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Analog Devices Inc. LT1210CT7#06PBF
- Part No.:
- LT1210CT7#06PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- TO-220-7
- Datasheet:
-
LT1210CT7#06PBF.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT TO220-7
- Quantity:
- Payment:
- Shipping:
Inventory:2,238
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Product details
Overview
LT1210CT7#06PBF from Analog Devices is a current-feedback operational amplifier optimized for high-output-current, wide-bandwidth applications. It delivers 1.1A minimum output drive, 35MHz bandwidth at AV = 2 with 10Ω load, and 900V/µs slew rate under ±15V supplies - enabling robust cable driving, video buffering, and ADSL line driver functions in industrial test equipment and communications infrastructure.
For engineers reviewing the LT1210CT7#06PBF datasheet, LT1210CT7#06PBF pinout, LT1210CT7#06PBF application, or LT1210CT7#06PBF equivalent, this page provides verified package mapping (T7/TO-220), confirmed thermal performance (θJC = 5°C/W), shutdown behavior (IS < 200µA), capacitive-load stability (CL ≤ 10,000pF), and precise gain-bandwidth tradeoffs across supply voltages (±5V to ±15V).
Technical Context
The LT1210CT7#06PBF uses a current-feedback architecture with separate high-impedance input stage (10MΩ) and low-impedance output stage, enabling fast settling and stable operation into large capacitive loads without external compensation. Its transresistance gain (ROL = 75–260kΩ) and differential input structure support precision gain-setting via feedback resistors, while internal bias control allows quiescent current adjustment via the SHUTDOWN pin.
Thermal protection and short-circuit limiting are integrated, with junction temperature cutoff at 150°C. The T7 package's 5°C/W junction-to-case thermal resistance enables reliable operation at full output power when mounted on a heatsink - critical for continuous 1.1A drive into low-Z loads like coaxial cables or twisted-pair lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 35MHz at AV = 2, RL = 10Ω - supports NTSC/PAL video signal amplification up to 10MHz fundamental with margin. |
| Slew Rate | 900V/µs at AV = 2, RL = 10Ω - ensures minimal distortion on fast-rising video sync pulses and high-frequency data edges. |
| Output Drive | 1.1A min into RL = 1Ω - drives 75Ω coaxial cables, 100Ω twisted pairs, or multiple parallel loads without gain compression. |
| Supply Range | ±5V to ±15V - compatible with legacy ±12V and modern ±5V systems; SO-16 variant limited to ±5V, but T7 supports full range. |
| Shutdown Current | <200µA - reduces system standby power in multi-channel line drivers or battery-backed instrumentation. |
| Capacitive Load Stability | Stable with CL = 10,000pF - eliminates need for external isolation resistors when driving long cables or ADC input filters. |
| Input Impedance | 10MΩ - minimizes loading on high-Z sensor outputs or DAC buffers in precision signal chains. |
Pinout & Package
LT1210CT7#06PBF is housed in a 7-lead TO-220 (T7) package with exposed metal tab electrically connected to V+. Thermal resistance is θJC = 5°C/W, requiring mechanical mounting to a heatsink for sustained high-current operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier Output | Low-impedance current-source/sink node capable of ±1.1A; connects directly to load or cable shield ground. |
| 2 (V–) | Negative Supply Rail | Power return path; must be decoupled with ≥4.7µF tantalum + 100nF ceramic near pin. |
| 3 (COMP) | Compensation Terminal | Optional 0.01µF capacitor to OUT flattens response with capacitive loads; leave open for purely resistive loads. |
| 4 (V+) | Positive Supply Rail | Power input; tab is internally bonded to V+, so heatsink must be isolated or tied to V+ potential. |
| 5 (SHUTDOWN) | Current Control Input | Drives internal bias current; connect to GND/V– for normal operation, or pull to V+ for shutdown (<200µA IS). |
| 6 (+IN) | Noninverting Input | High-impedance (10MΩ) node; used for unity-gain buffer or inverting configuration reference. |
| 7 (–IN) | Inverting Input | Current-summing node; requires resistive feedback (not capacitive) for stability; sensitive to stray capacitance. |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable Quiescent Current | Supply current scaled by external resistor on SHUTDOWN pin - enables 9mA–50mA operation for bandwidth vs. power tradeoff. |
| Capacitive Load Compensation | Internal network activated via COMP pin - maintains flat frequency response up to 40MHz with 200pF load, eliminating peaking. |
| Thermal Shutdown Protection | Automatic cycling at TJ > 150°C - prevents permanent damage during overload or inadequate heatsinking. |
| High Slew Rate / Low Distortion | 900V/µs with –70dB THD at 1MHz - preserves edge integrity in digital video and high-speed data transmission. |
| Wide Supply Flexibility | Operates from ±5V to ±15V with consistent performance - simplifies design reuse across 10V and 30V system rails. |
Applications
| Cable Drivers | Test Equipment Amplifiers |
|---|---|
Use Scenario: Driving 100m of RG-6 coaxial cable (75Ω) in broadcast monitoring equipment. IC Role / Device Role / Timing Role: High-current buffer amplifying composite video signals with minimal group delay variation. Use Value: Delivers full 1Vpp NTSC signal at 4.43MHz color subcarrier without droop or phase shift, enabled by 1.1A drive and 35MHz bandwidth. | Use Scenario: Output stage of automated test equipment generating calibrated 20VP-P, 2MHz sine waves. IC Role / Device Role / Timing Role: Precision wideband power amplifier delivering programmable AC stimulus to DUTs. Use Value: Maintains <0.5% THD up to 2MHz due to low noise (3.0nV/√Hz) and high slew rate, ensuring measurement fidelity. |
| Video Amplifiers | ADSL Line Drivers |
