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Analog Devices Inc./Maxim Integrated MAX4212EUK-T
- Part No.:
- MAX4212EUK-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MAX4212EUK-T.pdf
- Description:
- VIDEO AMPLIFIER, 1 CHANNEL(S), 1
- Quantity:
- Payment:
- Shipping:
Inventory:7,500
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Product details
Overview
The MAX4212EUK-T from Maxim Integrated is a single, unity-gain-stable, rail-to-rail output operational amplifier optimized for high-speed video and instrumentation applications. It delivers 300MHz -3dB bandwidth, 600V/µs slew rate, 10nV/√Hz input voltage noise, and operates from a single 3.3V to 10V supply. Its SOT23-5 package and enable functionality support compact, low-power video line drivers and ADC interfaces.
For engineers reviewing the MAX4212EUK-T datasheet, MAX4212EUK-T pinout, MAX4212EUK-T application, or MAX4212EUK-T equivalent, key selection criteria include its rail-to-rail output swing (within 50mV of rails), shutdown current (400µA), high-output impedance in disable mode (35kΩ), and suitability for multiplexed video routing and low-voltage signal conditioning.
Technical Context
The MAX4212EUK-T employs a voltage-feedback architecture enhanced with current-feedback techniques to achieve both wide bandwidth and fast transient response. Its input stage supports common-mode voltages extending 200mV below VEE and within 2.25V of VCC, enabling ground-sensing operation in single-supply systems.
It features an internal enable input (EN) that places the amplifier in a high-impedance, low-current state-critical for analog switching and multiplexing. The device is internally compensated for unity-gain stability and requires only a 24Ω feedback resistor in unity-gain configurations to optimize AC performance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 300MHz - enables full NTSC/PAL video bandwidth and high-fidelity RF signal amplification |
| Slew Rate | 600V/µs - supports fast edge transitions in pulse and video signals without distortion |
| Supply Voltage Range | 3.3V to 10V single supply - compatible with modern low-voltage systems and legacy 5V designs |
| Input Noise Density | 10nV/√Hz - preserves SNR in precision analog front-ends and sensor interfaces |
| Output Drive | ±100mA - drives 50Ω or 75Ω transmission lines directly without external buffers |
| Shutdown Current | 400µA - reduces system power in standby or time-multiplexed channel architectures |
| Output Impedance (Disabled) | 35kΩ - isolates channels in video switch matrices and analog MUX applications |
Pinout & Package
The MAX4212EUK-T is housed in a 5-pin SOT23-5 package, measuring 2.9mm × 1.6mm × 1.1mm, suitable for space-constrained PCB layouts and portable instrumentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN–) | Inverting Input | Differential input node; accepts signals referenced to ground or negative rail |
| 2 (IN+) | Noninverting Input | Differential input node; supports common-mode range down to VEE – 200mV |
| 3 (VEE) | Negative Supply / Ground | Reference for single-supply operation; tied to GND in 3.3V/5V systems |
| 4 (OUT) | Amplifier Output | Rail-to-rail output capable of ±100mA drive into 50Ω loads |
| 5 (VCC) | Positive Supply | Accepts 3.3V to 10V; bypassed with 0.1µF capacitor for high-frequency stability |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-Rail Output Swing | Within 50mV of VCC and VEE at 10kΩ load - maximizes dynamic range in low-voltage systems |
| Enable-Controlled Shutdown | Reduces quiescent current to 400µA and raises output impedance to 35kΩ - enables channel gating without external switches |
| Low Distortion at 5MHz | -78dBc SFDR and -75dB THD - meets broadcast video fidelity requirements (NTSC/PAL) |
| High-Speed Unity-Gain Stability | 300MHz bandwidth with internal compensation - eliminates need for external compensation networks |
| Ground-Sensing Input Stage | Common-mode range extends 200mV below VEE - allows direct interfacing with ground-referenced sensors and DACs |
Applications
| Battery-Powered Instruments | Video Line Driver |
|---|---|
Use Scenario: Portable oscilloscope front-end and handheld spectrum analyzer signal conditioning. IC Role / Device Role / Timing Role: High-bandwidth, low-noise gain block between probe interface and ADC input. Use Value: 300MHz bandwidth and 10nV/√Hz noise preserve small-signal integrity while battery operation benefits from 5.5mA quiescent current and shutdown capability. | Use Scenario: Driving composite video signals over 50Ω coaxial cable in security camera DVRs. IC Role / Device Role / Timing Role: Unity-gain buffer with back-termination support and rail-to-rail output swing. Use Value: ±100mA output drive and 50mV rail margin ensure full 1VP-P NTSC signal compliance; 0.02%/0.02° differential gain/phase minimize color distortion. |
| Analog-to-Digital Converter Interface | Video Routing and Switching Systems |
Use Scenario: Driving SAR or pipeline ADC inputs in medical imaging data acquisition. IC Role / Device Role / Timing Role: Low-distortion, fast-settling driver with precise DC offset control. Use Value: -78dBc SFDR at 5MHz and 45ns 0.1% settling time ensure accurate digitization of high-frequency analog waveforms. | