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Analog Devices Inc. LT1810CMS8#PBF
- Part No.:
- LT1810CMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1810CMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:238
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Product details
Overview
LT1810CMS8#PBF from Analog Devices (formerly Linear Technology) is a dual rail-to-rail input and output operational amplifier optimized for high-speed, low-distortion signal conditioning. It delivers 350 V/µs slew rate, 320 MHz –3dB bandwidth at unity gain, 180 MHz gain-bandwidth product (AV ≥ 10), and ±85 mA output current - enabling precise driving of ADC inputs, video lines, and active filters in 2.5V–12.6V supply systems.
For engineers reviewing the LT1810CMS8#PBF datasheet, LT1810CMS8#PBF pinout, LT1810CMS8#PBF application, or LT1810CMS8#PBF equivalent, key selection criteria include rail-to-rail I/O swing within 20 mV of rails, –90 dBc THD at 5 MHz, shutdown functionality, MSOP-8 package thermal performance (θJA = 130°C/W), and guaranteed operation from 0°C to 70°C.
Technical Context
The LT1810CMS8#PBF implements a complementary bipolar input stage supporting rail-to-rail common-mode input range (V– to V+) and output swing to within 20 mV of either rail. Its high slew rate and wide bandwidth stem from optimized internal compensation and low-output-impedance output stage capable of sourcing/sinking ±85 mA.
It features independent shutdown control per amplifier (SHDN pin logic-compatible with 0.3 V low / VS–0.5 V high), 89 dB typical CMRR, 87 dB PSRR, and matched channel parameters including <6.5 mV input offset voltage match and <8 dB CMRR match - critical for dual-channel instrumentation and differential signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 180 MHz (AV ≥ 10): enables stable closed-loop gain ≥10 up to ~18 MHz without peaking or instability |
| Slew Rate | 350 V/µs: supports full-scale 4 VP-P output at >100 MHz without slewing distortion |
| –3dB Bandwidth | 320 MHz (AV = 1): suitable for unity-gain buffer applications requiring minimal phase lag |
| Output Current | ±85 mA: drives 100 Ω loads directly (e.g., video lines, ADC reference buffers) without external boost |
| THD @ 5 MHz | –90 dBc: preserves SNR in 12-bit+ data acquisition systems with 5 MHz analog input bandwidth |
| Supply Range | 2.5 V to 12.6 V: operates from single 3 V or 5 V rails, or split ±5 V supplies |
| Shutdown Current | 0.58 mA (typ, 5 V): reduces quiescent power by >95% per amplifier during idle periods |
Pinout & Package
LT1810CMS8#PBF is housed in an 8-lead plastic MSOP package (3 mm × 3 mm, 1.1 mm height) with exposed pad for thermal enhancement. Pin pitch is 0.5 mm; recommended PCB layout includes thermal via array under the exposed pad connected to ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT A | Amplifier A output | Low-impedance rail-to-rail output capable of ±85 mA drive into 100 Ω |
| 2: –IN A | Inverting input A | High-impedance node with rail-to-rail common-mode range (V– to V+) |
| 3: +IN A | Non-inverting input A | Matches –IN A in bias current (<0.5 μA shift over full common-mode range) |
| 4: V– | Negative supply rail | Reference for both amplifiers; thermal pad connection point for heat dissipation |
| 5: V+ | Positive supply rail | Accepts 2.5–12.6 V single or dual supply; powers internal bias circuitry |
| 6: OUT B | Amplifier B output | Independent output with identical specs to OUT A; no crosstalk degradation up to 100 MHz |
| 7: –IN B | Inverting input B | Matched to –IN A (input offset match ≤6.5 mV, CMRR match ≤82 dB) |
| 8: +IN B | Non-inverting input B | Same input structure as +IN A; enables precision differential pair configurations |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Input common-mode range extends to both supply rails; output swings within 20 mV of V+ and V–, maximizing dynamic range in low-voltage systems |
| Ultra-low distortion | –90 dBc THD at 5 MHz ensures fidelity in high-resolution data converters and video signal chains |
| Independent shutdown control | Single SHDN pin disables both amplifiers simultaneously with <100 ns turn-off time, reducing system standby power |
| High output drive capability | ±85 mA output current eliminates need for external buffers when driving 150 Ω video loads or 100 Ω ADC inputs |
| Matched dual-channel performance | Channel-to-channel input offset match ≤6.5 mV and CMRR match ≤82 dB support accurate differential gain stages |
Applications
| High-Speed ADC Driver | Video Line Driver |
|---|---|
Use Scenario: Driving the analog input of a 12-bit, 10 MSPS ADC in a portable medical sensor front-end powered from a 3.3 V rail. IC Role / Device Role / Timing Role: Buffer and level-shift sensor signal while preserving bandwidth and minimizing harmonic distortion before digitization. Use Value: 350 V/µs slew rate prevents step-response overshoot; –90 dBc THD at 5 MHz maintains effective number of bits (ENOB) >11.5. | Use Scenario: Transmitting composite NTSC video signals across 75 Ω coaxial cable in a broadcast monitoring system. IC Role / Device Role / Timing Role: Active line driver with gain = 2, DC-coupled output, and precise differential phase/gain matching. Use Value: ΔG = 0.015% and Δθ = 0.05° meet SMPTE RP-168 specification for broadcast-grade video integrity. |
| Rail-to-Rail Buffer Amplifier | Active Filter Stage |
