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Analog Devices Inc. LT1783CS5#TRPBF
- Part No.:
- LT1783CS5#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LT1783CS5#TRPBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,810
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Product details
Overview
LT1783CS5#TRPBF from Analog Devices (formerly Linear Technology) is a 1.25MHz, micropower, rail-to-rail input and output operational amplifier in a 5-lead TSOT-23 package, operating from 2.5V to 18V total supply voltage, drawing ≤300μA quiescent current, with Over-The-Top® operation enabling inputs up to 18V above V– or above V+, and specified for 0°C to 70°C ambient. It is used in battery-powered sensor conditioning and supply current sensing circuits.
For engineers reviewing the LT1783CS5#TRPBF datasheet, LT1783CS5#TRPBF pinout, LT1783CS5#TRPBF application, or LT1783CS5#TRPBF equivalent, key selection criteria include its 1.25MHz gain bandwidth, 0.42V/μs slew rate, rail-to-rail I/O, reverse-battery protection to 18V, and guaranteed performance over 0°C to 70°C - critical for portable instrumentation and low-power industrial monitoring.
Technical Context
The LT1783CS5#TRPBF employs dual-input-stage architecture (NPN and PNP) enabling Over-The-Top® operation: inputs function reliably at voltages ≥18V above V– or >V+, with phase reversal protection preventing false outputs even when inputs drop 9V below V–. Its input stage handles ±18V differential and common-mode voltage independent of supply.
Internally compensated for ≥400pF capacitive load drive, it delivers 18mA output current while maintaining rail-to-rail swing (within 60mV of V+ and 3mV of V– at no load), and features reverse-battery protection limiting supply current to <1nA under –18V supply fault conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 1.25MHz - enables stable closed-loop operation up to ~1MHz with unity-gain stability and predictable AC response in precision DC-coupled signal chains. |
| Slew Rate | 0.42V/μs - supports full-scale 2V output steps in ≤4.8μs, suitable for moderate-speed sensor interfaces and current-sense amplification. |
| Supply Current | ≤300μA max - ensures multi-year battery life in always-on 3V coin-cell or solar-powered systems without shutdown circuitry. |
| Input Voltage Range | 0V to 18V on single supply - allows direct interfacing to high-side current-sense resistors or industrial sensors operating near rail voltages. |
| Output Drive | ≥18mA - drives 200Ω loads to rail while preserving linearity, sufficient for 4mA–20mA transmitter output stages or MUX amplifier buffering. |
| Input Offset Voltage | ≤800μV max - maintains ≤0.016% gain error in 50mV–5V sensor signal paths without trimming, critical for accurate battery voltage monitoring. |
| Common-Mode Rejection | ≥90dB (0V to VCC–1V) - rejects power rail noise in noisy embedded environments, preserving signal integrity in supply-current sensing applications. |
Pinout & Package
LT1783CS5#TRPBF is housed in a 5-lead ThinSOT™ (TSOT-23) package, 1.00mm maximum height, JEDEC MO-193 compliant, with thermal resistance θJA = 250°C/W. Pin 1 is marked by a dot; device orientation follows standard S5 top view.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ≥18mA; high-impedance when externally disabled (not applicable to 5-lead version). |
| 2 (V–) | Negative supply rail | Reference for all internal biasing; reverse-battery protected to –18V; draws <1nA if supply reversed. |
| 3 (+IN) | Non-inverting input | Accepts common-mode voltages from V– to ≥V+ +18V; phase-reversal protected down to V– –9V. |
| 4 (V+) | Positive supply rail | Bypass with 0.1μF capacitor within 25mm; supports total supply range 2.5V–18V across V+ and V–. |
| 5 (–IN) | Inverting input | Matches +IN in voltage range and protection; differential input rating ±18V; no internal clamping diodes. |
Key Features
| Feature | Design Value |
|---|---|
| Over-The-Top® Input Operation | Enables direct high-side sensing where inputs exceed V+ (e.g., 24V bus monitoring with 5V supply), eliminating level-shifting components. |
| Rail-to-Rail Input and Output | Maximizes dynamic range in low-voltage (3V) systems: full 0–5V input capture and 0–5V output delivery without headroom loss. |
| Micropower Consumption | 300μA max supply current allows continuous operation in energy-harvesting nodes or decade-long battery deployments. |
| Reverse-Battery Protection | Draws <1nA at –18V supply, preventing damage and system latch-up in automotive or field-deployed equipment with accidental polarity reversal. |
| Phase Reversal Protection | Guarantees correct output polarity even when inputs fall 9V below V–, essential for fault-tolerant current-sense amplifier designs. |
Applications
| Portable Instrumentation | Battery Monitoring |
|---|---|
Use Scenario: Handheld multimeter front-end amplifying mV-level thermocouple or shunt resistor signals. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with rail-to-rail I/O and low offset to preserve resolution across 0–3V battery range. Use Value: 800μV max VOS and 90dB CMRR ensure <0.02% measurement error without calibration, extending usable battery life via 300μA quiescent draw. | Use Scenario: Real-time Li-ion cell voltage tracking in wearables or IoT sensors. IC Role / Device Role / Timing Role: High-impedance buffer and level translator between 0–4.2V cell and 3V ADC reference. Use Value: Input range spanning 0V to 18V allows direct connection to stacked cells or chargers; 0.42V/μs slew rate settles 4.2V steps in <10μs for fast sampling. |
| Sensor Conditioning | Supply Current Sensing |
Use Scenario: Amplifying low-amplitude bridge outputs (e.g., pressure or strain gauges) in remote environmental sensors. IC Role / Device Role / Timing Role: Low-noise, low-drift instrumentation amplifier core with 20nV/√Hz input noise density. Use Value: 0.6μVP-P 0.1–10Hz noise and 2μV/°C drift enable sub-0.1% accuracy over –40°C to 70°C without active compensation. | Use Scenario: High-side current sensing in 5V/12V power rails using a 10mΩ shunt. IC Role / Device Role / Timing Role: Difference amplifier with Over-The-Top® inputs referenced to V+ to measure VSHUNT above supply rail. Use Value: Inputs operate >V+, enabling direct sensing of 12V rail current without isolated supplies or expensive high-voltage op amps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar rail-to-rail, micropower op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1782CS5#TRPBF | 200kHz GBW, 40μA IQ, same SOT-23 package, no Over-The-Top® capability | Lower bandwidth and no >V+ input operation; suited only for ultra-low-power DC sensing where speed <200kHz suffices | Select when quiescent current <100μA is mandatory and input voltage never exceeds V+. |
| LT1636CS5#TRPBF | 55μA IQ, 44V input range above V–, MSOP-8 package, includes shutdown | Higher input voltage tolerance but larger footprint; shutdown unavailable in 5-lead LT1783CS5#TRPBF | Choose when extended common-mode range (>18V above V–) is required and board space permits MSOP-8. |
Compared with LT1782CS5#TRPBF and LT1636CS5#TRPBF, LT1783CS5#TRPBF uniquely balances 1.25MHz bandwidth, Over-The-Top® input operation, and 5-lead TSOT-23 compactness-making it optimal for space-constrained, medium-speed, high-common-mode industrial sensing where the LT1782 lacks speed and the LT1636 demands more PCB area.
