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Analog Devices Inc. LT1880CS5#TRMPBF
- Part No.:
- LT1880CS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LT1880CS5#TRMPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:5,566
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Product details
Overview
LT1880CS5#TRMPBF from Analog Devices (formerly Linear Technology) is a single, rail-to-rail output precision operational amplifier in a 5-lead TSOT-23 package. It delivers 150 μV max input offset voltage, 900 pA max input bias current, and 1.1 MHz gain bandwidth, enabling high-accuracy signal conditioning in low-voltage single-supply systems such as photodiode amplifiers and RTD current sources.
For engineers reviewing the LT1880CS5#TRMPBF datasheet, LT1880CS5#TRMPBF pinout, LT1880CS5#TRMPBF application, or LT1880CS5#TRMPBF equivalent, key selection criteria include its picoamp-level input bias current, rail-to-rail output swing within 55 mV of V– and 250 mV of V+, 1.2 mA supply current, and guaranteed operation from 2.7 V to 36 V total supply.
Technical Context
The LT1880CS5#TRMPBF uses a precision bipolar input stage with on-chip offset trimming and bias current cancellation circuitry, enabling ultralow input bias current (900 pA max) without sacrificing offset voltage (150 μV max) or drift (1.2 μV/°C max). Its rail-to-rail output stage employs complementary emitter-follower architecture to achieve 55 mV low-side and 250 mV high-side headroom at 5 V supply.
It operates across ±1.35 V to ±18 V dual supplies or 2.7 V to 36 V single supply, with full specifications guaranteed from –40°C to 85°C for the 'I' grade; the 'C' grade (LT1880CS5#TRMPBF) is specified from 0°C to 70°C but characterized over –40°C to 85°C. Input common-mode range is limited to V– + 1.0 V to V+ – 1.2 V - not rail-to-rail - while output swing remains rail-to-rail.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 150 μV maximum - enables sub-0.1% error in 100 mV full-scale sensor interfaces without trimming |
| Input Bias Current | 900 pA maximum - supports high-impedance transducer interfaces (e.g., photodiodes, piezoelectrics) without significant DC error |
| Rail-to-Rail Output Swing | Swings to within 55 mV of V– and 250 mV of V+ - allows >90% dynamic range utilization in 3.3 V or 5 V single-supply systems |
| Supply Current | 1.2 mA typical at 5 V - balances precision and power efficiency for battery-powered instrumentation |
| Gain Bandwidth Product | 1.1 MHz - supports stable closed-loop gains up to ~100× at DC with usable AC response into 10 kHz |
| Slew Rate | 0.4 V/μs - ensures <10 μs settling to 0.01% for 2 V output steps, critical for precision data acquisition |
| Input Noise Density | 13 nV/√Hz at 1 kHz - limits noise contribution in low-frequency precision amplification below 10 kHz |
Pinout & Package
The LT1880CS5#TRMPBF is housed in a 5-lead ThinSOT™ (TSOT-23) package, 1.00 mm maximum height, with lead pitch of 0.95 mm and body dimensions 2.90 mm × 1.60 mm. Pin 1 is marked by a dot; the package is RoHS-compliant and lead-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ≥10 mA; requires no external compensation for unity-gain stability with ≤600 pF load |
| 2 (V–) | Negative supply terminal | Reference for internal biasing; supports single-supply (ground-referenced) or split-supply operation; must be decoupled locally |
| 3 (+IN) | Non-inverting input | High-impedance node (380 MΩ differential); common-mode range limited to V– + 1.0 V to V+ – 1.2 V |
| 4 (–IN) | Inverting input | Matches +IN in impedance and bias behavior; uncorrelated bias currents require asymmetric feedback design |
| 5 (V+) | Positive supply terminal | Accepts 2.7 V to 36 V total supply; PSRR >110 dB ensures immunity to supply ripple in precision analog front-ends |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow input bias current | 900 pA max enables direct interfacing with photodiodes, pH electrodes, and high-value resistor networks without guard rings or active guarding |
