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Analog Devices Inc. LTC6227HDD#PBF
- Part No.:
- LTC6227HDD#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
LTC6227HDD#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:196
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Product details
Overview
LTC6227HDD#PBF from Analog Devices is a dual, high-speed, rail-to-rail output operational amplifier optimized for driving high-resolution ADCs and precision signal chains. It delivers 420MHz gain-bandwidth product, 180V/µs slew rate, 1nV/√Hz input voltage noise, and –90dBC harmonic distortion at 1MHz with 4VP-P output into 1kΩ - enabling ultra-low-noise, low-distortion amplification in 16-bit+ data acquisition systems.
For engineers reviewing the LTC6227HDD#PBF datasheet, LTC6227HDD#PBF pinout, LTC6227HDD#PBF application, or LTC6227HDD#PBF equivalent, this device is selected for demanding roles including ADC driver, transimpedance amplifier, and high-fidelity active filter where dynamic range, speed, and DC precision must coexist across –40°C to 125°C industrial temperature operation.
Technical Context
The LTC6227HDD#PBF implements a unity-gain-stable, fully differential-capable architecture with input common-mode range extending to the negative rail and rail-to-rail output swing. Its 139dB open-loop gain and 114dB CMRR ensure high-precision closed-loop performance even under wide supply (2.8V–11.75V) and temperature (–40°C to 125°C) variations.
Designed for dual-channel matching, it specifies ≤140µV input offset voltage match and ≤2µA input bias current match between channels - critical for instrumentation-grade differential signal conditioning and balanced driver topologies requiring tight channel correlation without external trimming.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 420MHz - enables stable unity-gain operation up to 330MHz closed-loop bandwidth for fast pulse and video signal handling. |
| Slew Rate | 180V/µs - supports clean 4VP-P step response within 61ns settling time to 0.1%, minimizing distortion in wideband signals. |
| Input Voltage Noise | 1nV/√Hz @ 1MHz - preserves SNR in front-end amplification of low-level sensor or transducer outputs. |
| Harmonic Distortion | HD2/HD3 < –90dBC @ 1MHz, 4VP-P - meets SFDR requirements for 16-bit ADC drivers like AD7380. |
| Supply Range | 2.8V to 11.75V - operates from single 3V or dual ±5V rails, supporting portable and industrial power architectures. |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive, industrial control, and aerospace signal conditioning. |
| Input Offset Drift | 0.4µV/°C - ensures <±1µV total drift over full temperature range, reducing calibration burden in precision systems. |
Pinout & Package
10-lead 3mm × 3mm plastic DFN package with exposed pad (Pin 11 = V–), optimized for thermal performance (θJA = 43°C/W) and space-constrained PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | +INA, –INA, OUTA | Channel A non-inverting input, inverting input, and output - configured for standard op-amp feedback or differential drive. |
| 4, 5, 6 | V–, SHDNA, OUTB | Negative supply rail, Channel A shutdown control, and Channel B output - SHDNA enables independent channel disable. |
| 7, 8, 9 | +INB, –INB, V+ | Channel B non-inverting input, inverting input, and positive supply - symmetrical layout supports matched dual-path design. |
| 10 | SHDNB | Channel B shutdown control - allows selective power gating per channel to reduce system quiescent current. |
| 11 (Exposed Pad) | V– | Internally connected to negative supply - must be soldered to PCB ground plane for thermal and electrical integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers full 0.014V to 4.986V swing on 5V supply - maximizes dynamic range into ADC reference buffers and analog muxes. |
| Low shutdown current | 450µA per channel disabled - reduces idle power by >92% vs active mode (5.8mA), critical for battery-powered DAQ. |
| Matched dual-channel specs | ≤140µV input offset match and ≤2µA input bias match - eliminates need for external trimming in differential receivers. |
| High PSRR & CMRR | 115dB PSRR+ and 114dB CMRR - rejects supply ripple and common-mode interference in noisy industrial environments. |
| Stable at AV = +1 | Unity-gain stable with no external compensation - simplifies layout and eliminates risk of oscillation in high-speed buffer designs. |
Applications
| ADC Driver for High-Speed Data Acquisition | Low-Distortion Transimpedance Amplifier |
|---|---|
Use Scenario: Driving the AD7380 16-bit, 4MSPS SAR ADC with –0.5dBFS 50kHz input signal. IC Role / Device Role / Timing Role: Precision voltage buffer and gain stage ensuring <108.5dB SFDR and 91dB SNR at full sample rate. Use Value: Achieves measured THD = –104.8dB and SNR = 91dB - exceeds ADC's native performance, eliminating bottleneck in metrology-grade systems. | Use Scenario: Converting photodiode current (e.g., 10nA–10µA) in optical spectrum analyzers or laser power monitors. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth transimpedance amplifier with 1nV/√Hz input noise and 420MHz GBW. Use Value: Enables sub-picoamp resolution and >100kHz small-signal bandwidth without compromising DC accuracy or stability. |
| High-Fidelity Active Filter | Single-Supply Signal Conditioning |
Use Scenario: 5th-order elliptic low-pass filter for anti-aliasing prior to 16-bit audio or vibration sensing ADCs. IC Role / Device Role / Timing Role: Dual-channel op-amp implementing cascaded biquad stages with matched gain and phase response. Use Value: Maintains <0.08% differential gain and 0.04° differential phase error at 1MHz - preserves waveform fidelity in medical imaging front-ends. | Use Scenario: Sensor signal amplification in 3.3V IoT edge nodes with unipolar supply and rail-referenced sensors. IC Role / Device Role / Timing Role: Single-supply amplifier with input common-mode range to V– and rail-to-rail output. Use Value: Accepts 0V–3.3V sensor inputs and delivers full 0–3.3V output swing - eliminates level-shifting components and saves board space. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-noise op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4898-2ARMZ | Lower noise (0.9nV/√Hz), but higher supply current (10.5mA/ch) and narrower temp range (–40°C to 105°C). | Preferred in lab equipment where ultimate noise dominates power budget; less suitable for extended-temp industrial use. | Select when 0.1nV/√Hz noise reduction justifies 90% higher quiescent power and reduced thermal margin. |
| OPA2837IDGKT | Higher slew rate (350V/µs), but higher distortion (–78dBC @ 1MHz) and no shutdown pins. | Better for pulse amplification with minimal settling; unsuitable for precision ADC driving or power-gated systems. | Choose only for transient-critical applications where distortion and channel disable are secondary to raw speed. |
Compared with ADA4898-2ARMZ and OPA2837IDGKT, the LTC6227HDD#PBF uniquely balances ultra-low noise, industry-grade temperature range, dual-channel matching, and per-channel shutdown - making it the optimal choice for thermally demanding, battery-aware, high-dynamic-range data acquisition.