Availability
LT1783CS5#TRPBF is available at Aetrix Electronics and suitable for portable instrumentation, battery monitoring, and supply current sensing requiring stable component supply, long-term lifecycle support, and guaranteed 0°C to 70°C performance.
Supply support for LT1783CS5#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 full product support, documentation, and manufacturing continuity for legacy Linear parts including the LT1783 family.
The LT1783CS5#TRPBF belongs to Linear's Over-The-Top® op amp product line, designed specifically for high-common-mode, low-power signal conditioning in battery-operated and automotive-adjacent systems where inputs may exceed supply rails.
FAQ
What is the maximum supply voltage for LT1783CS5#TRPBF?
The LT1783CS5#TRPBF supports a total supply voltage (V+ to V–) up to 18V, with absolute maximum ratings specifying ±18V differential input voltage and input pins rated to +24V relative to V–. It operates reliably from 2.5V to 18V total supply, making it suitable for both 3V microcontroller systems and 12V industrial rails. The LT1783CS5#TRPBF also withstands reverse-battery conditions up to –18V with leakage <1nA.
Does LT1783CS5#TRPBF support inputs above the positive supply rail?
Yes, the LT1783CS5#TRPBF features Over-The-Top® operation, allowing either or both inputs to operate up to 18V above V– - including voltages exceeding V+. This enables direct high-side current sensing without level shifters. The LT1783CS5#TRPBF maintains functionality and phase reversal protection even when inputs are 9V below V–, confirmed in the Absolute Maximum Ratings and Applications Information sections.
What is the guaranteed operating temperature range for LT1783CS5#TRPBF?
The LT1783CS5#TRPBF is specified for 0°C to 70°C ambient operation (Commercial grade). While the underlying LT1783C die is characterized from –40°C to 85°C, the CS5 variant is tested and guaranteed only across 0°C to 70°C per the Order Information table. For extended temperature support, consider LT1783IS5#TRPBF (–40°C to 85°C) or LT1783HS5#TRPBF (–40°C to 125°C).
How does LT1783CS5#TRPBF differ from the 6-lead LT1783CS6#TRPBF?
The LT1783CS5#TRPBF is the 5-lead TSOT-23 variant without shutdown functionality, whereas LT1783CS6#TRPBF adds a dedicated SHDN pin (Pin 5) enabling 5μA quiescent current mode and high-impedance output. Both share identical electrical specs (GBW, VOS, IQ) and Over-The-Top® capability, but only the 6-lead version supports active power gating - critical for intermittent-sampling applications. The LT1783CS5#TRPBF simplifies layout where shutdown is unnecessary.
What package type is used for LT1783CS5#TRPBF?
The LT1783CS5#TRPBF uses a 5-lead Plastic TSOT-23 (ThinSOT™) package, JEDEC MO-193 compliant, with dimensions 2.90mm × 1.60mm × 0.90mm max height. Pin 1 is identified by a dot; the package drawing (LTC DWG #05-08-1635) specifies 0.30–0.45mm lead thickness and 0.95mm lead pitch. This compact footprint supports high-density PCB layouts in space-constrained portable devices.
LT1783CS5#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- Over-The-Top®
- 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:
- 0.45V/µs
- Gain Bandwidth Product:
- 1.3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 40 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 230µA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 18 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LT1783CS5#TRPBF FAQ
1.How can I place an order for LT1783CS5#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1783CS5#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 LT1783CS5#TRPBF reliable?
The price and inventory of LT1783CS5#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1783CS5#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1783CS5#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1783CS5#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1783CS5#TRPBF?
LT1783CS5#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1783CS5#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 LT1783CS5#TRPBF?
For technical support, including LT1783CS5#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1783CS5#TRPBF requirements.
6.How does Aetrix verify that LT1783CS5#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1783CS5#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 LT1783CS5#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1783CS5#TRPBF?
All LT1783CS5#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1783CS5#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 LT1783CS5#TRPBF part is unused and in its original packaging.
Return procedure for LT1783CS5#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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