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Analog Devices Inc. LT1807CS8#TRPBF
- Part No.:
- LT1807CS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1807CS8#TRPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:600
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Product details
Overview
LT1807CS8#TRPBF from Analog Devices (formerly Linear Technology) is a dual rail-to-rail input and output precision operational amplifier optimized for high-frequency, low-distortion signal conditioning. It delivers a 325MHz gain-bandwidth product, 140V/μs slew rate, and 85mA output current, with 3.5nV/√Hz input voltage noise and –80dBc harmonic distortion at 5MHz-enabling use in high-speed data acquisition, A/D driver, and video line driver applications.
For engineers reviewing the LT1807CS8#TRPBF datasheet, LT1807CS8#TRPBF pinout, LT1807CS8#TRPBF application, or LT1807CS8#TRPBF equivalent, key selection criteria include rail-to-rail swing within 20mV of supply rails, unity-gain stability, ±5V/3V/5V single-supply operation, and dual-channel matching performance across temperature.
Technical Context
The LT1807CS8#TRPBF employs a complementary bipolar input stage enabling rail-to-rail common-mode input range (V– to V+) and rail-to-rail output swing (within 20mV of either rail). Its architecture supports unity-gain stability without external compensation while maintaining 106dB typical CMRR and 105dB PSRR over 2.5V–12.6V supply range.
It features matched dual amplifiers with channel-to-channel offset voltage match ≤1200μV (–40°C to 85°C), input bias current match ≤4.5μA, and shutdown functionality with 50ns turn-off time-making it suitable for power-sensitive dual-path signal chains requiring precise tracking and fast enable/disable control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 325MHz - enables stable closed-loop operation up to ~30MHz at AV = 10, supporting wideband filter and buffer designs |
| Slew Rate | 140V/μs - supports full-scale 4Vpp output at ≥10MHz without slewing-induced distortion |
| Input Voltage Noise | 3.5nV/√Hz at 10kHz - preserves SNR in low-level sensor and ADC front-end amplification |
| Harmonic Distortion | –80dBc at 5MHz - meets requirements for 12-bit+ data acquisition systems driving SAR ADCs |
| Output Current | ±85mA - drives 150Ω video loads or 100Ω transmission lines directly without external buffers |
| Supply Range | 2.5V to 12.6V - operates from single 3V or 5V rails, or split ±5V supplies, simplifying mixed-signal system power design |
| Input Offset Voltage | 700μV max (–40°C to 85°C) - ensures DC accuracy in precision instrumentation and calibration circuits |
Pinout & Package
LT1807CS8#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 |
|---|---|---|
| 1: OUT A | Amplifier A output | Delivers rail-to-rail output swing; capable of sourcing/sinking 85mA |
| 2: –IN A | Inverting input A | High-impedance node with 2pF input capacitance; accepts signals from V– to V+ |
| 3: +IN A | Non-inverting input A | High-impedance node; enables rail-to-rail common-mode input range |
| 4: V– | Negative supply rail | Reference for both amplifiers; thermal pad connection point for heat dissipation |
| 5: V+ | Positive supply rail | Power input for both amplifiers; supports single or split supply configurations |
| 6: OUT B | Amplifier B output | Independent rail-to-rail output; matches OUT A in AC/DC performance |
| 7: –IN B | Inverting input B | Matched to –IN A; channel-to-channel offset voltage ≤1200μV over temperature |
| 8: +IN B | Non-inverting input B | Matched to +IN A; enables differential or independent dual-path signal processing |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Input range extends to both supply rails; output swings within 20mV of V+ or V–, maximizing dynamic range in low-voltage systems |
| Unity-gain stable | No external compensation required for gains ≥1, reducing component count and board area in buffer and gain stages |
| Low distortion at high frequency | –80dBc HD at 5MHz enables clean signal amplification for video, communications, and high-speed data converters |
| Matched dual amplifier pair | Channel-to-channel offset match ≤1200μV and CMRR match ≤100dB ensure accurate differential and instrumentation topologies |
| Wide supply voltage range | Operates from 2.5V to 12.6V, supporting battery-powered, industrial, and automotive subsystems without level-shifting |
Applications
| High-Speed Data Acquisition | A/D Converter Driver |
|---|---|
Use Scenario: Front-end amplification and signal conditioning prior to 10Msps, 12-bit SAR ADC sampling. IC Role / Device Role / Timing Role: Dual-channel gain-of-2 differential driver with matched settling and low THD. Use Value: Achieves 83dB SFDR at 1.4086MHz input using 5.6pF compensation, preserving ENOB in high-resolution digitization. | Use Scenario: Driving multiplexed ADC inputs with fast settling and minimal crosstalk. IC Role / Device Role / Timing Role: Rail-to-rail output buffer isolating ADC input from source impedance variations. Use Value: 60ns 0.01% settling time and 85mA drive capability eliminate external drivers in multi-channel DAQ systems. |
| Video Line Driver | Rail-to-Rail Buffer Amplifier |
