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Analog Devices Inc. LT1210CR#PBF
- Part No.:
- LT1210CR#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- Datasheet:
-
LT1210CR#PBF.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT 7DDPAK
- Quantity:
- Payment:
- Shipping:
Inventory:2,364
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Product details
Overview
LT1210CR#PBF 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 - enabling robust video, cable, and test equipment amplification up to ±15V supplies. Its shutdown mode reduces supply current to <200µA and supports adjustable quiescent current via external resistor.
For engineers reviewing the LT1210CR#PBF datasheet, LT1210CR#PBF pinout, LT1210CR#PBF application, or LT1210CR#PBF equivalent, key selection criteria include capacitive-load stability (up to 10,000pF), ±5V to ±15V supply flexibility, thermal shutdown protection, SO-16 package thermal resistance (θJA = 40°C/W), and verified performance in twisted-pair driver and ADSL line-driver configurations.
Technical Context
The LT1210CR#PBF uses a current-feedback architecture with high-impedance input (10MΩ) and low-impedance output stage, enabling fast settling and large-signal linearity. Its transresistance gain (75–260kΩ) and differential input structure support precise current-to-voltage conversion in high-speed feedback loops.
Stability is maintained across wide conditions: it remains stable with 10,000pF capacitive loads when COMP pin is bypassed with 0.01µF, and operates reliably over –40°C to 85°C junction temperature with thermal shutdown activation at ~150°C. Shutdown control is referenced to V+, allowing direct interface with open-drain logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 35MHz at AV = 2, RL = 10Ω - enables NTSC video and ADSL signal amplification without phase distortion. |
| Slew Rate | 900V/µs at AV = 2, RL = 10Ω - supports 20VP-P output at 1MHz with minimal slewing artifacts. |
| Output Drive | 1.1A min, ±15V supply - drives 10Ω loads directly, eliminating need for external buffer stages in power line drivers. |
| Input Impedance | 10MΩ - minimizes loading on high-impedance sensor or DAC outputs in precision gain stages. |
| Supply Range | ±5V to ±15V - accommodates both low-power portable systems and industrial ±15V rails without redesign. |
| Shutdown Current | <200µA - reduces system standby power in battery-backed instrumentation or modular test gear. |
| Capacitive Load Stability | Stable with CL = 10,000pF - eliminates oscillation when driving long coaxial cables or LCD panel traces. |
Pinout & Package
The LT1210CR#PBF is packaged in a 16-lead plastic SOIC (SO-16) with exposed thermal pad (package code S), rated for operation from 0°C to 70°C ambient. Thermal resistance θJA = 40°C/W under standard 2500 mm² copper conditions.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ | Positive supply rail | Accepts +5V to +15V; internal bias reference for shutdown pin and output stage. |
| V– | Negative supply rail | Accepts –5V to –15V; forms dual-supply reference for input common-mode range (±12V at ±15V). |
| +IN | Noninverting input | High-impedance node (10MΩ); used for unity-gain buffers and voltage followers. |
| –IN | Inverting input | Current-summing node; requires resistive feedback for stability; sensitive to stray capacitance. |
| OUT | Amplifier output | Capable of ±10V swing into 10Ω; delivers >1A peak current with thermal limiting. |
| COMP | Compensation terminal | Optional 0.01µF bypass to OUT flattens response with capacitive loads; leave open for resistive-only loads. |
| SHUTDOWN | Active-high disable control | Referenced to V+; pull to V+ or float to enter shutdown (<200µA IQ); connect to ground for normal operation. |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable supply current | Quiescent current set from 7.5mA to 50mA using single resistor from SHUTDOWN to ground - enables bandwidth/power trade-off in portable designs. |
| Capacitive-load compensation | Internal network activated by 0.01µF between OUT and COMP - extends flat bandwidth to 40MHz with 200pF load, avoiding external isolation components. |
