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Analog Devices Inc. LTC2058IMSE#PBF
- Part No.:
- LTC2058IMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC2058IMSE#PBF.pdf
- Description:
- IC OPAMP ZERO-DRIFT 2CIRC 12MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:191
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Product details
Overview
LTC2058IMSE#PBF from Analog Devices is a dual, low-noise, zero-drift operational amplifier optimized for precision DC signal conditioning in high-dynamic-range systems. It delivers 5μV max input offset voltage, 0.025μV/°C max drift, 200nVP-P (DC–10Hz) input noise, and rail-to-rail output swing across a 4.75V to 36V supply range - enabling accurate thermocouple amplification and strain gauge interfacing in industrial instrumentation.
For engineers reviewing the LTC2058IMSE#PBF datasheet, LTC2058IMSE#PBF pinout, LTC2058IMSE#PBF application, or LTC2058IMSE#PBF equivalent, key selection criteria include guaranteed –40°C to 85°C operation, shutdown mode with SD/SDCOM control, 150dB PSRR/CMRR, and MSOP-12 package compatibility with guard ring routing for low-leakage sensor front-ends.
Technical Context
The LTC2058IMSE#PBF employs auto-zeroing and chopper stabilization to suppress 1/f noise and offset drift, achieving sub-microvolt DC precision without external trimming. Its internal 100kHz chopping frequency is actively suppressed to minimize ripple - typical output ripple is <1μVRMS at 100kHz - and its dual-channel architecture shares no internal coupling that would compromise channel-to-channel isolation.
It integrates dedicated shutdown circuitry accessible only in the MSE package (pins SD and SDCOM), enabling independent power gating per device while maintaining V– referenced exposed pad grounding. Input common mode extends to V– – 0.1V, supporting true single-supply low-side current sensing with ground-referenced inputs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 4.75V to 36V - supports direct connection to industrial 24V rails and battery-powered portable test equipment without regulation. |
| Offset Voltage | 5μV max - enables <1 LSB error in 20-bit data acquisition systems with ±10V full-scale range. |
| Offset Drift | 0.025μV/°C max - ensures <0.5μV total drift over –40°C to 85°C ambient, critical for uncalibrated field instruments. |
| Noise (DC–10Hz) | 200nVP-P typ - allows resolution of sub-μV sensor signals (e.g., thermopile outputs) without additional filtering. |
| Gain Bandwidth | 2.5MHz typ - provides stable closed-loop gain up to 100× at 25kHz, sufficient for anti-aliasing and active filter stages. |
| PSRR / CMRR | 150dB typ - rejects >100dB of power supply ripple and common-mode interference in noisy factory environments. |
| Shutdown Current | 5μA max at 85°C - reduces system standby power by >99% versus active operation (1.45mA), extending battery life. |
Pinout & Package
Package: 12-lead plastic MSOP (MSE) with exposed thermal pad connected to V–. Pin 13 (exposed pad) must be soldered to PCB ground plane for thermal and electrical stability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| SD (Pin 1) | Shutdown enable input | Active-high control: drives amplifier into ultra-low-current state when SD–SDCOM ≥ 2V; requires external reference at SDCOM. |
| V– (Pin 2) | Negative supply rail | Reference node for all internal circuitry; exposed pad (Pin 13) is electrically tied to this pin and must be grounded. |
| OUTA (Pin 3) | Amplifier A output | Rail-to-rail capable: swings within 15mV of V– and 18mV of V+ at 1mA load, enabling full dynamic range utilization. |
| GUARD (Pin 4) | Guard ring terminal | No internal connection; routed around sensitive input traces to reduce leakage current and EMI pickup in high-Z sensor paths. |
| –INA (Pin 5) | Amp A inverting input | Accepts input common mode down to V– – 0.1V - supports direct connection to shunt resistors in low-side current sensing. |
| +INA (Pin 6) | Amp A noninverting input | Matches –INA in bias current and impedance; paired routing required to cancel thermoelectric EMF errors. |
| +INB (Pin 7) | Amp B noninverting input | Electrically isolated from Amp A inputs; enables dual-path signal conditioning (e.g., signal + reference buffer) on one die. |
| –INB (Pin 8) | Amp B inverting input | Same DC specs as –INA; independent offset and drift characteristics allow matched-pair calibration strategies. |
