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Analog Devices Inc. LT1810CS8#TRPBF
- Part No.:
- LT1810CS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1810CS8#TRPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,652
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Product details
Overview
LT1810CS8#TRPBF 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 –90 dBc distortion at 5 MHz - enabling precision ADC driving and video line buffering in ±5V or single 5V systems.
For engineers reviewing the LT1810CS8#TRPBF datasheet, LT1810CS8#TRPBF pinout, LT1810CS8#TRPBF application, or LT1810CS8#TRPBF equivalent, this page provides verified pin configuration, real-world application context, confirmed alternative op amps with functional trade-offs, and supply-chain support details for industrial and test equipment designs.
Technical Context
The LT1810CS8#TRPBF integrates two independent high-speed amplifiers sharing a common 8-pin SO package with standard dual op amp pinout (OUT A, –IN A, +IN A, V–, V+, OUT B, –IN B, +IN B). Its complementary bipolar input stage enables rail-to-rail common-mode input range (V– to V+) and rail-to-rail output swing within 20 mV of either rail under 25 mA load.
It operates from 2.5 V to 12.6 V total supply voltage, supports shutdown via dedicated SHDN pin (not present on LT1810), and maintains stable performance across –40°C to 85°C. The device exhibits 89 dB typical CMRR and 87 dB PSRR, with matched channel parameters critical for differential signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3dB Bandwidth | 320 MHz at AV = 1 - supports wideband analog front-ends without phase loss up to UHF. |
| Slew Rate | 350 V/µs - enables clean 5 MHz full-scale sine wave reproduction with <0.1% distortion. |
| Output Current | ±85 mA - drives 100 Ω loads directly, eliminating external buffers in video and DAC output stages. |
| Input Offset Voltage | ≤3.0 mV max (TA = 25°C) - ensures DC accuracy in precision gain blocks and sensor interfaces. |
| Supply Range | 2.5 V to 12.6 V - compatible with 3.3 V, 5 V, and ±5 V systems without level-shifting. |
| THD @ 5 MHz | –90 dBc - meets 12-bit+ data acquisition requirements for high-fidelity sampling. |
| Operating Temp | –40°C to 85°C - qualified for industrial control and instrumentation environments. |
Pinout & Package
LT1810CS8#TRPBF is housed in an 8-lead plastic SO (Small Outline) package with standard dual op amp pinout and JEDEC MS-012AC footprint. Thermal resistance θJA = 100°C/W with recommended PCB copper layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT A | Amplifier A output | Delivers rail-to-rail output swing; capable of sourcing/sinking 85 mA. |
| –IN A | Inverting input A | High-impedance node; accepts signals from V– to V+ without phase reversal. |
| +IN A | Non-inverting input A | Same rail-to-rail common-mode range as –IN A; matched offset and bias current. |
| V– | Negative supply rail | Reference for both amplifiers; thermal pad connection point for heat dissipation. |
| V+ | Positive supply rail | Supplies both amplifiers; supports single-ended (0V–5V) or split (±5V) operation. |
| OUT B | Amplifier B output | Independent output with identical AC/DC specs to OUT A; enables dual-channel signal paths. |
| –IN B | Inverting input B | Matched to –IN A for differential applications; channel-to-channel VOS match ≤1.2 mV. |
| +IN B | Non-inverting input B | Matched to +IN A; supports precise instrumentation amplifier configurations. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Input common-mode range extends to both supply rails; output swings within 20 mV of V+ or V– at 25 mA load - maximizes dynamic range in low-voltage systems. |
| Low distortion | –90 dBc THD at 5 MHz enables use in 12-bit+ ADC drivers and video reconstruction filters without post-correction. |
| High output drive | 85 mA short-circuit current allows direct interface to 100 Ω transmission lines and active filter feedback networks. |
| Wide supply flexibility | Operates from 2.5 V to 12.6 V total supply - supports battery-powered portable instruments and legacy ±5 V test equipment. |
| Channel matching | Typical channel-to-channel VOS match ≤1.2 mV and CMRR match ≤82 dB - essential for dual-op-amp circuits like difference amplifiers and programmable gain stages. |
Applications
| High-Speed ADC Driver | Video Line Driver |
|---|---|
Use Scenario: Driving the analog input of a 10–12 bit, 10 Msps ADC in a data acquisition system with ±5 V supplies. IC Role / Device Role / Timing Role: Buffer and level-shift sensor output while preserving fast edge integrity and minimizing harmonic distortion. Use Value: 350 V/µs slew rate and –90 dBc THD ensure accurate digitization of 5 MHz full-scale signals without aperture jitter or spectral leakage. | Use Scenario: Driving 75 Ω coaxial video lines in broadcast-quality SD/HD composite or component video outputs. IC Role / Device Role / Timing Role: Unity-gain buffer with fast settling and minimal differential gain/phase error (0.01%/0.01°). Use Value: 320 MHz bandwidth and rail-to-rail output enable full-swing NTSC/PAL signal delivery with <0.1% linearity error. |
| Active Filter Stage | Rail-to-Rail Sensor Interface |
Use Scenario: Implementing a 4th-order Sallen-Key low-pass filter for anti-aliasing prior to ADC sampling. IC Role / Device Role / Timing Role: Dual amplifier providing gain stage and unity-gain buffer in same package to minimize board area and inter-stage coupling. Use Value: Matched channel specs ensure consistent filter response; 180 MHz GBW supports cutoff frequencies up to 20 MHz. | Use Scenario: Conditioning output from a 0–2.5 V rail-referenced temperature sensor in a 3.3 V microcontroller system. IC Role / Device Role / Timing Role: Non-inverting amplifier with gain = 2, referenced to 0 V and 3.3 V rails. Use Value: Input range includes both rails and output swings to within 20 mV of 0 V/3.3 V - eliminates need for external biasing or level shifters. |
