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Analog Devices Inc./Maxim Integrated MAX4412EXK+T
- Part No.:
- MAX4412EXK+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX4412EXK+T.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,186
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Product details
Overview
The MAX4412EXK+T 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 operates from +2.7V to +5.5V, delivers 500MHz -3dB bandwidth, 140V/µs slew rate, and 1.7mA supply current per amplifier, and is housed in a 5-pin SC70 package rated for -40°C to +85°C. It enables compact, battery-powered video line drivers and ADC input buffers.
For engineers reviewing the MAX4412EXK+T datasheet, MAX4412EXK+T pinout, MAX4412EXK+T application, or MAX4412EXK+T equivalent, this page provides verified electrical parameters, package-specific terminal roles, real-world use cases in video and instrumentation, and validated alternative op amps with documented functional trade-offs.
Technical Context
The MAX4412EXK+T uses a bipolar voltage-feedback architecture with internal unity-gain compensation, enabling stable operation without external compensation components. Its input common-mode range extends from 100mV below ground to within 1.5V of VCC, supporting ground-sensing in single-supply systems.
It features demand-driven output biasing and internal feedback to maintain low open-loop output impedance (<0.7Ω at 1MHz), ensuring consistent gain across varying load conditions. Stability with capacitive loads requires an external isolation resistor (e.g., 22Ω for 15pF), as the device is optimized for AC performance-not reactive load driving.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +5.5V - supports direct integration into 3V and 5V battery-powered systems without level shifting. |
| -3dB Bandwidth | 500MHz - enables full NTSC/PAL video bandwidth and baseband RF signal amplification up to 500MHz. |
| Slew Rate | 140V/µs - ensures faithful reproduction of fast video edges and high-frequency transients without distortion. |
| Supply Current | 1.7mA per amplifier - allows dual-op-amp functionality in space-constrained portable devices with minimal thermal impact. |
| Input Common-Mode Range | VEE − 0.1V to VCC − 1.5V - permits input signals near ground in single-supply configurations, critical for sensor interface and ADC buffering. |
| Output Swing | Within 105mV of rails (RL = 1kΩ) - maximizes dynamic range in low-voltage systems, delivering >4.6Vp-p swing on +5V supply. |
| Differential Gain/Phase Error | 0.01% / 0.03° - meets broadcast-grade video line driver requirements for minimal color fidelity loss. |
Pinout & Package
MAX4412EXK+T is packaged in a 5-pin SC70 (X5-1) surface-mount package, measuring 2.0mm × 1.25mm × 0.9mm, suitable for ultra-dense PCB layouts in handheld and wearable electronics.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | Rail-to-rail output node; drives video lines, ADC inputs, or active filters with <0.7Ω output impedance at 1MHz. |
| 2 | VEE | Negative supply terminal (typically ground); referenced for input common-mode and output swing specification. |
| 3 | IN+ | Noninverting input; accepts signals down to 100mV below VEE, enabling true ground-referenced sensing. |
| 4 | IN− | Inverting input; used with feedback network to configure gain, filtering, or differential-to-single-ended conversion. |
| 5 | VCC | Positive supply input (+2.7V to +5.5V); requires local 0.1µF ceramic bypass capacitor for high-frequency stability. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >95% of full supply voltage swing with 1kΩ load-preserves signal headroom in low-voltage video and instrumentation chains. |
| 50MHz 0.1dB gain flatness | Ensures amplitude consistency across NTSC (4.2MHz) and PAL (5.5MHz) video bands without post-compensation. |
| -93dBc SFDR at 5MHz | Supports high-fidelity sampling in 10-bit+ ADC front-ends by minimizing spurious content that degrades ENOB. |
| Low THD (0.003%) | Reduces harmonic artifacts in audio and composite video paths, critical for EMI-sensitive portable designs. |
| Capacitive load drive (120pF) | Enables direct connection to coaxial cables and PCB traces without oscillation-when paired with ≥20Ω isolation resistor. |
Applications
| Video Line Driver | ADC Input Buffer |
|---|---|
Use Scenario: Driving 75Ω coaxial video lines in portable media players or security camera modules. IC Role / Device Role / Timing Role: Single-supply, rail-to-rail output op amp configured as unity-gain buffer with 24Ω feedback resistor. Use Value: Achieves 0.01%/0.03° differential gain/phase error-meeting broadcast video fidelity standards without external trimming. |
Use Scenario: Conditioning analog signals before high-speed SAR or pipeline ADCs in test equipment. IC Role / Device Role / Timing Role: Low-output-impedance buffer that rapidly charges ADC sample-and-hold capacitance. Use Value: 140V/µs slew rate and <0.7Ω output impedance at 1MHz ensure settling to 0.1% in ≤100ns, preserving ADC accuracy. |
| Portable Communications Baseband | Battery-Powered Instrumentation Signal Chain |
Use Scenario: Amplifying IF/baseband signals in Bluetooth/WiFi transceivers or GNSS receivers. IC Role / Device Role / Timing Role: High-bandwidth, low-distortion gain stage in DC-coupled receive path. Use Value: 500MHz bandwidth and -95dBc 3rd-harmonic distortion enable clean signal reconstruction up to UHF frequencies. |
Use Scenario: Front-end amplification for precision sensor outputs (e.g., thermopile, strain gauge) in handheld meters. IC Role / Device Role / Timing Role: Low-noise (13nV/√Hz), low-input-bias-current (1.6–4μA) amplifier with rail-to-rail output. Use Value: 1.7mA quiescent current and SC70 footprint allow integration into coin-cell-powered devices without compromising SNR. |
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 |
|---|---|---|---|
| MAX4412EUK+T | Identical electrical specs but in 5-pin SOT23 (U5-2) package; 2.9mm × 1.6mm footprint vs. SC70's 2.0mm × 1.25mm. | Preferred where board assembly uses standard SOT23 tooling or higher thermal dissipation (571mW vs. 247mW) is required. | Select MAX4412EUK+T when SC70 reflow compatibility or ultra-miniaturization is not mandatory. |
| MAX4414ETA+T | Laser-trimmed variant: lower input offset voltage (0.15mV max vs. 0.4mV), tighter offset drift (0.5μV/°C), and improved CMRR (94dB min). | Suitable for precision DC-coupled applications (e.g., medical sensor front-ends) where offset stability outweighs cost sensitivity. | Choose MAX4414ETA+T only when sub-millivolt offset and <1μV/°C drift are design-critical; otherwise, MAX4412EXK+T offers optimal speed/power/cost balance. |
Compared with MAX4412EUK+T, the MAX4412EXK+T saves 38% board area but trades 324mW lower power dissipation; versus MAX4414ETA+T, it sacrifices laser-trimmed DC precision for 30% lower unit cost and identical AC performance-making it ideal for video and AC-coupled signal paths.