| GUARD/NC (Pin 9) | Guard ring / no connect | Unused second guard terminal; left floating or tied to same guard net as Pin 4 to enhance shielding symmetry. |
| OUTB (Pin 10) | Amplifier B output | Identical AC/DC performance to OUTA; supports independent gain stages without cross-talk degradation (crosstalk < –100dB). |
| V+ (Pin 11) | Positive supply rail | Supports up to 36V; PSRR remains >140dB across full 4.75–36V range, eliminating need for local LDO filtering. |
| SDCOM (Pin 12) | Shutdown reference | Defines logic threshold for SD pin; must be biased between V– and V+ – 2V - typically tied to V– or mid-rail via resistor divider. |
Key Features
| Feature | Design Value |
|---|---|
| Zero-drift architecture | Auto-zeroing + chopper stabilization eliminates 1/f noise and achieves 0.025μV/°C drift - removes need for periodic recalibration in lab-grade equipment. |
| Rail-to-rail output | Swings to within 15mV of both rails at 1mA load - maximizes ADC utilization in single-supply 3.3V/5V microcontroller systems. |
| Input common mode to V– | Operates with inputs at V– – 0.1V - enables direct interface to ground-referenced current shunts and bridge sensors without level-shifting. |
| Dual independent amplifiers | Two matched channels on one die with < –100dB crosstalk - reduces board area and component count vs discrete op-amp solutions. |
| Integrated shutdown control | Dedicated SD/SDCOM pins reduce standby current to 5μA - simplifies power sequencing in battery-powered portable analyzers. |
| 150dB PSRR/CMRR | Maintains precision in electrically noisy environments (e.g., motor drives, PLC backplanes) without external filtering components. |
Applications
| Thermocouple Amplification | Strain Gauge Signal Conditioning |
|---|---|
|
Use Scenario: Amplifying μV-level Seebeck voltages from K-type thermocouples across –200°C to +1372°C, with cold-junction compensation. IC Role / Device Role / Timing Role: Precision DC-coupled instrumentation amplifier front-end, rejecting thermocouple wire EMF and ambient thermal gradients. Use Value: 5μV offset and 0.025μV/°C drift ensure <0.5°C absolute accuracy without software correction over full industrial temperature range. |
Use Scenario: Reading mV-level differential outputs from 350Ω foil strain gauges in load cells and pressure transducers. IC Role / Device Role / Timing Role: Low-noise, high-CMRR difference amplifier with matched input impedances to minimize bridge imbalance errors. Use Value: 200nVP-P (DC–10Hz) noise and 150dB CMRR preserve microstrain resolution in 24-bit sigma-delta ADC systems. |
| High-Resolution Data Acquisition | Reference Buffering |
|
Use Scenario: Front-end gain stage for 18-bit DACs (e.g., LTC2756) in automated test equipment requiring ±10V output spans. IC Role / Device Role / Timing Role: Unity-gain stable output buffer with 1.6V/μs slew rate, driving capacitive DAC loads without overshoot. Use Value: 2.5MHz GBW and <30% overshoot with 100pF load enable 15μs step response - meets 100kSPS multichannel DAQ timing budgets. |
Use Scenario: Buffering precision voltage references (e.g., LTZ1000, REF5025) for ADCs, DACs, and analog comparators. IC Role / Device Role / Timing Role: Low-drift, low-noise unity-gain follower isolating reference from load variations and PCB leakage. Use Value: 150dB PSRR prevents supply ripple from modulating reference voltage; 5μV offset avoids introducing systematic gain error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8628ARZ | Single-channel, 2.7V–5.5V supply, 1μV max offset, no shutdown, SOIC-8 package | Lacks dual-channel integration and wide supply range; unsuitable for 24V industrial rails or space-constrained dual-signal paths | Select when single-channel operation and ultra-low 1.8V supply capability are prioritized over dual functionality and 36V headroom. |
| MAX44260ASA+ | Dual-channel, 2.7V–36V supply, 3μV max offset, 0.05μV/°C drift, no shutdown, 8-pin SO | Higher drift and no shutdown mode; uses smaller SO-8 footprint but lacks guard ring and MSE thermal pad | Choose for cost-sensitive designs where 0.05μV/°C drift is acceptable and PCB layout does not require guard routing or enhanced thermal dissipation. |
Compared with AD8628ARZ and MAX44260ASA+, the LTC2058IMSE#PBF uniquely combines dual-channel zero-drift performance, 36V supply support, integrated shutdown, and MSOP-12 guard ring routing - making it the only option qualified for high-accuracy, thermally stable, and space-efficient dual-sensor front-ends in industrial instrumentation.