Availability
LTC6227HDD#PBF is available at Aetrix Electronics and suitable for high-speed data acquisition, precision sensor interfaces, and industrial signal conditioning requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC6227HDD#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC6227HDD#PBF belongs to the LTC6226/LTC6227 family of ultra-low-noise, high-speed op amps designed specifically for driving high-resolution ADCs and preserving signal integrity in wideband precision measurement systems.
FAQ
What is the maximum operating temperature for the LTC6227HDD#PBF?
The LTC6227HDD#PBF is rated for continuous operation from –40°C to +125°C ambient temperature, with full electrical specifications guaranteed across this range. This H-grade qualification makes it suitable for under-hood automotive, industrial motor control, and aerospace applications where thermal robustness is critical. The device's 150°C maximum junction temperature and 43°C/W thermal resistance enable reliable operation even with moderate PCB copper area.
Does the LTC6227HDD#PBF support single-supply operation?
Yes, the LTC6227HDD#PBF supports true single-supply operation with an input common-mode range that extends to the negative rail (V–) and rail-to-rail output swing. When powered from a 3.3V or 5V single supply, it accepts input signals down to V– and delivers output voltages within 14mV of either rail - eliminating the need for level-shifting circuitry in sensor interface and portable instrumentation designs.
How does the LTC6227HDD#PBF achieve low distortion in ADC driver applications?
The LTC6227HDD#PBF achieves –90dBC harmonic distortion at 1MHz with 4VP-P output through a combination of ultra-low 1nV/√Hz input voltage noise, high 139dB open-loop gain, and optimized internal compensation. Its 180V/µs slew rate prevents slewing-induced distortion, while matched dual-channel topology minimizes inter-channel crosstalk - all verified in application circuits driving the AD7380 ADC to deliver 108.5dB SFDR and 91dB SNR.
What is the function of Pins 4 and 10 on the LTC6227HDD#PBF?
Pins 4 and 10 on the LTC6227HDD#PBF are independent shutdown control inputs: Pin 4 (SHDNA) disables Channel A, and Pin 10 (SHDNB) disables Channel B. When pulled to V+ – 2.65V or higher, each channel enables; when pulled to V+ – 2.65V or lower, it enters low-power shutdown with 450µA supply current per channel. This per-channel control enables dynamic power management in multi-stage signal chains without affecting adjacent channels.
Can the LTC6227HDD#PBF drive 100Ω loads effectively?
Yes, the LTC6227HDD#PBF can drive 100Ω loads with specified performance: output swing remains within 200mV of rails at 5mA sink/source, and harmonic distortion stays below –77dBC at 1MHz with 4VP-P output into 100Ω. Its 100mA short-circuit current capability and thermal design (θJA = 43°C/W) allow sustained 100Ω loading without derating - validated in video amplifier and high-speed line-driver reference designs.
LTC6227HDD#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 180V/µs
- Gain Bandwidth Product:
- 420 MHz
- -3db Bandwidth:
- 330 MHz
- Current - Input Bias:
- 8.4 µA
- Voltage - Input Offset:
- 20 µV
- Current - Supply:
- 5.5mA (x2 Channels)
- Current - Output / Channel:
- 64 mA
- Voltage - Supply Span (Min):
- 2.8 V
- Voltage - Supply Span (Max):
- 11.75 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
LTC6227HDD#PBF FAQ
1.How can I place an order for LTC6227HDD#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6227HDD#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 LTC6227HDD#PBF reliable?
The price and inventory of LTC6227HDD#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6227HDD#PBF is usually 5 days.
3.What payment methods are accepted for LTC6227HDD#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6227HDD#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6227HDD#PBF?
LTC6227HDD#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6227HDD#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 LTC6227HDD#PBF?
For technical support, including LTC6227HDD#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6227HDD#PBF requirements.
6.How does Aetrix verify that LTC6227HDD#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6227HDD#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 LTC6227HDD#PBF meets industry standards.
7.What is the process for return or replacement of LTC6227HDD#PBF?
All LTC6227HDD#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6227HDD#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 LTC6227HDD#PBF part is unused and in its original packaging.
Return procedure for LTC6227HDD#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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