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Analog Devices Inc. LT1810IMS8#PBF
- Part No.:
- LT1810IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1810IMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,197
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Product details
Overview
LT1810IMS8#PBF from Analog Devices (formerly Linear Technology) is a dual rail-to-rail input/output operational amplifier optimized for high-speed, low-distortion signal conditioning in ±5V and single-supply systems. It delivers 350 V/µs slew rate, 320 MHz –3dB bandwidth at unity gain, 180 MHz gain-bandwidth product (AV ≥ 10), 85 mA output current, and –90 dBc harmonic distortion at 5 MHz - enabling precision ADC driving and video line buffering in industrial and test equipment.
For engineers reviewing the LT1810IMS8#PBF datasheet, LT1810IMS8#PBF pinout, LT1810IMS8#PBF application, or LT1810IMS8#PBF equivalent, key selection criteria include guaranteed –40°C to +85°C operation, MSOP-8 package compatibility with space-constrained layouts, rail-to-rail swing within 20 mV of supply rails, and dual-channel matching performance critical for differential signal paths.
Technical Context
The LT1810IMS8#PBF implements a complementary bipolar input stage enabling rail-to-rail common-mode input range (V– to V+) and rail-to-rail output swing (within 20 mV of either rail). Its high slew rate and wide bandwidth stem from a high-transconductance, low-capacitance architecture optimized for unity-gain stability without external compensation.
It features independent shutdown control per channel (SHDN pin), supports supply voltages from 2.5 V to 12.6 V (±1.25 V to ±6.3 V), and maintains specified performance across temperature with typical CMRR of 89 dB and PSRR of 87 dB - making it suitable for mixed-signal front-ends where power supply noise rejection and common-mode immunity are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3dB Bandwidth | 320 MHz at AV = 1 - enables stable unity-gain buffer configurations for wideband signals up to ~300 MHz. |
| Gain-Bandwidth Product | 180 MHz (AV ≥ 10) - defines usable closed-loop bandwidth for non-inverting gains ≥10 (e.g., 18 MHz at G = 10). |
| Slew Rate | 350 V/µs - supports full-scale 8 Vpp output transitions in ≤23 ns, critical for fast-settling ADC drivers. |
| Output Current | ±85 mA - drives heavy loads including 100 Ω video lines or low-impedance filters without clipping. |
| THD @ 5 MHz | –90 dBc - ensures minimal harmonic contamination in high-fidelity data acquisition and communications channels. |
| Input Offset Voltage | 3.0 mV max (–40°C to +85°C) - maintains DC accuracy in precision sensor amplification and offset-critical feedback loops. |
| Supply Range | 2.5 V to 12.6 V - operates from single 3 V logic supplies up to ±5 V analog rails, simplifying multi-rail system design. |
Pinout & Package
LT1810IMS8#PBF is housed in an 8-lead plastic MSOP package (3 mm × 3 mm × 1.1 mm height), optimized for high-density PCB layouts while maintaining thermal performance (θJA = 130°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: OUT A | Amplifier A output | Delivers rail-to-rail output swing; capable of sourcing/sinking 85 mA into loads down to 100 Ω. |
| 2: –IN A | Inverting input A | Differential input node with rail-to-rail common-mode range (V– to V+); matched to +IN A for precision applications. |
| 3: +IN A | Non-inverting input A | Complementary input to –IN A; same rail-to-rail voltage range and matching specs (e.g., ΔVOS ≤ 7.5 mV). |
| 4: V– | Negative supply rail | Reference for both amplifiers; connects to ground (single-supply) or negative rail (dual-supply); thermal path for package. |
| 5: V+ | Positive supply rail | Power input for both amplifiers; accepts 2.5 V to 12.6 V total supply; decoupling required near pin. |
| 6: +IN B | Non-inverting input B | Second amplifier's non-inverting input; matched to –IN B; supports independent dual-channel operation. |
| 7: –IN B | Inverting input B | Second amplifier's inverting input; identical electrical specs and matching to channel A inputs. |
| 8: OUT B | Amplifier B output | Fully independent output; shares same drive strength, slew rate, and rail-to-rail swing as OUT A. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables maximum dynamic range in low-voltage systems (e.g., 3 V supplies), eliminating level-shifting circuitry. |
| –90 dBc THD at 5 MHz | Preserves signal fidelity in high-resolution data converters and RF IF stages without post-processing correction. |
| Channel-to-channel matching | ΔVOS ≤ 7.5 mV and CMRR match ≤ 86 dB support accurate differential amplification and instrumentation topologies. |
| Shutdown control (SHDN) | Reduces supply current to <1.6 mA per amplifier, enabling power-gating in battery-powered or thermally constrained designs. |
| Stable at unity gain | Internally compensated for AV ≥ 1; no external components needed for buffer or gain-of-1 configurations. |
Applications
| High-Speed ADC Driver | Low-Voltage Signal Processing |
|---|---|
Use Scenario: Driving the analog input of a 10 Msps, 12-bit ADC in a portable data logger powered from a 3.3 V supply. IC Role / Device Role / Timing Role: Buffer amplifier with unity-gain configuration, providing low-output-impedance drive and fast settling (<34 ns to 0.1%) to meet ADC aperture uncertainty requirements. Use Value: Rail-to-rail swing maximizes ADC full-scale utilization; –90 dBc THD prevents harmonic folding into Nyquist band. | Use Scenario: Amplifying microvolt-level sensor outputs (e.g., thermopile, bridge transducer) in a handheld medical device operating from a single 3 V coin cell. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with matched dual channels used in differential input configuration to reject common-mode noise. Use Value: Input offset voltage ≤3.0 mV and CMRR ≥86 dB ensure sub-millivolt DC accuracy; shutdown mode extends battery life during idle periods. |
| Active Filter Stage | Video Line Driver |