Availability
MAX4412EXK+T is available at Aetrix Electronics and suitable for video line drivers, portable communications baseband stages, and battery-powered instrumentation requiring stable component supply, long-term lifecycle support, and guaranteed SC70 packaging.
Supply support for MAX4412EXK+T 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 MAX4412EXK+T belongs to Maxim's high-speed, low-power op amp family targeting portable video, instrumentation, and communications signal chains where bandwidth, rail-to-rail operation, and micro-size are essential.
FAQ
What is the operating temperature range for the MAX4412EXK+T?
The MAX4412EXK+T is specified for operation from -40°C to +85°C ambient temperature. This industrial-grade range ensures reliable performance in battery-powered handheld devices, outdoor instrumentation, and automotive infotainment interfaces. All DC and AC specifications-including bandwidth, slew rate, and distortion-are guaranteed across this full range, with typical values measured at +25°C.
Does the MAX4412EXK+T require external compensation for unity-gain stability?
No, the MAX4412EXK+T is internally compensated for unity-gain stability. When configured as a unity-gain buffer, it requires only a 24Ω feedback resistor (RF) to optimize AC response and suppress peaking caused by parasitic capacitance. This eliminates the need for external compensation networks while maintaining 500MHz bandwidth and 140V/µs slew rate in standard configurations.
Can the MAX4412EXK+T drive a 75Ω video load directly?
Yes-the MAX4412EXK+T can drive a 75Ω video load when configured as a unity-gain buffer with appropriate layout: use a 24Ω feedback resistor, place a 0.1µF VCC bypass capacitor within 2mm of the pin, and route the output through a series 22Ω isolation resistor before the 75Ω termination. This configuration achieves 0.01% differential gain error and maintains stability per NTSC/PAL video standards.
What is the maximum capacitive load the MAX4412EXK+T can drive without oscillation?
The MAX4412EXK+T can drive up to 120pF without sustained oscillation-but only when a series isolation resistor (e.g., 22Ω) is placed between the output and the capacitive load. Without this resistor, even 15pF causes significant peaking and potential instability. The optimal RISO value scales with load capacitance, ranging from ~20Ω at 15pF to ~30Ω at 100pF, as documented in Maxim's Typical Operating Characteristics.
How does the input common-mode range of the MAX4412EXK+T support single-supply operation?
The MAX4412EXK+T features an extended input common-mode range from VEE − 0.1V to VCC − 1.5V, allowing its inputs to accept signals 100mV below ground (VEE) in single-supply configurations. This ground-sensing capability enables direct interfacing with sensors, DAC outputs, or AC-coupled sources without level-shifting circuitry-critical for preserving signal integrity in low-voltage portable instrumentation using the MAX4412EXK+T.
MAX4412EXK+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 140V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 500 MHz
- Current - Input Bias:
- 1.6 µA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 1.7mA
- 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:
- SC-70-5
MAX4412EXK+T FAQ
1.How can I place an order for MAX4412EXK+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4412EXK+T 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 MAX4412EXK+T reliable?
The price and inventory of MAX4412EXK+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4412EXK+T is usually 5 days.
3.What payment methods are accepted for MAX4412EXK+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4412EXK+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4412EXK+T?
MAX4412EXK+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4412EXK+T 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 MAX4412EXK+T?
For technical support, including MAX4412EXK+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4412EXK+T requirements.
6.How does Aetrix verify that MAX4412EXK+T is sourced from the original manufacturer or authorized distributors?
All MAX4412EXK+T 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 MAX4412EXK+T meets industry standards.
7.What is the process for return or replacement of MAX4412EXK+T?
All MAX4412EXK+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4412EXK+T, 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 MAX4412EXK+T part is unused and in its original packaging.
Return procedure for MAX4412EXK+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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