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Analog Devices Inc./Maxim Integrated MAX4226EUB+
- Part No.:
- MAX4226EUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4226EUB+.pdf
- Description:
- IC OPAMP CFA 2 CIRC 10UMAX/USOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,546
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Product details
Overview
The MAX4226EUB+ from Maxim Integrated is a dual-channel, low-power, current-feedback amplifier optimized for closed-loop gain ≥ +1 (0dB), delivering 1GHz -3dB bandwidth, 1100V/µs slew rate, and 0.01%/0.02° differential gain/phase error - ideal for high-fidelity video line driving and ADC input buffering in professional broadcast equipment.
For engineers reviewing the MAX4226EUB+ datasheet, MAX4226EUB+ pinout, MAX4226EUB+ application, or MAX4226EUB+ equivalent, key selection criteria include its shutdown-enabled multiplexing capability (100kΩ output impedance in SHDN mode), ±2.85V to ±5.5V dual-supply operation, and guaranteed -40°C to +85°C performance across SOT23-6 and µMAX-10 packages.
Technical Context
The MAX4226EUB+ implements a current-feedback topology with transimpedance gain architecture, enabling gain-bandwidth independence at low gains and supporting stable operation with RF = 560Ω for AV = +1. Its internal compensation targets unity-gain stability while maintaining 300MHz 0.1dB gain flatness and <8ns 0.1% settling time.
Each channel features independent TTL-compatible SHDN control (VIH = 2.0V, VIL = 0.8V), allowing selective channel disablement without affecting adjacent amplifiers - critical for video multiplexing and power-gated signal routing in multi-channel systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 1GHz at AV = +1 - supports full HD/3G-SDI baseband video signals without attenuation |
| Slew Rate | 1100V/µs - ensures distortion-free reproduction of fast video edges and transient pulses |
| Differential Gain/Phase Error | 0.01% / 0.02° - meets SMPTE 259M broadcast video fidelity requirements |
| THD @ 10MHz | -60dBc - enables clean signal conditioning before high-speed ADC sampling |
| Supply Current (per amp) | 6.0mA normal mode / 0.35mA shutdown - reduces thermal load in portable video gear |
| Output Drive | ±2.5V into 4×75Ω back-terminated loads - drives standard video distribution networks directly |
| Shutdown Output Impedance | 100kΩ typical - isolates disabled channels in multiplexed video switch architectures |
Pinout & Package
MAX4226EUB+ is housed in a 10-pin µMAX package (5.0mm × 3.0mm × 1.1mm), thermally enhanced for high-speed operation and compatible with fine-pitch PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 10 | VCC / VEE | Positive/negative supply pins - require local 10nF ceramic bypassing per rail for stability |
| 2, 9 | INA− / INB− | Inverting inputs - sensitive to stray capacitance; must avoid ground plane underneath |
| 3, 8 | INA+ / INB+ | Noninverting inputs - high-impedance nodes; bias current matched to ≤±15µA over temp |
| 4, 7 | OUTA / OUTB | Amplifier outputs - capable of 80mA sourcing/sinking; drive 75Ω coaxial lines directly |
| 5, 6 | SHDNA / SHDNB | Independent shutdown controls - TTL-compatible; pull low to enter 350µA quiescent state |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent shutdown | Enables per-channel power gating for dynamic video routing without external switches |
| 1GHz bandwidth at AV = +1 | Preserves edge integrity in 1080p60 and 3G-SDI baseband video waveforms |
| 0.1dB gain flatness to 300MHz | Ensures uniform amplitude response across entire NTSC/PAL/HD video spectrum |
| 8ns 0.1% settling time | Meets timing budget for sampling video sync pulses and fast data transitions |
| 100kΩ shutdown output impedance | Allows direct wire-OR of multiple outputs in analog video multiplexers |
Applications
| Video Line Drivers | ADC Input Buffers |
|---|---|
Use Scenario: Driving 75Ω coaxial cables between camera head and processing unit in broadcast cameras. IC Role / Device Role / Timing Role: High-fidelity voltage buffer with minimal group delay and phase distortion. Use Value: Maintains 0.01% differential gain and 0.02° phase accuracy over 300MHz, preserving color fidelity in SDI transmission. | Use Scenario: Conditioning analog sensor outputs prior to 10-bit, 100MSPS ADC sampling in medical imaging front-ends. IC Role / Device Role / Timing Role: Fast-settling driver that charges ADC input capacitance within 8ns. Use Value: Delivers -60dBc THD at 10MHz, preventing harmonic contamination of digitized signals. |
| Video Multiplexing | Video Switches |
Use Scenario: Selecting one of four camera feeds into a single recorder using analog switching. IC Role / Device Role / Timing Role: Channel-isolated amplifier with high-Z shutdown state. Use Value: 100kΩ output impedance in SHDN mode prevents loading of active channel, eliminating crosstalk. | Use Scenario: Implementing seamless video cut/fade transitions in live production switchers. IC Role / Device Role / Timing Role: Dual-channel gain-matched amplifier enabling precise level alignment. Use Value: Gain matching ≤0.1dB across channels ensures flicker-free crossfades without luminance jumps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4225EUB+ | Same 10-pin µMAX package, identical pinout, same 1GHz bandwidth and shutdown specs | Single-channel version - requires two units for dual-channel function | Select when board space allows discrete channel layout or redundancy is required |
| LMH6720MA/NOPB | Single-channel, SO-8 package; 1.8GHz bandwidth but no shutdown; higher 12.5mA supply current | Lacks per-channel shutdown and multiplexing capability; not pin-compatible | Choose only if maximum bandwidth >1.5GHz is mandatory and power gating is unnecessary |
Compared with MAX4225EUB+, the MAX4226EUB+ integrates two matched amplifiers in one µMAX package, reducing component count and inter-channel skew; versus LMH6720MA/NOPB, it trades 800MHz extra bandwidth for critical shutdown functionality, lower power, and true dual-channel synchronization - essential for video routing and portable systems.
