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Analog Devices Inc./Maxim Integrated MAX4414ESA+
- Part No.:
- MAX4414ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4414ESA+.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:152
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Product details
Overview
MAX4414ESA+ 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 in battery-powered video line drivers.
For engineers reviewing the MAX4414ESA+ datasheet, MAX4414ESA+ pinout, MAX4414ESA+ application, or MAX4414ESA+ equivalent, this device is selected for precision analog front-ends requiring ultra-low power, high bandwidth, rail-to-rail swing, and <0.03% differential gain error - especially in portable instrumentation, cellular baseband, and NTSC/PAL video driver circuits.
Technical Context
The MAX4414ESA+ employs voltage-feedback architecture with internal unity-gain compensation, enabling stable operation at AV = +1V/V without external compensation. Its output stage uses demand-driven current biasing and internal feedback to maintain low open-loop output impedance (<0.5Ω at 1MHz), minimizing gain sensitivity to load variations.
It features ground-sensing input (common-mode down to VEE − 0.1V) and rail-to-rail output (within 105mV of rails at 1kΩ load), supporting full-scale signal swing in single-supply systems. Stability with capacitive loads requires an isolation resistor (e.g., 22Ω) to suppress peaking and oscillation - confirmed by small-signal gain vs. frequency plots with 5pF, 15pF, and 22pF loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 400MHz at AV = +1V/V - supports >150MHz video baseband and fast pulse applications without gain roll-off |
| Slew Rate | 200V/µs - enables clean 2V step response in ≤14ns with <1% settling time of 100ns |
| Supply Current | 1.6mA per amplifier at +5V - allows dual-channel operation under 3.3mA total, critical for battery life in portable instruments |
| Input Common-Mode Range | VEE − 0.1V to VCC − 1.5V - permits direct coupling of AC signals centered near ground in single-supply systems |
| Differential Gain/Phase Error | 0.03%/0.15° at NTSC - meets broadcast-grade video fidelity requirements without external trimming |
| Spurious-Free Dynamic Range | −93dBc at 5MHz, +3V supply - ensures minimal harmonic contamination in ADC buffer and IF chain applications |
| Output Voltage Swing | Within 105mV of VCC/VEE at 1kΩ - delivers 4.6Vpp output swing in +5V system, maximizing SNR headroom |
Pinout & Package
MAX4414ESA+ is housed in an 8-pin SO (Small Outline) package, surface-mount, RoHS-compliant, with standard JEDEC MO-153 footprint and 1.27mm pitch.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | N.C. | No internal connection - must be left floating or tied to ground per layout best practice |
| 2 | IN− | Inverting input - high-impedance node (16MΩ) sensitive to PCB parasitics; requires symmetric trace routing |
| 3 | IN+ | Noninverting input - common-mode range extends below ground; critical for DC-coupled sensor interfaces |
| 4 | VEE | Negative supply terminal - connected to ground in single-supply operation; bypass with 0.1µF ceramic capacitor |
| 5 | N.C. | No internal connection - no electrical function; avoid routing signals beneath this pad |
| 6 | OUT | Amplifier output - rail-to-rail capable; drives 150Ω loads directly but requires 22Ω isolation resistor for >120pF capacitive loads |
| 7 | VCC | Positive supply input - accepts +2.7V to +5.5V; must be decoupled locally to minimize PSRR degradation |
| 8 | N.C. | No internal connection - unused pin; may be grounded for mechanical stability if needed |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Output | Swings within 105mV of VCC/VEE at 1kΩ - preserves >95% of supply voltage as usable output range in +3.3V/+5V systems |
| Ground-Sensing Input | Common-mode range includes VEE − 0.1V - enables true single-supply operation with bipolar input signals without level-shifting circuitry |
| Ultra-Low Distortion | −93dBc SFDR and 0.003% THD at 5MHz - maintains signal integrity in high-fidelity video and communications baseband paths |
| Capacitive Load Drive | Stable with up to 120pF when isolated by 22Ω resistor - eliminates need for external compensation in coaxial cable driver designs |
| Low Power-Speed Tradeoff | 400MHz bandwidth at only 1.6mA supply current - achieves >250MHz/mA efficiency ratio, exceeding most competing rail-to-rail op amps |
Applications
| Video Line Driver | Portable Communications Baseband |
|---|---|
Use Scenario: Driving 75Ω coaxial video lines in handheld medical monitors or security camera modules. IC Role / Device Role / Timing Role: Final-stage buffer amplifier delivering NTSC/PAL composite video with minimal group delay and phase distortion. Use Value: 0.03% differential gain and 0.15° differential phase error ensure color fidelity compliant with EIA-770.3 standards without calibration. |
Use Scenario: Conditioning I/Q baseband signals in LTE/Wi-Fi transceivers before DAC or after ADC. IC Role / Device Role / Timing Role: High-linearity, low-noise buffer isolating RF IC from variable-impedance analog front-end stages. Use Value: −93dBc SFDR at 5MHz and 10nV/√Hz input noise preserve EVM performance in 20MHz channel bandwidths. |
| Battery-Powered Instrumentation | ADC Input Buffer |
Use Scenario: Signal conditioning in handheld oscilloscope probes or portable spectrum analyzers operating on Li-ion cells. IC Role / Device Role / Timing Role: Low-power gain stage amplifying sensor outputs prior to 12-bit+ SAR ADCs. Use Value: 1.6mA quiescent current enables >10-hour runtime on 1600mAh battery while maintaining 400MHz bandwidth for transient capture. |
