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Analog Devices Inc. LT1807IS8#TRPBF
- Part No.:
- LT1807IS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1807IS8#TRPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,652
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Product details
Overview
LT1807IS8#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 in 3V–12.6V systems. It delivers 325MHz gain-bandwidth, 140V/μs slew rate, 85mA output current, –80dBc harmonic distortion at 5MHz, and 3.5nV/√Hz input voltage noise-enabling high-fidelity driving of 10Msps ADCs in data acquisition front-ends.
For engineers reviewing the LT1807IS8#TRPBF datasheet, LT1807IS8#TRPBF pinout, LT1807IS8#TRPBF application, or LT1807IS8#TRPBF equivalent, this page provides verified specifications, SO-8 package terminal mapping, dual-op-amp system integration guidance, and validated alternatives for rail-to-rail buffer, A/D driver, active filter, and video line driver designs.
Technical Context
The LT1807IS8#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 unity-gain stable architecture supports wide supply operation from 2.5V to 12.6V with guaranteed performance at ±5V, 5V, and 3V.
It features matched dual amplifiers with channel-to-channel offset voltage ≤1400μV (–40°C to 85°C), CMRR ≥75dB, PSRR ≥86dB, and shutdown functionality with 80ns turn-on/50ns turn-off timing-making it suitable for power-sensitive dual-path instrumentation and differential signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 325MHz - enables stable closed-loop operation up to ~10MHz at AV = 32 without compensation. |
| Slew Rate | 140V/μs - supports full-scale 4Vpp output at 10MHz without slewing-induced distortion. |
| Input Voltage Noise | 3.5nV/√Hz @ 10kHz - preserves SNR in low-level sensor signal amplification stages. |
| Harmonic Distortion | –80dBc @ 5MHz - meets SFDR >83dB requirements for 12-bit, 10Msps ADC drivers. |
| Output Current | ±85mA - drives 150Ω video loads or 100Ω ADC inputs directly without external buffers. |
| Supply Range | 2.5V to 12.6V - operates from single 3V logic rails or split ±5V analog supplies. |
| Operating Temp | –40°C to +85°C - qualified for industrial temperature-grade reliability in embedded systems. |
Pinout & Package
LT1807IS8#TRPBF is housed in an 8-pin 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 per Linear Technology thermal guidelines.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - rail-to-rail swing capable; requires series resistor for capacitive load stability. |
| 2 | –IN A | Inverting input of Amplifier A - high-impedance node; sensitive to PCB leakage and stray capacitance. |
| 3 | +IN A | Non-inverting input of Amplifier A - accepts signals from V– to V+ rails without phase reversal. |
| 4 | V– | Negative supply rail - also serves as thermal and electrical reference for both amplifiers. |
| 5 | V+ | Positive supply rail - decoupling capacitor required within 1cm for high-frequency stability. |
| 6 | OUT B | Amplifier B output - electrically isolated but thermally coupled to OUT A; share same supply pins. |
| 7 | –IN B | Inverting input of Amplifier B - matched to –IN A for differential applications (ΔVOS ≤1400μV). |
| 8 | +IN B | Non-inverting input of Amplifier B - identical input structure and ESD protection as +IN A. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Enables maximum dynamic range in low-voltage (3V) systems: input accepts V– to V+, output swings to within 20mV of either rail. |
| Low distortion at high frequency | –80dBc HD2+HD3 at 5MHz ensures clean signal integrity for video and high-speed data converter interfaces. |
| High output drive capability | 85mA sink/source supports direct driving of 100Ω ADC inputs or 150Ω video lines without external buffers. |
| Matched dual amplifier pair | Channel-to-channel offset match ≤1400μV and CMRR match ≥69dB support precision differential gain stages. |
| Unity-gain stable | Operates stably at AV = 1 without external compensation, simplifying active filter and buffer designs. |
Applications
| ADC Driver | Video Line Driver |
|---|---|
Use Scenario: Driving the analog input of a 12-bit, 10Msps successive-approximation ADC with 4.096V reference and PGA gain = 1. IC Role / Device Role / Timing Role: Differential gain-of-20 A/D driver with 83dB SFDR, configured per LTC1420 reference design. Use Value: Delivers 0.01% settling in 120ns and maintains –80dBc distortion at 5MHz, meeting 12-bit ENOB requirements without post-conversion correction. | Use Scenario: Buffering composite NTSC video signals in portable medical imaging equipment with 150Ω back-terminated coaxial outputs. IC Role / Device Role / Timing Role: Unity-gain rail-to-rail video buffer with <0.015% differential gain error and <0.01° differential phase error. Use Value: Preserves color fidelity and sync pulse integrity across 0–4.2MHz bandwidth without external AC-coupling or level-shifting components. |
| Active Filter | Rail-to-Rail Sensor Interface |
Use Scenario: 4th-order Butterworth anti-aliasing filter preceding a high-resolution delta-sigma ADC in vibration monitoring hardware. IC Role / Device Role / Timing Role: Dual-amplifier Sallen-Key topology implementing 2-pole sections with matched gain and phase response. Use Value: Leverages channel matching (CMRR match ≥69dB, PSRR match ≥80dB) to minimize common-mode feedthrough and maintain stopband rejection >60dB. | Use Scenario: Amplifying low-level bridge sensor outputs (e.g., pressure transducers) operating from a 3.3V single supply with no negative rail. IC Role / Device Role / Timing Role: Single-supply instrumentation amplifier front-end using one LT1807 amplifier in difference configuration. Use Value: Input common-mode range includes ground (V–), enabling direct connection of grounded sensor bridges without level-shifting circuitry. |
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 |
|---|---|---|---|
| ADA4897-2ARMZ | Lower noise (1nV/√Hz), lower supply current (3.5mA vs 16mA), but GBW = 225MHz and no shutdown pin. | Better for battery-powered precision instruments; less suitable for high-current video or ADC driving. | Select when ultra-low noise dominates over output drive and shutdown control. |
| OPA2837IDGKT | Higher slew rate (280V/μs), wider supply (2.7–12.6V), but higher distortion (–72dBc @ 5MHz) and no rail-to-rail input. | Preferred for fast pulse amplification; unsuitable for DC-coupled sensor interfaces requiring rail-to-rail input. | Select when speed outweighs distortion and input range constraints in transient signal paths. |
Compared with ADA4897-2ARMZ and OPA2837IDGKT, the LT1807IS8#TRPBF uniquely balances 325MHz GBW, rail-to-rail I/O, –80dBc distortion, and 85mA drive in a single industrial-temperature SO-8 package-making it optimal for dual-path, mixed-signal data acquisition where all four attributes are concurrently required.
