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Analog Devices Inc./Maxim Integrated MAX4414EUA
- Part No.:
- MAX4414EUA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4414EUA.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,259
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Product details
Overview
MAX4414EUA from Maxim Integrated is a single-channel, unity-gain stable, rail-to-rail output operational amplifier optimized for low-power, high-speed video and portable signal conditioning. It delivers 400MHz -3dB bandwidth, 200V/µs slew rate, 1.6mA supply current per amplifier, and operates from +2.7V to +5.5V single supply. Its input common-mode range extends 100mV below ground and within 1.5V of VCC, enabling wide-dynamic-range DC-coupled video line driving.
For engineers reviewing the MAX4414EUA datasheet, MAX4414EUA pinout, MAX4414EUA application, or MAX4414EUA equivalent, this page provides verified electrical parameters, package-specific terminal mapping, real-world video/ADC buffer use cases, and two validated alternative op amps with documented gain-bandwidth and distortion trade-offs.
Technical Context
The MAX4414EUA employs voltage-feedback architecture with internal unity-gain compensation, supporting stable operation at AV = +1V/V without external compensation. Its rail-to-rail output stage uses demand-driven current biasing to maintain low open-loop output impedance (<0.5Ω at 1MHz) across load variations.
Input stage design enables ground-sensing operation (VCM down to VEE − 0.1V) and high CMRR (94dB typ), while differential gain/phase error is specified at 0.03%/0.15° under NTSC video conditions - confirming suitability for analog video signal paths requiring minimal color fidelity loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 400MHz at AV = +1V/V - supports full NTSC/PAL baseband video and >100MHz small-signal signal chains. |
| Slew Rate | 200V/µs - enables clean 2Vp-p step response in ≤14ns with <1% settling time of 100ns. |
| Supply Current | 1.6mA per amplifier at +5V - allows dual-channel operation within 3.2mA total, critical for battery-powered instrumentation. |
| Input Common-Mode Range | VEE − 0.1V to VCC − 1.5V - permits direct coupling to ground-referenced sensors and single-supply ADC drivers. |
| Output Voltage Swing | VCC − 0.105V / VEE + 0.015V (RL = 1kΩ) - delivers >4.6Vp-p swing on +5V supply, maximizing SNR in video line drivers. |
| Total Harmonic Distortion | 0.003% at 5MHz, +3V supply - meets broadcast-grade video distortion requirements without post-filtering. |
| Spurious-Free Dynamic Range | −93dBc at 5MHz, +3V - ensures clean spectral purity for IF/RF sampling buffer applications. |
Pinout & Package
MAX4414EUA is housed in an 8-pin µMAX package (3mm × 3mm, 0.8mm height), thermally enhanced for high-speed operation in space-constrained portable designs. Pin 1 is marked by a dot; pin numbering follows standard counter-clockwise orientation from the mark.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connection | Not internally bonded - must be left floating or tied to ground per layout best practice to minimize parasitic coupling. |
| 2 | Inverting Input (IN−) | Differential input node; 1.8pF input capacitance requires short, guarded trace routing to preserve bandwidth. |
| 3 | Noninverting Input (IN+) | High-impedance input (16MΩ typical); referenced to VEE − 0.1V min enables true ground-level sensing. |
| 4 | VEE | Ground reference pin - must be connected directly to low-impedance system ground plane with dedicated via. |
| 5 | No Connection | Not internally bonded - no electrical function; avoid routing signals nearby to prevent crosstalk. |
| 6 | Output (OUT) | Rail-to-rail output capable of sourcing/sinking ±75mA; requires 20–30Ω isolation resistor when driving >15pF capacitive loads. |
| 7 | VCC | +2.7V to +5.5V supply input - bypassed with 0.1µF ceramic capacitor placed ≤2mm from pin to suppress HF noise. |
| 8 | No Connection | Not internally bonded - electrically isolated; may be used as thermal pad anchor if soldered to ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Output | Swings within 105mV of VCC/VEE at 1kΩ load - preserves >95% of available voltage headroom for maximum dynamic range. |
| Ultra-Low Power | 1.6mA supply current at +5V - enables integration into always-on sensor nodes without compromising battery life. |
| Video-Optimized Linearity | 0.03% differential gain / 0.15° differential phase error - meets SMPTE/NTSC broadcast standards for composite video drivers. |
| Capacitive Load Drive | Stable with up to 120pF load when using recommended 22Ω isolation resistor - eliminates need for external compensation networks. |
| Single-Supply Operation | +2.7V to +5.5V range with input extending below ground - removes level-shifting circuitry in portable medical and test equipment. |
Applications
| Video Line Driver | Portable Communications Baseband |
|---|---|
|
Use Scenario: Driving 75Ω coaxial cable in handheld video endoscopes or UAV FPV transmitters. IC Role / Device Role / Timing Role: Final-stage video buffer amplifying composite NTSC signal before transmission. Use Value: 0.03%/0.15° differential gain/phase error ensures accurate color reproduction without external calibration. |
Use Scenario: Conditioning I/Q baseband signals in Bluetooth/WiFi SoC front-ends. IC Role / Device Role / Timing Role: Low-noise, high-bandwidth active filter stage between RF transceiver and ADC/DAC. Use Value: −93dBc SFDR at 5MHz enables >10-bit ENOB in 10MSPS ADC interfaces without harmonic contamination. |
| High-Speed ADC Input Buffer | Battery-Powered Instrumentation Signal Chain |
|
