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Analog Devices Inc. LT1195CN8#PBF
- Part No.:
- LT1195CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Video Amps and Modules
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1195CN8#PBF.pdf
- Description:
- IC AMP GENERAL PURPOSE 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:4,050
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Product details
Overview
LT1195CN8#PBF from Analog Devices (formerly Linear Technology) is a low-power, high-speed voltage-feedback operational amplifier optimized for single 5V and ±5V supply video signal conditioning. It delivers 50MHz gain-bandwidth product, 165V/µs slew rate, ±20mA output current, 7.5V/mV large-signal voltage gain, and features output shutdown via Pin 5 - enabling use in video cable drivers and fast pulse detection circuits.
For engineers reviewing the LT1195CN8#PBF datasheet, LT1195CN8#PBF pinout, LT1195CN8#PBF application, or LT1195CN8#PBF equivalent, key selection considerations include its unity-gain stability, 8.5MHz full-power bandwidth into 6VP-P, industry-standard 8-pin DIP pinout, shutdown functionality, and verified performance in composite video amplification and twisted-pair transmission systems.
Technical Context
The LT1195CN8#PBF employs a voltage-feedback architecture with internal compensation for unity-gain stability and 60° phase margin. Its high open-loop gain (>75dB) and low input offset voltage (3.0–10.0mV) support precision DC-coupled signal paths, while the 165V/µs slew rate and 125ns rise time (AV = 50) enable faithful reproduction of fast video transients.
Pin 5 provides active-low shutdown control, reducing supply current to ≤1.5mA and output impedance to ~15kΩ || feedback network. The device operates across 0°C to 70°C and supports dual ±5V or single 5V supply configurations, with rail-to-rail input common-mode range (–2.5V to +3.5V) and ±3.8V output swing into 1kΩ.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 50MHz - ensures stable unity-gain operation and supports closed-loop bandwidths up to 50MHz with minimal phase loss. |
| Slew Rate | 165V/µs - enables accurate reproduction of 150ns-wide video pulses without slew-induced distortion. |
| Output Current | ±20mA - drives 75Ω coaxial cables or 150Ω loads to 6VP-P at 8.5MHz full-power bandwidth. |
| Supply Current | 12mA - low quiescent draw allows integration into power-sensitive video front-ends and portable equipment. |
| Input Offset Voltage | 3.0–10.0mV (J8/N8) - enables DC-coupled video gain stages with <0.3% gain error in 2× amplifiers. |
| Common-Mode Rejection | 60–85dB - suppresses noise coupling from shared supply rails in multi-amplifier video distribution systems. |
| Shutdown Supply Current | ≤1.5mA - reduces system standby power by >90%, critical for multiplexed video routing applications. |
Pinout & Package
LT1195CN8#PBF is housed in an 8-lead plastic DIP (N8) package with 0.300-inch body width and through-hole mounting. Pin spacing is 0.100 inch, lead finish is matte tin, and maximum junction temperature is 150°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (BAL) | Offset Null Adjustment | Connects to wiper of 1k–10k potentiometer between Pins 4 and 8 to trim input offset voltage over ±150mV range. |
| 2 (–IN) | Inverting Input | Differential input node; accepts signals within –2.5V to +3.5V common-mode range on ±5V supplies. |
| 3 (+IN) | Non-Inverting Input | Differential input node; same common-mode range as Pin 2; used in non-inverting configurations for MUX applications. |
| 4 (V–) | Negative Supply Rail | Connects to ground (single 5V) or –5V (dual supply); Pin 5 must be tied to this node to activate shutdown. |
| 5 (S/D) | Shutdown Control | Active-low enable: grounding disables output and reduces supply current to ≤1.5mA; open-circuit enables normal operation. |
| 6 (OUT) | Amplifier Output | Capable of ±20mA sourcing/sinking; maintains high-impedance state during shutdown (15kΩ || feedback network). |