Use Scenario: Driving switched-capacitor inputs of high-speed ADCs (e.g., 10–50MSPS) in data acquisition systems. IC Role / Device Role / Timing Role: Low-output-impedance buffer rapidly charging ADC sampling capacitors with minimal droop. Use Value: 0.5Ω output impedance at 1MHz and 200V/µs slew rate ensure <0.1% settling in <100ns, reducing aperture uncertainty. |
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 |
|---|---|---|---|
| MAX4415ESA+ | Compensated for AV ≥ +5V/V; 150MHz bandwidth, 470V/µs slew rate - higher gain stability but lower bandwidth than MAX4414ESA+ | Preferred for fixed-gain video gain blocks or IF amplifiers where closed-loop gain >5 is required | Select MAX4415ESA+ when gain ≥5V/V is fixed and higher slew rate outweighs bandwidth reduction |
| ADA4891-1ARZ | Unity-gain stable; 225MHz bandwidth, 170V/µs slew rate, 4.4mA supply current - wider bandwidth than MAX4415 but higher power and no sub-1.6mA option | Better suited for high-precision industrial sensors where power is less constrained than in portable devices | Choose ADA4891-1ARZ when 225MHz bandwidth suffices and board space allows larger SOIC-8 footprint with higher thermal dissipation |
Compared with MAX4415ESA+, MAX4414ESA+ provides 2.7× higher small-signal bandwidth at unity gain but consumes 2.75× less supply current; versus ADA4891-1ARZ, it trades 175MHz bandwidth for >2.7× lower quiescent current and superior differential video performance.
Availability
MAX4414ESA+ is available at Aetrix Electronics and suitable for battery-powered instruments, portable communications baseband chains, and video line driver applications requiring stable component supply across extended production lifecycles.
Supply support for MAX4414ESA+ 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, automotive, and communications applications.
The MAX4414–MAX4419 family was engineered specifically for low-voltage, high-speed portable systems - balancing rail-to-rail swing, ultra-low quiescent current, and video-grade linearity in compact packages.
FAQ
What is the maximum capacitive load the MAX4414ESA+ can drive without oscillation?
The MAX4414ESA+ remains stable with up to 120pF capacitive load only when a series isolation resistor (e.g., 22Ω) is placed between the output and the load. Without this resistor, peaking and potential oscillation occur above ~15pF, as shown in the "Small-Signal Gain vs. Frequency with Capacitive Load" plot. For reliable video line driving, always use the recommended 22Ω resistor with 75Ω coaxial cables.
Does the MAX4414ESA+ support true single-supply operation with input signals below ground?
Yes. The MAX4414ESA+ input common-mode voltage range extends to VEE − 0.1V (i.e., −0.1V when VEE = 0V), allowing inputs as low as −100mV in single-supply configurations. This ground-sensing capability enables direct coupling of AC-coupled or bipolar sensor signals without level-shifting circuitry - a key advantage over conventional rail-to-rail op amps with limited negative CMVR.
What is the typical power-up settling time for the MAX4414ESA+?
The MAX4414ESA+ achieves 1% output settling in 1.2µs after power-up (typical), as specified in the "Power-Up 1% Settling Time" parameter. This fast wake-up behavior supports burst-mode operation in portable instruments and intermittent-sampling data loggers where rapid signal readiness is essential after sleep-state recovery.
Can the MAX4414ESA+ be used in inverting amplifier configurations?
Yes - the MAX4414ESA+ supports both inverting and noninverting configurations. For inverting gain ≥2, select RF and RG values that minimize interaction with 1.8pF input capacitance and PCB parasitics; values below 1kΩ are recommended to push pole frequencies beyond 1GHz. Note that RS (offset compensation resistor) should equal RF ∥ RG to minimize output offset voltage in precision applications.
How does the MAX4414ESA+ compare to the MAX4414EUA+ in terms of thermal performance?
The MAX4414ESA+ (SO package) has a higher thermal resistance (θJA = 169°C/W) than the MAX4414EUA+ (µMAX package, θJA = 222°C/W), resulting in lower junction temperature rise under identical load conditions. The SO package also offers better power dissipation (471mW at +70°C vs. 362mW for µMAX), making MAX4414ESA+ preferable for sustained high-output-swing operation in compact portable enclosures.
MAX4414ESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- 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-SOIC
MAX4414ESA+ FAQ
1.How can I place an order for MAX4414ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4414ESA+ 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 MAX4414ESA+ reliable?
The price and inventory of MAX4414ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4414ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4414ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4414ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4414ESA+?
MAX4414ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4414ESA+ 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 MAX4414ESA+?
For technical support, including MAX4414ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4414ESA+ requirements.
6.How does Aetrix verify that MAX4414ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4414ESA+ 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 MAX4414ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4414ESA+?
All MAX4414ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4414ESA+, 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 MAX4414ESA+ part is unused and in its original packaging.
Return procedure for MAX4414ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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