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 power (3.5 mA per amp), lower slew rate (225 V/µs), 1 GHz GBW, no rail-to-rail input. | Better for low-noise, low-power portable instruments; unsuitable for rail-to-rail sensor inputs. | Select when power budget is constrained and input signal stays >100 mV from rails. |
| OPA2837IDR | Higher slew rate (425 V/µs), 200 MHz GBW, rail-to-rail output only, not input; higher input bias current (±2 µA). | Preferred for ultra-fast pulse amplification where input common-mode range is not rail-limited. | Choose when driving capacitive loads >100 pF or requiring faster transient response than LT1810CS8#TRPBF. |
Compared with ADA4897-2ARMZ and OPA2837IDR, the LT1810CS8#TRPBF uniquely combines rail-to-rail input *and* output, 350 V/µs slew rate, and –90 dBc distortion at 5 MHz - making it optimal for dual-channel, low-voltage, high-fidelity signal chains where input headroom and output swing are simultaneously constrained.
Availability
LT1810CS8#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, video signal routing, active filtering, and rail-to-rail sensor interfacing requiring stable component supply across industrial, test & measurement, and medical OEM programs.
Supply support for LT1810CS8#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, 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 LT1810CS8#TRPBF belongs to ADI's legacy Linear Technology high-speed op amp portfolio, designed specifically for demanding signal conditioning tasks in precision instrumentation, high-resolution data converters, and video infrastructure where speed, linearity, and rail compatibility are co-critical.
FAQ
What is the maximum supply voltage for LT1810CS8#TRPBF?
The absolute maximum total supply voltage (V+ to V–) for LT1810CS8#TRPBF is 12.6 V. Operation beyond this rating risks permanent damage. The device is fully specified from 2.5 V to 12.6 V, with guaranteed performance at 3 V, 5 V, and ±5 V supplies. For long-term reliability, maintain continuous operation within the 2.5–12.6 V range and observe thermal limits per the datasheet's θJA specification.
Does LT1810CS8#TRPBF have a shutdown pin?
No, LT1810CS8#TRPBF does not include a shutdown pin. Shutdown functionality is available only on the single-channel LT1809 variant (e.g., LT1809CS8#TRPBF). The LT1810CS8#TRPBF is a dual op amp without integrated power-down control; power management must be handled externally via supply rail sequencing or discrete switching if required.
What is the output voltage swing capability of LT1810CS8#TRPBF at 25 mA load?
At 25 mA load, LT1810CS8#TRPBF delivers rail-to-rail output swing: output low (VOL) is ≤425 mV above V– and output high (VOH) is ≥775 mV below V+ when operating at ±5 V supplies and TA = –40°C to 85°C. This ensures >4.5 Vpp usable swing into 200 Ω loads, critical for driving ADC references and video lines without clipping.
Can LT1810CS8#TRPBF drive a 100 Ω load continuously?
Yes, LT1810CS8#TRPBF is rated for ±85 mA output current and can drive a 100 Ω load continuously at ±4 V output swing with proper thermal management. At ±5 V supplies, full-scale 8 Vpp output into 100 Ω draws 80 mA per amplifier - within spec. Ensure PCB copper area on V– pin meets Linear Technology's thermal guidelines (θJA = 100°C/W) to maintain junction temperature ≤150°C.
Is LT1810CS8#TRPBF pin-compatible with industry-standard dual op amp packages?
Yes, LT1810CS8#TRPBF uses the standard 8-pin SO dual op amp pinout (OUT A, –IN A, +IN A, V–, V+, OUT B, –IN B, +IN B), matching industry conventions including LM358, OP27, and ADA4077-2 footprints. No PCB redesign is needed when upgrading from legacy dual op amps requiring higher speed, lower distortion, or rail-to-rail I/O - provided thermal and decoupling layouts meet high-frequency requirements.
LT1810CS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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-SO
LT1810CS8#TRPBF FAQ
1.How can I place an order for LT1810CS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1810CS8#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 LT1810CS8#TRPBF reliable?
The price and inventory of LT1810CS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1810CS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1810CS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1810CS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1810CS8#TRPBF?
LT1810CS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1810CS8#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 LT1810CS8#TRPBF?
For technical support, including LT1810CS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1810CS8#TRPBF requirements.
6.How does Aetrix verify that LT1810CS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1810CS8#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 LT1810CS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1810CS8#TRPBF?
All LT1810CS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1810CS8#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 LT1810CS8#TRPBF part is unused and in its original packaging.
Return procedure for LT1810CS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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