pF differential capacitance; supports V– – 0.1V to V+ – 1.5V common mode. |
| Pin 3: +IN | Non-inverting input | Differential input node with 3pF common-mode capacitance; matched bias current to –IN. |
| Pin 4: V– | Negative supply rail | Primary ground reference; exposed pad (Pin 9) is electrically tied to V– and must be soldered. |
| Pin 5: SDCOM | Shutdown reference | Reference node for SD pin; valid range is V– to V+ – 2V; must be externally biased. |
| Pin 6: V+ | Positive supply rail | Supports up to +60V relative to V–; PSRR remains >136dB across full 4.75V–60V range. |
| Pin 7: OUT | Amplifier output | Rail-to-rail capable; delivers 26mA short-circuit current; swings within 15mV of rails at 5mA load. |
| Pin 8: NC | No internal connection | Unbonded die pad; must be left floating or grounded per layout guidelines - no electrical function. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Auto-zeroing + chopping eliminates 1/f noise and guarantees <0.015μV/°C drift - critical for unattended measurement systems. |
| Rail-to-rail output | Swings to within 15mV of V+ and V– at 5mA load - maximizes dynamic range in single-supply sensor interfaces. |
| High-voltage operation | 60V total supply rating (LTC2057HV variant) - enables direct interfacing with ±24V PLC I/O and industrial transducers. |
| Ultra-low input bias current | 200pA max at 125°C - prevents significant voltage error across high-impedance sources (>10MΩ) in precision bridges. |
| Dedicated shutdown control | Separate SD and SDCOM pins allow flexible power sequencing and isolated enable logic in multi-rail systems. |
| 100kHz internal chopping | Chopping frequency fixed at 100kHz with suppressed harmonics (<1µVRMS) - avoids aliasing into baseband in sampled systems. |
Applications
| Thermocouple Amplification | Strain Gauge Signal Conditioning |
|---|---|
|
Use Scenario: Amplifying µV-level Seebeck voltages from K-type thermocouples across –40°C to 125°C ambient. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end with cold-junction compensation interface. Use Value: 4μV max offset and 0.015μV/°C drift ensure <0.1°C absolute accuracy without periodic recalibration. |
Use Scenario: Reading mV-level bridge outputs from metal foil strain gauges in load cells and pressure sensors. IC Role / Device Role / Timing Role: Low-noise, high-PSRR gain stage driving 16-bit SAR ADCs in structural health monitoring. Use Value: 200nVP-P (DC–10Hz) noise and 160dB PSRR reject EMI from nearby motor drives and switching supplies. |
| High-Resolution Data Acquisition | Automotive Battery Monitoring |
|
Use Scenario: Front-end amplifier in portable multimeters and benchtop DMMs requiring 6½-digit resolution. IC Role / Device Role / Timing Role: Zero-drift buffer and gain stage preceding ΣΔ ADCs with programmable gain. Use Value: Long-term offset stability enables >24-hour unattended logging with <1ppm drift contribution. |
Use Scenario: Cell voltage monitoring in 12S–16S Li-ion battery packs with wide temperature range requirements. IC Role / Device Role / Timing Role: High-common-mode rejection amplifier for differential cell sensing in noisy automotive environments. Use Value: 150dB CMRR and –40°C to 125°C guaranteed operation support ASIL-B functional safety compliance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8628ARZ | Lower supply range (2.7V–36V), 1μV max offset, but only rated to 85°C; no shutdown pin. | Suitable for commercial-grade portable instruments; lacks high-temp and HV capability. | Select when cost sensitivity outweighs extended temperature and voltage requirements. |
| OPA189IDBVR | Wider GBW (10MHz), lower noise (4.2nV/√Hz @1kHz), but 6μV max offset and no shutdown. | Better for AC-coupled, higher-bandwidth applications like audio preamps; not optimized for ultra-low DC drift. | Choose when bandwidth and spectral noise dominate over long-term DC stability. |
Compared with AD8628ARZ and OPA189IDBVR, the LTC2057HVHDD#TRPBF uniquely combines 60V supply tolerance, –40°C to 125°C operation, integrated shutdown, and sub-μV-level drift - making it the only option qualified for high-voltage, high-reliability industrial DAQ front-ends requiring zero maintenance calibration.