Use Scenario: RGB signal distribution in medical imaging displays requiring simultaneous analog video paths. IC Role / Device Role / Timing Role: Unity-gain repeater preserving DC-coupled video timing and pixel clock integrity. Use Value: Stable with 1000pF distributed capacitance across PCB traces, avoiding external RC networks and layout complexity. | Use Scenario: Upstream line driver in DSLAM card transmitting 1–30MHz upstream signals over twisted-pair copper. IC Role / Device Role / Timing Role: High-linearity current-feedback amplifier shaping transmit spectrum per ITU-T G.992.1. Use Value: Achieves >50dBc 3rd-order intercept at 10MHz, meeting spectral mask requirements without post-filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-output-current amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM6172IM/NOPB | 200mA output drive, 100MHz GBW, no shutdown, SOIC-8 package | Limited to low-current, high-speed small-signal use; unsuitable for cable driving or heavy capacitive loads | Select only for low-power, high-frequency op-amp replacement where 1.1A drive is unnecessary |
| THS3091D | 220mA output, 210MHz bandwidth, ±15V supply, no COMP pin, SOIC-8 | Lacks capacitive-load compensation and thermal shutdown; higher bandwidth but lower drive capability | Prefer for ultra-high-speed, low-distortion small-signal amplification - not for power delivery or ruggedized designs |
Compared with LM6172IM/NOPB and THS3091D, the LT1210CT7#06PBF uniquely combines 1.1A output, integrated shutdown, and optional capacitive-load compensation - making it irreplaceable for high-power, high-reliability line-driving applications where drive strength and thermal robustness are non-negotiable.
Availability
LT1210CT7#06PBF is available at Aetrix Electronics and suitable for cable drivers, video amplifiers, test equipment amplifiers, and ADSL line drivers requiring stable component supply across industrial temperature ranges (0°C to 70°C) and long-lifecycle production programs.
Supply support for LT1210CT7#06PBF 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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, communications, and industrial markets.
The LT1210 product line was designed specifically for high-current, wideband signal conditioning in demanding analog infrastructure - emphasizing drive capability, thermal resilience, and ease of use in cable, video, and telecom applications.
FAQ
What is the maximum safe operating voltage for LT1210CT7#06PBF?
The LT1210CT7#06PBF has an absolute maximum supply voltage rating of ±18V. Continuous operation is specified from ±5V to ±15V. Exceeding ±15V risks permanent damage even if within absolute max limits, as internal power dissipation and thermal stress increase nonlinearly beyond rated conditions. Always observe derating curves in the datasheet for ambient temperatures above 25°C.
Does LT1210CT7#06PBF require external compensation for driving 1000pF loads?
Yes - for optimal stability with 1000pF capacitive loads, LT1210CT7#06PBF requires a 0.01µF capacitor between the COMP and OUT pins. Without this connection, peaking exceeding 5dB occurs near 10MHz. The compensation network is optional only for purely resistive loads; its omission with capacitive loads degrades transient response and increases overshoot.
Can LT1210CT7#06PBF operate from a single +10V supply?
No - LT1210CT7#06PBF is a dual-supply current-feedback amplifier requiring symmetric or asymmetric split supplies (e.g., +15V/–5V). It lacks rail-to-rail input/output capability and cannot bias correctly on single-ended supplies. For single-supply applications, consider alternatives like the ADA4870 or THS3491, which are explicitly designed for unipolar operation.
What is the thermal resistance (θJA) of LT1210CT7#06PBF in typical PCB mounting?
The LT1210CT7#06PBF datasheet specifies only θJC = 5°C/W (junction-to-case) because the TO-220 package relies on external heatsinking. θJA depends entirely on heatsink size, interface material, and airflow. With a 25°C/W heatsink and thermal interface pad, total θJA ≈ 30°C/W - enabling ~1.5W dissipation at 70°C ambient before reaching 150°C junction limit.
How does shutdown mode affect the output impedance of LT1210CT7#06PBF?
In shutdown mode, LT1210CT7#06PBF's output presents ~70pF capacitive impedance with negligible DC conductance. This high-impedance state isolates downstream circuitry without loading, making it ideal for multiplexed signal paths or hot-swap interfaces. The output remains floating - no clamping or leakage paths exist, preserving signal integrity in powered-down channels.
LT1210CT7#06PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-220-7
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 900V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 35 MHz
- Current - Input Bias:
- -
- Voltage - Input Offset:
- 3 mV
- Current - Supply:
- 35mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220-7 Flow 6
LT1210CT7#06PBF FAQ
1.How can I place an order for LT1210CT7#06PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1210CT7#06PBF 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 LT1210CT7#06PBF reliable?
The price and inventory of LT1210CT7#06PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1210CT7#06PBF is usually 5 days.
3.What payment methods are accepted for LT1210CT7#06PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1210CT7#06PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1210CT7#06PBF?
LT1210CT7#06PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1210CT7#06PBF 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 LT1210CT7#06PBF?
For technical support, including LT1210CT7#06PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1210CT7#06PBF requirements.
6.How does Aetrix verify that LT1210CT7#06PBF is sourced from the original manufacturer or authorized distributors?
All LT1210CT7#06PBF 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 LT1210CT7#06PBF meets industry standards.
7.What is the process for return or replacement of LT1210CT7#06PBF?
All LT1210CT7#06PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1210CT7#06PBF, 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 LT1210CT7#06PBF part is unused and in its original packaging.
Return procedure for LT1210CT7#06PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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