Use Scenario: Driving 150Ω composite video (NTSC) lines with minimal gain/phase error. IC Role / Device Role / Timing Role: Unity-gain buffer with <0.015% differential gain and <0.01° differential phase error. Use Value: Meets broadcast-grade video fidelity specs without external passive equalization or feedback tuning. | Use Scenario: Low-voltage sensor interface where input/output must span full supply range. IC Role / Device Role / Timing Role: Single-supply (3V or 5V) buffer amplifying thermocouple or bridge outputs. Use Value: Input common-mode range includes V– and V+, eliminating level-shifting circuitry in portable instrumentation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8066ARZ | Higher 145MHz GBW but lower 30mA output current; no rail-to-rail input; 6.5nV/√Hz noise | Less suitable for low-voltage rail-to-rail input stages or heavy capacitive loads | Prefer when higher bandwidth is needed but rail-to-rail input and high output current are not required |
| OPA2350UA | Lower 38MHz GBW; rail-to-rail I/O; 7nV/√Hz noise; 50mA output; no shutdown pin | Better for ultra-low-noise DC-coupled sensors, worse for >10MHz signal paths | Prefer for precision DC/low-frequency applications where speed and output drive are secondary |
Compared with AD8066ARZ and OPA2350UA, LT1807CS8#TRPBF uniquely combines 325MHz bandwidth, rail-to-rail input/output, 85mA drive, and –80dBc distortion-making it optimal for high-fidelity, high-speed dual-path analog front-ends where dynamic range and fidelity are critical.
Availability
LT1807CS8#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, video line driving, and precision A/D converter interfacing requiring stable component supply across industrial, test equipment, and medical imaging platforms.
Supply support for LT1807CS8#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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LT1807CS8#TRPBF belongs to Linear Technology's precision high-speed op amp family, designed specifically for demanding signal chain applications requiring wide bandwidth, low distortion, rail-to-rail operation, and robust dual-channel matching.
FAQ
What is the operating temperature range for LT1807CS8#TRPBF?
The LT1807CS8#TRPBF is specified for operation from 0°C to 70°C (commercial grade). Its electrical characteristics-including gain-bandwidth, slew rate, and offset voltage-are guaranteed across this range per the datasheet's "l"-marked specifications. For extended industrial operation (–40°C to 85°C), the LT1807IS8#TRPBF variant is recommended.
Does LT1807CS8#TRPBF support single-supply operation?
Yes, LT1807CS8#TRPBF supports true single-supply operation from 2.5V to 12.6V. Its rail-to-rail input stage accepts common-mode voltages from V– to V+, and its output swings within 20mV of either rail-enabling full dynamic range utilization in 3V or 5V systems without level-shifting circuitry.
Is LT1807CS8#TRPBF unity-gain stable?
Yes, LT1807CS8#TRPBF is unity-gain stable without external compensation. The datasheet confirms stable operation at closed-loop gains ≥1, verified by phase margin measurements ≥45° across supply voltages (3V, 5V, ±5V) and temperatures. This eliminates the need for gain-setting resistors or compensation networks in buffer configurations.
What is the shutdown functionality of LT1807CS8#TRPBF?
LT1807CS8#TRPBF does not include a shutdown pin. Shutdown functionality is present only on the single-channel LT1806 variants (e.g., LT1806CS8#TRPBF). The LT1807CS8#TRPBF is a dual op amp without enable/disable control-its quiescent current remains ~14mA per amplifier under all operating conditions.
How does LT1807CS8#TRPBF perform driving capacitive loads?
LT1807CS8#TRPBF exhibits controlled overshoot (<45%) with up to 1000pF capacitive load when a series output resistor (ROS = 10–50Ω) is used. Per Figure G31/G32, stability is maintained at AV = 1 and AV = 2 with ROS compensation, making it suitable for driving ADC input capacitors, cables, and LCD column drivers without oscillation.
LT1807CS8#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:
- 140V/µs
- Gain Bandwidth Product:
- 325 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 µA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 9mA (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
LT1807CS8#TRPBF FAQ
1.How can I place an order for LT1807CS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1807CS8#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 LT1807CS8#TRPBF reliable?
The price and inventory of LT1807CS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1807CS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1807CS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1807CS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1807CS8#TRPBF?
LT1807CS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1807CS8#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 LT1807CS8#TRPBF?
For technical support, including LT1807CS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1807CS8#TRPBF requirements.
6.How does Aetrix verify that LT1807CS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1807CS8#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 LT1807CS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1807CS8#TRPBF?
All LT1807CS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1807CS8#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 LT1807CS8#TRPBF part is unused and in its original packaging.
Return procedure for LT1807CS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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