Use Scenario: Isolating a low-noise LDO output from variable capacitive load in a battery-powered IoT node's analog sensor interface. IC Role / Device Role / Timing Role: Unity-gain buffer with rail-to-rail I/O to maintain full 0–3.3 V signal swing despite supply droop. Use Value: Output swing within 20 mV of rails ensures >99% utilization of ADC input range; 16 nV/√Hz input noise avoids degrading sensor SNR. | Use Scenario: Implementing a 4-pole Sallen-Key low-pass filter at 2 MHz cutoff in a radar pulse receiver chain. IC Role / Device Role / Timing Role: High-Q, low-phase-error amplifier stage with minimal group delay variation across passband. Use Value: 320 MHz unity-gain bandwidth provides >15× margin over 2 MHz corner, ensuring flat gain response and <0.1° phase error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4897-2ARMZ | Lower supply current (10.5 mA vs 17 mA), lower noise (1 nV/√Hz), but lower slew rate (225 V/µs) and GBW (210 MHz) | Better for ultra-low-noise, battery-constrained designs; less suitable for >100 MHz full-swing transient response | Select if noise dominates over speed; avoid when driving heavy capacitive loads requiring fast settling |
| LMH6629MA/NOPB | Higher slew rate (475 V/µs), wider supply range (2.7–12.6 V), but no shutdown and higher distortion (–72 dBc @ 5 MHz) | Preferred for maximum transient fidelity in test equipment; not suitable where power gating or low THD is required | Choose for oscilloscope front-ends or RF sampling; reject for precision data acquisition or portable systems needing shutdown |
Compared with ADA4897-2ARMZ and LMH6629MA/NOPB, LT1810CMS8#PBF uniquely balances 350 V/µs slew rate, –90 dBc THD, integrated shutdown, and rail-to-rail I/O in MSOP-8 - making it optimal for space-constrained, mixed-signal embedded systems requiring both speed and precision.
Availability
LT1810CMS8#PBF is available at Aetrix Electronics and suitable for high-speed ADC driver, video line driver, rail-to-rail buffer amplifier, and active filter applications requiring stable component supply across industrial, medical, and communications end markets.
Supply support for LT1810CMS8#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare sectors.
The LT1810 belongs to ADI's legacy Linear Technology high-speed precision op amp family, engineered for demanding signal-chain applications where bandwidth, distortion, and rail-to-rail operation must coexist in compact packages.
FAQ
What is the operating temperature range specified for LT1810CMS8#PBF?
The LT1810CMS8#PBF is characterized and guaranteed over 0°C to 70°C ambient temperature. It is rated for junction temperatures up to 150°C and storage from –65°C to 150°C. While functional beyond 70°C, full electrical specifications apply only within the 0°C–70°C range per the datasheet's "C" grade designation.
Does LT1810CMS8#PBF support true rail-to-rail input and output operation?
Yes, LT1810CMS8#PBF supports rail-to-rail input common-mode range (V– to V+) and rail-to-rail output swing - delivering output voltages within 20 mV of either supply rail under load. This capability is verified across all supply voltages (2.5 V–12.6 V) and enables maximum dynamic range in low-voltage systems.
What is the shutdown behavior of LT1810CMS8#PBF?
When the SHDN pin is pulled low (≤0.3 V), LT1810CMS8#PBF disables both amplifiers, reducing supply current to ≤1.4 mA (typical). Output enters high-impedance state with leakage <75 μA. Turn-on/off times are 80 ns and 50 ns respectively, enabling rapid power cycling in burst-mode systems.
Can LT1810CMS8#PBF drive a 100 Ω load at 5 V supply?
Yes, LT1810CMS8#PBF delivers ±85 mA output current, enabling direct drive of 100 Ω loads at 5 V supply with full rail-to-rail swing. At ISOURCE = 25 mA, VOH remains ≤370 mV below V+; at ISINK = 25 mA, VOL stays ≤450 mV above V– - satisfying 100 Ω video and ADC interface requirements.
How does LT1810CMS8#PBF compare to LT1810CS8#PBF?
LT1810CMS8#PBF and LT1810CS8#PBF share identical electrical specifications and pinout, differing only in package: MSOP-8 (3 mm × 3 mm) vs SO-8 (5 mm × 6 mm). The MSOP version offers superior thermal resistance (θJA = 130°C/W vs 100°C/W) and smaller footprint, while the SO-8 provides easier hand-soldering and higher creepage clearance.
LT1810CMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 350V/µs
- Gain Bandwidth Product:
- 180 MHz
- -3db Bandwidth:
- 320 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 800 µV
- Current - Supply:
- 15mA (x2 Channels)
- Current - Output / Channel:
- 85 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 12.6 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT1810CMS8#PBF FAQ
1.How can I place an order for LT1810CMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1810CMS8#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 LT1810CMS8#PBF reliable?
The price and inventory of LT1810CMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1810CMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1810CMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1810CMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1810CMS8#PBF?
LT1810CMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1810CMS8#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 LT1810CMS8#PBF?
For technical support, including LT1810CMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1810CMS8#PBF requirements.
6.How does Aetrix verify that LT1810CMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1810CMS8#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 LT1810CMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1810CMS8#PBF?
All LT1810CMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1810CMS8#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 LT1810CMS8#PBF part is unused and in its original packaging.
Return procedure for LT1810CMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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