| Thermal shutdown protection | Automatic cycling at ~150°C junction temperature - prevents permanent damage during overload or inadequate heatsinking in TO-220 or DD variants. |
| High slew rate vs gain independence | Slew rate varies from 770V/µs (AV = 1) to 1100V/µs (AV = –1) - preserves transient fidelity across inverting/noninverting configurations. |
| Differential input clamp | ±6V ESD protection between inputs - limits max differential voltage in shutdown mode, requiring input signals <±5V during disable. |
Applications
| Video Distribution Amplifier | Twisted-Pair Line Driver |
|---|---|
Use Scenario: Distributing composite NTSC video signals to multiple monitors or recording devices while preserving sync tip integrity and color burst amplitude. IC Role / Device Role / Timing Role: High-current buffer with 0.3% differential gain error and 0.1° differential phase error at ±15V - maintains broadcast-grade video fidelity. Use Value: Eliminates need for discrete emitter-follower arrays; supports 75Ω source/load matching and 2VP-P output into multiple coaxial runs. | Use Scenario: Driving balanced analog signals over 100m+ Category 5/6 twisted-pair cables in industrial automation or building management systems. IC Role / Device Role / Timing Role: Current-feedback driver with 1.1A output and 35MHz bandwidth - compensates for cable attenuation and dispersion at baseband frequencies. Use Value: Enables DC-coupled transmission without AC coupling capacitors; stable with 100pF/m cable capacitance and 100Ω characteristic impedance. |
| ADSL/DSL Line Driver | Test Equipment Output Stage |
Use Scenario: Transmitting upstream/downstream DSL signals (up to 2.2MHz) from central office line cards into POTS-split telephone lines. IC Role / Device Role / Timing Role: High-slew, low-distortion driver meeting ITU-T G.992.1 spectral mask requirements - achieves –70dBc THD at 1MHz. Use Value: Delivers >20dBm output power into 100Ω line impedance; integrated shutdown allows dynamic power gating per channel. | Use Scenario: Generating calibrated high-frequency, high-amplitude waveforms in automated test equipment (ATE) for semiconductor validation. IC Role / Device Role / Timing Role: Final-stage amplifier in arbitrary waveform generators - provides 20VP-P into 50Ω with <0.5% harmonic distortion up to 2MHz. Use Value: Replaces discrete MOSFET-based output stages; simplifies layout with single SO-16 footprint and built-in short-circuit protection. |
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 |
|---|---|---|---|
| LT1228CS#PBF | Higher 100MHz bandwidth but lower 0.6A output drive; no shutdown pin; SO-16 package. | Better for RF IF amplification where speed > current; unsuitable for cable driving or high-current buffering. | Select LT1228CS#PBF only when bandwidth >60MHz is required and load current <600mA. |
| THS3091D | 1.9A output, 210MHz bandwidth, ±15V supply, but no shutdown and higher 12.5mA quiescent current. | Preferred for ultra-high-speed pulse amplification (e.g., laser diode drivers); lacks thermal shutdown and adjustable IQ. | Choose THS3091D when peak current >1.5A and bandwidth >100MHz are mandatory; accept higher static power and no power-down capability. |
Compared with LT1210CR#PBF, LT1228CS#PBF trades output current for bandwidth and omits shutdown, while THS3091D delivers higher current and speed but sacrifices power management features and thermal safety - making LT1210CR#PBF optimal for thermally constrained, medium-bandwidth, high-current applications requiring configurable power states.
Availability
LT1210CR#PBF is available at Aetrix Electronics and suitable for video distribution systems, DSL line-card designs, industrial twisted-pair transceivers, and automated test equipment requiring stable component supply across extended production lifecycles.
Supply support for LT1210CR#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, 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, wide-bandwidth signal conditioning in video, telecom, and test equipment - emphasizing ruggedness, capacitive-load drive, and flexible power management.
FAQ
What is the maximum capacitive load the LT1210CR#PBF can drive stably?