| 7 (V+) | Positive Supply Rail | Accepts +5V (single supply) or +5V (dual supply); total supply voltage range is ±2.375V to ±8V. |
| 8 (BAL) | Offset Null Adjustment | Completes nulling circuit with Pin 1; unused in standard configurations but required for precision DC offset correction. |
Key Features
| Feature | Design Value |
|---|---|
| Unity-Gain Stable Architecture | Guarantees stable operation at AV = 1 with 60° phase margin - eliminates need for external compensation in video buffer designs. |
| Output Shutdown Function | Reduces power dissipation to 15mW and places output in true high-impedance state - enables seamless video signal multiplexing without loading downstream stages. |
| Single 5V Operation Support | Validated for 5V-only supply with 2V bias point and rail-compatible input/output swing - simplifies power design in consumer video interfaces. |
| Low Differential Gain/Phase Error | 1.25% differential gain and 0.86° differential phase (NTSC, RL = 150Ω) - preserves color fidelity in composite video amplification. |
| Industry-Standard Pinout | Pin-compatible with legacy op amps (e.g., LM741, LT1013) - allows drop-in replacement in existing 8-pin DIP layouts without PCB revision. |
Applications
| Video Cable Drivers | Fast Pulse Detectors |
|---|---|
Use Scenario: Driving 75Ω coaxial video cables in security camera systems and broadcast monitors. IC Role / Device Role / Timing Role: High-current voltage amplifier providing 2× gain and double-termination drive capability. Use Value: Delivers 6VP-P signal at 8.5MHz full-power bandwidth with <1.25% differential gain error, preserving NTSC/PAL chroma integrity. |
Use Scenario: Detecting nanosecond-scale logic pulses in test equipment and digital timing analyzers. IC Role / Device Role / Timing Role: Open-loop comparator with 2.5ns propagation delay and 125ns settling to 0.1%. Use Value: Achieves sub-10ns pulse response using internal 165V/µs slew rate and 3.4ns rise time (AV = 1), outperforming general-purpose op amps. |
| Twisted-Pair Video Transmission | Fast Integrators & Peak Detectors |
Use Scenario: Transmitting composite video over 1000ft unshielded twisted-pair in industrial CCTV networks. IC Role / Device Role / Timing Role: Differential line driver paired with LT1187 receiver, providing cable equalization and 4MHz compensated bandwidth. Use Value: Enables full-color burst transmission with vector plot fidelity maintained over 1000ft, leveraging ±20mA drive and 1000pF cable compensation. |
Use Scenario: Converting fast analog pulses to amplitude-proportional DC levels in medical imaging and laser rangefinders. IC Role / Device Role / Timing Role: Precision integrator/peak detector with low input bias current (±0.5µA) and high open-loop gain (7.5V/mV). Use Value: Maintains <0.1% integration error over 220ns settling window, supported by 75dB CMRR and 70nV/√Hz input noise. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1360CN8#PBF | Higher GBW (100MHz), higher supply current (16mA), no shutdown pin; SO-8 only (no PDIP option). | Lacks Pin 5 shutdown - unsuitable for multiplexed video routing; better for wideband active filters requiring >50MHz bandwidth. | Select LT1360CN8#PBF only when shutdown is unnecessary and ≥100MHz closed-loop bandwidth is required. |
| OPA690U | Higher slew rate (1800V/µs), wider supply range (±5V to ±12V), no shutdown, SO-8 only; 3.5mV VOS typical. | No Pin 5 control - incompatible with LT1195CN8#PBF's multiplexing topology; suited for RF/IF gain blocks, not video cable driving. | Choose OPA690U only for ultra-high-speed pulse amplification where 165V/µs is insufficient and DIP packaging is not required. |
Compared with LT1360CN8#PBF and OPA690U, the LT1195CN8#PBF uniquely balances low power (12mA), integrated shutdown, 8-pin DIP compatibility, and video-optimized distortion performance - making it irreplaceable in cost-sensitive, space-constrained, or multiplexed video infrastructure designs.