Availability
LTC2058IMSE#PBF is available at Aetrix Electronics and suitable for high-resolution data acquisition, thermocouple amplification, and reference buffering requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2058IMSE#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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC2058 belongs to Analog Devices' precision zero-drift op-amp product line, engineered specifically for applications demanding microvolt-level DC accuracy, ultra-low drift, and robust noise performance in harsh electrical environments.
FAQ
What is the operating temperature range specified for the LTC2058IMSE#PBF?
The LTC2058IMSE#PBF is rated for operation from –40°C to +85°C. This "I" grade temperature specification is laser-trimmed and tested across the full range, guaranteeing all key parameters - including 5μV max offset voltage and 0.025μV/°C max drift - remain within datasheet limits under industrial ambient conditions.
Does the LTC2058IMSE#PBF support true single-supply operation with inputs referenced to ground?
Yes. The LTC2058IMSE#PBF accepts an input common mode voltage down to V– – 0.1V. When V– is connected to ground, this allows both inverting and noninverting inputs to operate at 0V, enabling direct interface to ground-referenced sensors such as low-side current shunts and Wheatstone bridges without level-shifting circuitry.
How does the shutdown function work on the LTC2058IMSE#PBF?
The LTC2058IMSE#PBF implements shutdown via two dedicated pins: SD (Pin 1) and SDCOM (Pin 12). Shutdown activates when the voltage difference SD – SDCOM exceeds 2V (typ). SDCOM must be biased between V– and V+ – 2V - commonly tied to V– for simplicity. In shutdown, supply current drops to 5μA max, and outputs enter high-impedance state.
Can the LTC2058IMSE#PBF drive heavy capacitive loads without instability?
The LTC2058IMSE#PBF is unity-gain stable but exhibits increasing overshoot with capacitive loads >100pF. At 200pF, overshoot reaches ~80% (Figure G48/G49). For loads >100pF, add a series resistor (RS = 5Ω typical) between amplifier output and capacitor, or use the recommended RC snubber network from the datasheet to maintain phase margin and settling integrity.
What is the purpose of the GUARD pins (Pins 4 and 9) on the LTC2058IMSE#PBF?
The GUARD pins on the LTC2058IMSE#PBF provide a low-impedance guard ring surrounding the high-impedance input traces. They are not internally connected and must be routed as a continuous copper ring tied to a low-noise reference (e.g., output of a quiet buffer). This reduces leakage current and capacitive coupling, critical for picoamp-level input bias current integrity in electrometer and piezoelectric sensor applications.
LTC2058IMSE#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Zero-Drift
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 1.6V/µs
- Gain Bandwidth Product:
- 2.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 pA
- Voltage - Input Offset:
- 0.5 µV
- Current - Supply:
- 1mA (x2 Channels)
- Current - Output / Channel:
- 36 mA
- 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:
- 12-MSOP-EP
LTC2058IMSE#PBF FAQ
1.How can I place an order for LTC2058IMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2058IMSE#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 LTC2058IMSE#PBF reliable?
The price and inventory of LTC2058IMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2058IMSE#PBF is usually 5 days.
3.What payment methods are accepted for LTC2058IMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2058IMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2058IMSE#PBF?
LTC2058IMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2058IMSE#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 LTC2058IMSE#PBF?
For technical support, including LTC2058IMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2058IMSE#PBF requirements.
6.How does Aetrix verify that LTC2058IMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2058IMSE#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 LTC2058IMSE#PBF meets industry standards.
7.What is the process for return or replacement of LTC2058IMSE#PBF?
All LTC2058IMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2058IMSE#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 LTC2058IMSE#PBF part is unused and in its original packaging.
Return procedure for LTC2058IMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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