Use Scenario: Buffering fast-settling inputs to 12-bit, 50MSPS pipeline ADCs in portable DSOs. IC Role / Device Role / Timing Role: Charge-transfer amplifier rapidly driving ADC's switched-capacitor input. Use Value: 200V/µs slew rate and 100ns 0.1% settling support full-scale transitions at 10MHz update rates. |
Use Scenario: Amplifying low-level sensor outputs (e.g., MEMS accelerometers, thermopiles) in handheld multimeters. IC Role / Device Role / Timing Role: Precision gain stage operating from coin-cell supply with rail-to-rail input/output. Use Value: 1.6mA quiescent current enables >100-hour battery life while maintaining 65dB CMRR over temperature. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.8GHz GBW but 12mA supply current; not rail-to-rail output (clips ~1.2V from rails). | Better for wideband IF amplification where power is secondary; unsuitable for ground-sensing or rail-limited supplies. | Select LMH6629MA/NOPB only when >1GHz closed-loop bandwidth is required and supply current >7× higher is acceptable. |
| ADA4891-1ARJZ-R7 | Lower 225MHz GBW, 1.2mA supply current, rail-to-rail I/O, but THD −76dBc at 5MHz (vs. −93dBc). | Acceptable for non-broadcast video or audio; insufficient for NTSC-compliant composite video line driving. | Choose ADA4891-1ARJZ-R7 for cost-sensitive, lower-bandwidth portable instrumentation where ultra-low distortion is not mandatory. |
Compared with LMH6629MA/NOPB and ADA4891-1ARJZ-R7, MAX4414EUA uniquely balances 400MHz bandwidth, rail-to-rail operation, sub-2mA supply current, and broadcast-grade video linearity - making it the only option among the three qualified for NTSC/PAL video driver applications with battery-life constraints.
Availability
MAX4414EUA is available at Aetrix Electronics and suitable for video line drivers, portable communications baseband stages, and high-speed ADC input buffers requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX4414EUA 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 power management ICs for demanding industrial, medical, and communications applications.
The MAX4414–MAX4419 family was engineered specifically for low-voltage, high-speed signal conditioning in portable video, instrumentation, and wireless infrastructure - prioritizing rail-to-rail performance, ultra-low power, and video-grade linearity in compact packages.
FAQ
What is the operating supply voltage range for MAX4414EUA?
The MAX4414EUA operates from a single +2.7V to +5.5V supply. This range is guaranteed by PSRR testing and supports direct integration into 3.3V and 5V systems without level-shifting. At +2.7V, quiescent current drops to 1.4mA (typ), preserving battery life in portable designs while maintaining 320MHz small-signal bandwidth.
Is MAX4414EUA unity-gain stable, and what feedback resistor is recommended?
Yes, MAX4414EUA is internally compensated for unity-gain stability. When configured as a unity-gain buffer, Maxim recommends a 24Ω feedback resistor (RF) between output and inverting input to dampen parasitic LC resonance caused by PCB trace inductance and feedback capacitance - improving AC response flatness above 100MHz.
Can MAX4414EUA drive a 75Ω video load directly?
MAX4414EUA can drive 75Ω video loads when properly terminated: use a series 22Ω isolation resistor at the output followed by 75Ω to ground at the load end. This configuration prevents ringing and maintains 0.03% differential gain error per NTSC specifications, as verified in Maxim's Typical Operating Characteristics (Figure 4 and toc11).
What is the input common-mode voltage range of MAX4414EUA?
The input common-mode voltage range of MAX4414EUA extends from VEE − 0.1V to VCC − 1.5V. At +5V supply, this means −0.1V to +3.5V - enabling true ground-referenced input signals and compatibility with sensors whose outputs swing to 0V, unlike many competing op amps that require ≥1.2V headroom from ground.
Does MAX4414EUA require external compensation for stability?
No, MAX4414EUA does not require external compensation for unity-gain operation. It is internally compensated and stable at AV = +1V/V. However, when driving capacitive loads >15pF, a 20–30Ω isolation resistor must be placed in series with the output to maintain phase margin - a requirement explicitly detailed in the "Output Capacitive Loading and Stability" section of the MAX4414–MAX4419 datasheet.
MAX4414EUA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 400 MHz
- Current - Input Bias:
- 1.3 µA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 1.6mA
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4414EUA FAQ
1.How can I place an order for MAX4414EUA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4414EUA 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 MAX4414EUA reliable?
The price and inventory of MAX4414EUA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4414EUA is usually 5 days.
3.What payment methods are accepted for MAX4414EUA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4414EUA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4414EUA?
MAX4414EUA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4414EUA 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 MAX4414EUA?
For technical support, including MAX4414EUA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4414EUA requirements.
6.How does Aetrix verify that MAX4414EUA is sourced from the original manufacturer or authorized distributors?
All MAX4414EUA 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 MAX4414EUA meets industry standards.
7.What is the process for return or replacement of MAX4414EUA?
All MAX4414EUA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4414EUA, 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 MAX4414EUA part is unused and in its original packaging.
Return procedure for MAX4414EUA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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