Availability
LTC2057HVHDD#TRPBF is available at Aetrix Electronics and suitable for high-precision data acquisition, thermocouple amplification, and automotive battery monitoring requiring stable component supply across extended temperature and voltage ranges.
Supply support for LTC2057HVHDD#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 acquired Linear Technology in 2017 and maintains its precision analog portfolio with rigorous qualification standards for industrial and automotive use.
The LTC2057HV series belongs to Linear's zero-drift op-amp product line, engineered specifically for DC-accurate signal conditioning in harsh environments where thermal drift, supply noise, and long-term stability directly impact measurement integrity.
FAQ
What is the maximum supply voltage rating for the LTC2057HVHDD#TRPBF?
The LTC2057HVHDD#TRPBF has an absolute maximum total supply voltage of 65V (V+ to V–), with a recommended operating range of 4.75V to 60V. This high-voltage capability distinguishes it from the standard LTC2057 (40V max) and enables direct use in ±24V and ±30V industrial systems without external level-shifting circuitry.
Does the LTC2057HVHDD#TRPBF support true rail-to-rail input common mode?
No - the LTC2057HVHDD#TRPBF supports an input common mode range from V– – 0.1V to V+ – 1.5V, which includes the negative rail but excludes the positive rail by 1.5V. However, its rail-to-rail output stage delivers full swing from V– to V+, making it ideal for single-supply configurations where the input signal stays near ground.
How does the shutdown feature of the LTC2057HVHDD#TRPBF work?
The LTC2057HVHDD#TRPBF uses two dedicated pins - SD (shutdown control) and SDCOM (shutdown reference) - to implement a differential enable scheme. Shutdown activates when SD – SDCOM exceeds 2.0V; the SDCOM pin must be externally biased within V– to V+ – 2V. This architecture isolates shutdown logic from supply rail fluctuations, improving robustness in multi-rail systems.
What is the typical input voltage noise density of the LTC2057HVHDD#TRPBF at 1kHz?
The LTC2057HVHDD#TRPBF exhibits a typical input voltage noise spectral density of 13nV/√Hz at 1kHz, as specified in the LTC2057HV electrical characteristics table (page 6). This value reflects the combined effect of its chopper-stabilized core and input-stage design, optimized for low-frequency precision rather than wideband noise performance.
Is the LTC2057HVHDD#TRPBF pin-compatible with other packages in the LTC2057 family?
No - the LTC2057HVHDD#TRPBF uses the 8-lead DFN (DD) package with exposed V– pad (Pin 9), whereas MS8, S8, and MS10 variants have different pinouts and terminal assignments. For example, the MS10 package includes GRD and dual NC pins not present in DD, and SDCOM is located on Pin 8 in DD but Pin 9 in MS10. Board redesign is required when changing packages.
LTC2057HVHDD#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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):
- 60 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-DFN (3x3)
LTC2057HVHDD#TRPBF FAQ
1.How can I place an order for LTC2057HVHDD#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2057HVHDD#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 LTC2057HVHDD#TRPBF reliable?
The price and inventory of LTC2057HVHDD#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2057HVHDD#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2057HVHDD#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2057HVHDD#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2057HVHDD#TRPBF?
LTC2057HVHDD#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2057HVHDD#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 LTC2057HVHDD#TRPBF?
For technical support, including LTC2057HVHDD#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2057HVHDD#TRPBF requirements.
6.How does Aetrix verify that LTC2057HVHDD#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2057HVHDD#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 LTC2057HVHDD#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2057HVHDD#TRPBF?
All LTC2057HVHDD#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2057HVHDD#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 LTC2057HVHDD#TRPBF part is unused and in its original packaging.
Return procedure for LTC2057HVHDD#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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