| Trimmed input offset voltage | 150 μV max eliminates need for external nulling in 12-bit to 14-bit measurement systems operating over 0°C to 70°C |
| Rail-to-rail output stage | Output swings to within 55 mV of V– and 250 mV of V+ at 5 V supply - maximizes ADC utilization in single-supply 3.3 V systems |
| Wide supply range | Operates from 2.7 V to 36 V total supply - supports both low-voltage portable devices and industrial ±15 V signal chains |
| Low 1/f noise | 0.5 μVP-P (0.1–10 Hz) - critical for precision DC-coupled applications like thermocouple and bridge amplifier front-ends |
Applications
| Photodiode Amplifier | RTD Current Source |
|---|---|
Use Scenario: Converting photocurrent from a BPW21 or SFH213FA photodiode into a precise voltage output in optical sensing or medical pulse oximetry. IC Role / Device Role / Timing Role: Transimpedance amplifier with 51.1 kΩ feedback resistor; maintains virtual ground at –IN while delivering rail-to-rail output swing. Use Value: Worst-case output offset ≤262 μV over 0°C to 70°C guarantees ≥86 dB dynamic range with 5 V output swing and 98 μA full-scale photocurrent. | Use Scenario: Exciting a 1 kΩ platinum RTD in a 4-wire configuration for high-accuracy temperature measurement from –50°C to 600°C. IC Role / Device Role / Timing Role: Precision current source amplifier; forces 1 mA through RTD by servoing –IN to match 1.25 V reference at +IN. Use Value: 150 pA typical input bias current minimizes error from cable leakage and parasitic resistance, enabling <0.1 °C resolution in industrial environments. |
| Bridge Transducer Conditioner | Thermocouple Amplifier |
Use Scenario: Amplifying mV-level differential output from a load cell or pressure sensor bridge in weigh scales or process control. IC Role / Device Role / Timing Role: High-input-impedance, low-drift instrumentation front-end; used in non-inverting gain-of-100 configuration with matched thin-film resistors. Use Value: 1.2 μV/°C max offset drift ensures <10 μV error over 100°C ambient shift - sufficient for 16-bit system accuracy without recalibration. | Use Scenario: Cold-junction compensated amplification of Type K thermocouple output (≈41 μV/°C) in furnace or HVAC monitoring. IC Role / Device Role / Timing Role: Low-noise, low-drift DC-coupled amplifier with guarded inputs; rejects thermocouple self-heating and PCB thermal gradients. Use Value: 0.5 μVP-P 0.1–10 Hz noise and 40 μV typical offset enable resolution better than 0.25°C in 0°C to 100°C range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC2050CS5#TRMPBF | Zero-drift architecture; 3 μV max VOS, 0.015 μV/°C drift; higher cost; 1.5 MHz GBW; 500 nA supply current | Better DC precision for ultra-low-drift applications (e.g., strain gauge bridges), but higher quiescent current limits battery life | Select LTC2050CS5#TRMPBF when offset drift <0.1 μV/°C is mandatory and supply current >500 nA is acceptable |
| LT6010CS5#TRMPBF | Lower power: 135 μA supply current; 150 μV max VOS; 0.4 V/μs slew rate; 150 kHz GBW; same SOT-23-5 package | Optimized for always-on, low-power sensor nodes where bandwidth <200 kHz suffices | Select LT6010CS5#TRMPBF when extending battery life is prioritized over bandwidth and settling speed |
Compared with LTC2050CS5#TRMPBF and LT6010CS5#TRMPBF, the LT1880CS5#TRMPBF uniquely balances 1.1 MHz bandwidth, 0.4 V/μs slew rate, and 1.2 mA supply current - making it optimal for precision analog front-ends requiring both DC accuracy and moderate-speed transient response in space-constrained designs.
Availability
LT1880CS5#TRMPBF is available at Aetrix Electronics and suitable for photodiode amplifiers, RTD current sources, and bridge transducer conditioners requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LT1880CS5#TRMPBF 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, serving industrial, automotive, communications, and healthcare markets.