The LT1210CR#PBF is explicitly characterized for stable operation with up to 10,000pF capacitive load when the COMP pin is bypassed to OUT with a 0.01µF capacitor. This configuration suppresses peaking and maintains ≤1dB gain flatness to 40MHz with 200pF load. For loads beyond 10,000pF, external isolation or series resistance may be required. The LT1210CR#PBF datasheet confirms this behavior in Figure 1 and Applications Information section.
Does the LT1210CR#PBF support single-supply operation?
The LT1210CR#PBF is specified for split-supply operation from ±5V to ±15V and does not support true single-supply use. Its input common-mode range is limited to ±12V at ±15V supplies and ±2V at ±5V supplies, and the output cannot swing to either rail. While it may function with asymmetric supplies (e.g., +15V/–5V), full specifications - including offset voltage, CMRR, and output swing - are guaranteed only under symmetric dual-rail conditions. The LT1210CR#PBF is not recommended for 0V-referenced single-supply topologies.
How do I configure the shutdown feature on the LT1210CR#PBF?
To enable shutdown on the LT1210CR#PBF, leave the SHUTDOWN pin unconnected or tie it to V+. This reduces supply current to <200µA and places the output in high-impedance state. To operate normally, connect SHUTDOWN to ground or V–. For adjustable quiescent current, connect a resistor (e.g., 82kΩ for ~9mA at ±15V) between SHUTDOWN and ground. The LT1210CR#PBF shutdown circuit is referenced to V+, so logic interfaces must withstand V+ voltage - an open-drain 74C906 buffer is recommended per Figure 2 in the datasheet.
What is the thermal resistance (θJA) of the LT1210CR#PBF package?
As a 16-lead SOIC (S package), the LT1210CR#PBF has a typical junction-to-ambient thermal resistance (θJA) of 40°C/W when mounted on a standard PCB with 2500 mm² copper area on both sides. Measured values range from 40°C/W (2500 mm² topside + 5000 mm² backside) to 61°C/W (no backside copper). This value assumes still air and 2 oz copper on 3/32" FR-4 board. The LT1210CR#PBF's thermal shutdown activates at ~150°C junction temperature, so proper copper pour design is essential for continuous 1.1A output operation.
Can the LT1210CR#PBF replace the LT1210CT7#PBF in the same PCB layout?
No - the LT1210CR#PBF (SO-16) and LT1210CT7#PBF (TO-220) have incompatible footprints, pinouts, and thermal characteristics. The SO-16 package has 16 leads in gull-wing configuration with thermal pad; the TO-220 has 7 leads in vertical through-hole format with metal tab. Pin mapping differs: SO-16 assigns V+/V– to multiple pins and includes NCs, while TO-220 uses dedicated V+/V– pins. Additionally, θJC = 5°C/W for TO-220 versus θJA = 40°C/W for SO-16. Direct replacement would require complete PCB redesign and thermal revalidation. The LT1210CR#PBF is not a drop-in substitute for LT1210CT7#PBF.
LT1210CR#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
- 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:
- 2 A
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DDPAK-7
LT1210CR#PBF FAQ
1.How can I place an order for LT1210CR#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1210CR#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 LT1210CR#PBF reliable?
The price and inventory of LT1210CR#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1210CR#PBF is usually 5 days.
3.What payment methods are accepted for LT1210CR#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1210CR#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1210CR#PBF?
LT1210CR#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1210CR#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 LT1210CR#PBF?
For technical support, including LT1210CR#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1210CR#PBF requirements.
6.How does Aetrix verify that LT1210CR#PBF is sourced from the original manufacturer or authorized distributors?
All LT1210CR#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 LT1210CR#PBF meets industry standards.
7.What is the process for return or replacement of LT1210CR#PBF?
All LT1210CR#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1210CR#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 LT1210CR#PBF part is unused and in its original packaging.
Return procedure for LT1210CR#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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