Use Scenario: Implementing a 4th-order Butterworth low-pass filter at 10 MHz cutoff in a spectrum analyzer front-end using Sallen-Key topology. IC Role / Device Role / Timing Role: Dual op-amp implementing two 2nd-order stages; one LT1810 channel per stage, configured for gain and pole placement. Use Value: 320 MHz unity-gain bandwidth ensures minimal phase shift and group delay distortion across passband; 350 V/µs slew rate prevents slew-induced distortion on transient edges. | Use Scenario: Driving 75 Ω coaxial video lines (NTSC/PAL) from an FPGA-based video encoder in broadcast monitoring hardware. IC Role / Device Role / Timing Role: Single-ended line driver with gain-of-2 configuration, delivering 2 Vpp into 75 Ω with <0.01% differential gain error. Use Value: ΔG = 0.01% and Δθ = 0.01° preserve color fidelity; 85 mA output current sustains 2 Vpp into 75 Ω without sag or clipping. |
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 noise (1 nV/√Hz), lower supply current (10.5 mA), but lower slew rate (225 V/µs) and narrower GBW (210 MHz). | Better suited for low-noise preamp stages; less ideal for >10 MHz full-power signal delivery due to reduced slew rate. | Select ADA4897-2ARMZ when noise dominates over speed; choose LT1810IMS8#PBF when driving heavy capacitive loads or requiring >300 V/µs slew. |
| LMH6629MA/NOPB | Higher slew rate (475 V/µs), higher output current (120 mA), but no rail-to-rail input and wider MSOP-10 footprint. | Preferred for ultra-fast pulse amplification; incompatible with rail-to-rail input requirements or MSOP-8 board space. | Choose LMH6629MA/NOPB only if input voltage range beyond rails is unnecessary and PCB layout allows larger package. |
Compared with ADA4897-2ARMZ and LMH6629MA/NOPB, the LT1810IMS8#PBF uniquely balances rail-to-rail input/output, 350 V/µs slew rate, and MSOP-8 footprint - making it optimal for space-constrained, wide-dynamic-range analog front-ends where both DC precision and AC fidelity are required.
Availability
LT1810IMS8#PBF is available at Aetrix Electronics and suitable for high-speed data acquisition, portable instrumentation, and broadcast video systems requiring stable component supply across extended temperature ranges.
Supply support for LT1810IMS8#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 markets.
The LT1810IMS8#PBF belongs to ADI's legacy Linear Technology high-speed op amp portfolio, engineered specifically for demanding signal chain applications requiring wide bandwidth, low distortion, and rail-to-rail operation in compact packages.
FAQ
What is the operating temperature range for the LT1810IMS8#PBF?
The LT1810IMS8#PBF is specified and guaranteed over the industrial temperature range of –40°C to +85°C. This rating applies to all electrical parameters in the datasheet's "●"-marked sections and ensures reliable operation in harsh environments such as factory automation controllers and outdoor test equipment where ambient temperatures fluctuate widely.
Does the LT1810IMS8#PBF support single-supply operation?
Yes, the LT1810IMS8#PBF supports true single-supply operation from 2.5 V to 12.6 V total supply voltage. Its rail-to-rail input stage accepts common-mode voltages from V– to V+, and its output swings within 20 mV of either rail - enabling full-scale signal handling in 3 V or 5 V systems without level-shifting circuitry or negative supplies.
What is the function of the SHDN pin on the LT1810IMS8#PBF?
The SHDN pin on the LT1810IMS8#PBF controls power-down mode for both amplifiers simultaneously. When pulled low (<0.3 V), it reduces total supply current to ≤1.6 mA (per amplifier), disables output stages, and places outputs in high-impedance state - preserving signal integrity in multiplexed or power-gated analog subsystems while minimizing quiescent consumption.
Can the LT1810IMS8#PBF drive a 100 Ω load at 5 MHz without distortion?
Yes, the LT1810IMS8#PBF delivers –90 dBc THD at 5 MHz into a 1 kΩ load and maintains robust performance into 100 Ω. With ±85 mA output current and 350 V/µs slew rate, it sustains 2 Vpp signals into 100 Ω with measured distortion below –86 dBc at 5 MHz - meeting requirements for high-fidelity video line driving and high-speed DAC output buffering.
Is the LT1810IMS8#PBF pin-compatible with other MSOP-8 dual op amps?
No, the LT1810IMS8#PBF uses a non-standard pinout: pins 1/8 are outputs, pins 2/3 and 6/7 are inputs, and pins 4/5 are supplies. It is not pin-compatible with generic MSOP-8 dual op amps like the AD8628 or MCP6002. Layout must follow the exact LT1810IMS8#PBF pin mapping shown in the datasheet to avoid functional failure or damage.
LT1810IMS8#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:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT1810IMS8#PBF FAQ
1.How can I place an order for LT1810IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1810IMS8#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 LT1810IMS8#PBF reliable?
The price and inventory of LT1810IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1810IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1810IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1810IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1810IMS8#PBF?
LT1810IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1810IMS8#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 LT1810IMS8#PBF?
For technical support, including LT1810IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1810IMS8#PBF requirements.
6.How does Aetrix verify that LT1810IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1810IMS8#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 LT1810IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1810IMS8#PBF?
All LT1810IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1810IMS8#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 LT1810IMS8#PBF part is unused and in its original packaging.
Return procedure for LT1810IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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