The LT1880CS5#TRMPBF belongs to Linear Technology's precision op amp product line, designed specifically for high-accuracy, low-input-bias-current signal conditioning in space-constrained, low-voltage applications - especially where rail-to-rail output swing and picoamp input leakage are critical.
FAQ
What is the operating temperature range for the LT1880CS5#TRMPBF?
The LT1880CS5#TRMPBF is specified over 0°C to 70°C (commercial grade). While not tested across the full –40°C to 85°C range, it is characterized and expected to meet specifications over that extended range. For guaranteed performance across –40°C to 85°C, the LT1880IS5#TRMPBF variant should be selected. The LT1880CS5#TRMPBF datasheet provides all electrical characteristics at 25°C and over the 0°C to 70°C range.
Does the LT1880CS5#TRMPBF have rail-to-rail input capability?
No, the LT1880CS5#TRMPBF does not feature rail-to-rail inputs. Its input common-mode voltage range is limited to V– + 1.0 V to V+ – 1.2 V. However, its rail-to-rail output swing remains fully functional in inverting and non-inverting gain configurations where input voltages stay within this range - as confirmed in Figure 1 and Application Note 1880FA. The LT1880CS5#TRMPBF achieves precision without rail-to-rail inputs by leveraging its low bias current and trimmed offset.
Can the LT1880CS5#TRMPBF drive capacitive loads?
Yes, the LT1880CS5#TRMPBF can drive capacitive loads up to 600 pF in unity-gain configuration without instability, as verified in the Capacitive Load Response graph (Figure 1880 G25). For larger loads or higher gains, stability improves further. If marginal phase margin is observed, adding a small series resistor (e.g., 10 Ω) between the output and the capacitor restores robustness. This capability makes the LT1880CS5#TRMPBF suitable for driving ADC input filters or long cables in precision measurement systems.
What is the maximum supply voltage for the LT1880CS5#TRMPBF?
The absolute maximum supply voltage (V+ to V–) for the LT1880CS5#TRMPBF is 40 V. It is fully specified for operation from 2.7 V to 36 V total supply voltage - supporting both low-voltage battery-powered systems (e.g., 3.3 V) and traditional ±15 V industrial rails. Operation outside the 2.7–36 V range may result in degraded performance or reliability risk, even if below the 40 V absolute maximum rating.
How does the LT1880CS5#TRMPBF compare to the LT1881/LT1882 dual/quad variants?
The LT1880CS5#TRMPBF is the single-channel version of the family, sharing identical electrical specifications (150 μV VOS max, 900 pA IB max, 1.1 MHz GBW) with the LT1881 (dual) and LT1882 (quad). All use the same core architecture and trimming process. The LT1880CS5#TRMPBF offers lowest board area and power per channel (1.2 mA), while LT1881/LT1882 provide channel density advantages in multi-sensor systems. Pin compatibility is not maintained across package types - LT1880CS5#TRMPBF uses SOT-23-5, whereas LT1881/LT1882 use SO-8 and SO-14 respectively.
LT1880CS5#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.55V/µs
- Gain Bandwidth Product:
- 1.1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 150 pA
- Voltage - Input Offset:
- 40 µV
- Current - Supply:
- 1.5mA
- Current - Output / Channel:
- 25 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LT1880CS5#TRMPBF FAQ
1.How can I place an order for LT1880CS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1880CS5#TRMPBF 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 LT1880CS5#TRMPBF reliable?
The price and inventory of LT1880CS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1880CS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LT1880CS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1880CS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1880CS5#TRMPBF?
LT1880CS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1880CS5#TRMPBF 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 LT1880CS5#TRMPBF?
For technical support, including LT1880CS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1880CS5#TRMPBF requirements.
6.How does Aetrix verify that LT1880CS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LT1880CS5#TRMPBF 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 LT1880CS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LT1880CS5#TRMPBF?
All LT1880CS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1880CS5#TRMPBF, 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 LT1880CS5#TRMPBF part is unused and in its original packaging.
Return procedure for LT1880CS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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