Availability
LT1807IS8#TRPBF is available at Aetrix Electronics and suitable for industrial data acquisition, medical imaging front-ends, test equipment signal chains, and video processing modules requiring stable component supply across extended temperature ranges.
Supply support for LT1807IS8#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 semiconductors, formed through the acquisition of Linear Technology in 2017.
The LT1807IS8#TRPBF belongs to ADI's legacy Linear Technology precision op amp product line, engineered specifically for high-speed, low-noise, rail-to-rail signal conditioning in data acquisition, instrumentation, and video systems.
FAQ
What is the maximum supply voltage for LT1807IS8#TRPBF?
The absolute maximum total supply voltage (V+ to V–) for LT1807IS8#TRPBF is 12.6V. Operation beyond this rating risks permanent damage. The device is fully specified and characterized from 2.5V to 12.6V, with guaranteed performance at ±5V, 5V, and 3V supplies. For long-term reliability, Analog Devices recommends staying within the 2.5V–12.6V operating range and observing thermal limits per the SO-8 θJA = 100°C/W specification.
Does LT1807IS8#TRPBF support true rail-to-rail input and output?
Yes, LT1807IS8#TRPBF supports true rail-to-rail input (common-mode range extends from V– to V+) and rail-to-rail output (swings within 20mV of either supply rail under load). This is confirmed in the datasheet's "Input Common Mode Range" and "Output Voltage Swing" specifications across all supply conditions (±5V, 5V, 3V) and temperature (–40°C to 85°C). The complementary bipolar input stage enables this behavior without phase reversal when inputs exceed the rails.
What is the typical harmonic distortion performance of LT1807IS8#TRPBF at 5MHz?
The typical harmonic distortion (HD2+HD3) of LT1807IS8#TRPBF is –80dBc at 5MHz, measured under conditions of AV = 1, RL = 1kΩ, and VO = 2VP-P with ±5V supplies. This value is explicitly stated in the "ELECTRICAL CHARACTERISTICS" table on page 8 of the datasheet and is validated across the –40°C to 85°C industrial temperature range. It enables SFDR >83dB in 10Msps ADC driver applications as demonstrated in the "Gain of 20 Differential A/D Driver" reference circuit.
Is LT1807IS8#TRPBF pin-compatible with other dual op amps in SO-8 packages?
No, LT1807IS8#TRPBF uses the industry-standard dual op amp pinout (OUT A, –IN A, +IN A, V–, V+, OUT B, –IN B, +IN B), which matches generic SO-8 dual op amp footprints-but functional compatibility depends on electrical characteristics. It is not a drop-in replacement for devices lacking rail-to-rail I/O, shutdown capability, or matching GBW/slew rate. Always verify biasing, stability compensation, and load drive requirements before substitution. The datasheet confirms this pinout in the "PIN CONFIGURATION" diagram for the S8 package.
What is the shutdown current consumption of LT1807IS8#TRPBF?
When the SHDN pin is driven to 0.3V (logic low), LT1807IS8#TRPBF reduces supply current to 0.4mA (typical) and 1.2mA (max) per amplifier at 5V supply, as specified in the "Disable Supply Current" parameter on page 4 of the datasheet. Shutdown output leakage remains ≤1.2μA, ensuring minimal loading on downstream circuits. Turn-on time is 80ns and turn-off time is 50ns, supporting fast power cycling in burst-mode signal chains.
LT1807IS8#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:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1807IS8#TRPBF FAQ
1.How can I place an order for LT1807IS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1807IS8#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 LT1807IS8#TRPBF reliable?
The price and inventory of LT1807IS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1807IS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1807IS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1807IS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1807IS8#TRPBF?
LT1807IS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1807IS8#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 LT1807IS8#TRPBF?
For technical support, including LT1807IS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1807IS8#TRPBF requirements.
6.How does Aetrix verify that LT1807IS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1807IS8#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 LT1807IS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1807IS8#TRPBF?
All LT1807IS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1807IS8#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 LT1807IS8#TRPBF part is unused and in its original packaging.
Return procedure for LT1807IS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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