Availability
LT1195CN8#PBF is available at Aetrix Electronics and suitable for video surveillance systems, broadcast equipment, industrial CCTV, and test instrumentation requiring stable component supply with long-term lifecycle assurance.
Supply support for LT1195CN8#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 acquired Linear Technology in 2017 and maintains full technical and manufacturing continuity for legacy Linear products including the LT1195 family.
The LT1195CN8#PBF belongs to Linear's precision high-speed op amp product line, designed specifically for video signal integrity, low-power analog front-ends, and applications demanding unity-gain stability with minimal external components.
FAQ
What is the operating temperature range for the LT1195CN8#PBF?
The LT1195CN8#PBF is rated for 0°C to 70°C ambient operation, matching the "C" grade specification defined in the official Linear Technology datasheet. This range is validated for all electrical parameters including input offset voltage (3.0–10.0mV), slew rate (165V/µs), and shutdown current (≤1.5mA). Operation outside this range may degrade performance or violate absolute maximum ratings.
Does the LT1195CN8#PBF support single-supply operation?
Yes, the LT1195CN8#PBF is explicitly optimized for single 5V supply operation, as confirmed in the datasheet's "Single 5V Video Amplifier" application circuit (Figure AI04). It achieves usable input common-mode range (2.0V to 3.5V) and output swing (≥3.5V high, ≤0.4V low into 150Ω) under +5V/V– = GND conditions, enabling direct integration into 5V-only video systems.
How does the shutdown feature of the LT1195CN8#PBF work electrically?
The LT1195CN8#PBF activates shutdown when Pin 5 (S/D) is pulled to V– (ground in single-supply mode). This reduces supply current to ≤1.5mA and places the output in a high-impedance state (~15kΩ in parallel with external feedback resistors), verified by scope waveforms in Figure AI03. Turn-off time is 700ns, turn-on time is 160ns, both measured into 1kΩ load.
Can the LT1195CN8#PBF drive a 75Ω coaxial cable directly?
Yes - the LT1195CN8#PBF guarantees ±20mA output current and is characterized for 75Ω double-terminated cable driving per Figures AI01 and AI02. With RFB = 1kΩ and RG = 330Ω (AV = 2), it delivers flat gain to 10MHz and meets NTSC differential gain/phase specs (1.25%/0.86°) into 75Ω, as documented in the Electrical Characteristics table.
Is the LT1195CN8#PBF pin-compatible with other 8-pin DIP op amps?
Yes, the LT1195CN8#PBF uses the industry-standard 8-pin DIP pinout (Pin 1 = BAL, Pin 2 = –IN, Pin 3 = +IN, Pin 4 = V–, Pin 5 = S/D, Pin 6 = OUT, Pin 7 = V+, Pin 8 = BAL), matching LM741 and LT1013 footprints. However, Pin 5 is unique to LT1195 and must be left open or pulled to V– - unused pins on legacy parts should not be shorted or driven.
LT1195CN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Obsolete
- Applications:
- General Purpose
- Output Type:
- -
- Number of Circuits:
- 1
- -3db Bandwidth:
- -
- Slew Rate:
- 165V/µs
- Current - Supply:
- 12 mA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply, Single/Dual (±):
- 4.75V ~ 16V, ±2.38V ~ 8V
- Mounting Type:
- Through Hole
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- 8-PDIP
LT1195CN8#PBF FAQ
1.How can I place an order for LT1195CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1195CN8#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 LT1195CN8#PBF reliable?
The price and inventory of LT1195CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1195CN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1195CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1195CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1195CN8#PBF?
LT1195CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1195CN8#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 LT1195CN8#PBF?
For technical support, including LT1195CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1195CN8#PBF requirements.
6.How does Aetrix verify that LT1195CN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1195CN8#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 LT1195CN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1195CN8#PBF?
All LT1195CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1195CN8#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 LT1195CN8#PBF part is unused and in its original packaging.
Return procedure for LT1195CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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