Availability
MAX4226EUB+ is available at Aetrix Electronics and suitable for professional video line drivers, ADC input buffers, and video multiplexing applications requiring stable component supply, long-term industrial temperature support (-40°C to +85°C), and consistent µMAX-10 packaging.
Supply support for MAX4226EUB+ 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
Maxim Integrated (now part of Analog Devices) designs precision analog, mixed-signal, and high-speed ICs for demanding industrial, communications, and consumer applications.
The MAX4223–MAX4228 family was engineered specifically for ultra-high-fidelity video signal conditioning - balancing GHz-class bandwidth, sub-degree phase accuracy, and low-power shutdown for broadcast, medical imaging, and test equipment.
FAQ
What is the operating supply voltage range for the MAX4226EUB+?
The MAX4226EUB+ operates from dual supplies ranging from ±2.85V to ±5.5V. This range supports both ±3V and ±5V system rails, and the device maintains full AC performance (including 1GHz bandwidth and 0.01% DG) across the entire specified temperature range of -40°C to +85°C. The MAX4226EUB+ does not support single-supply operation.
Does the MAX4226EUB+ support unity-gain stable operation?
Yes, the MAX4226EUB+ is optimized for closed-loop gains of +1 (0dB) or greater and is unity-gain stable. Its internal compensation ensures stable operation with RF = 560Ω and RG = open (for AV = +1), delivering 1GHz -3dB bandwidth and 300MHz 0.1dB gain flatness. It is not compensated for gains below +1.
How does the shutdown feature work on the MAX4226EUB+?
The MAX4226EUB+ has two independent shutdown inputs (SHDNA and SHDNB). Driving either pin low (≤0.8V) places its corresponding amplifier into shutdown mode, reducing quiescent supply current to 350µA and raising output impedance to 100kΩ. Both channels can be controlled separately, enabling flexible power management in multi-channel video systems.
Can the MAX4226EUB+ drive 75Ω back-terminated video lines directly?
Yes, the MAX4226EUB+ is explicitly characterized to drive up to four back-terminated 75Ω loads simultaneously to ±2.5V while maintaining excellent differential gain/phase performance (0.01%/0.02°). Its 80mA output current capability and low-output-impedance design make it suitable for direct connection to standard video distribution infrastructure without external buffers.
What package type is used for the MAX4226EUB+?
The MAX4226EUB+ uses the 10-pin µMAX package (5.0mm × 3.0mm × 1.1mm), a thermally enhanced, leaded surface-mount package with exposed paddle for improved heat dissipation. It is distinct from the SOT23-6 variants (e.g., MAX4223EUT-T) and provides dual-channel integration in a compact footprint suitable for high-density video PCB layouts.
MAX4226EUB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 1100V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 1 GHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 6mA (x2 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 5.7 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-uMAX/uSOP
MAX4226EUB+ FAQ
1.How can I place an order for MAX4226EUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4226EUB+ 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 MAX4226EUB+ reliable?
The price and inventory of MAX4226EUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4226EUB+ is usually 5 days.
3.What payment methods are accepted for MAX4226EUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4226EUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4226EUB+?
MAX4226EUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4226EUB+ 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 MAX4226EUB+?
For technical support, including MAX4226EUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4226EUB+ requirements.
6.How does Aetrix verify that MAX4226EUB+ is sourced from the original manufacturer or authorized distributors?
All MAX4226EUB+ 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 MAX4226EUB+ meets industry standards.
7.What is the process for return or replacement of MAX4226EUB+?
All MAX4226EUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4226EUB+, 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 MAX4226EUB+ part is unused and in its original packaging.
Return procedure for MAX4226EUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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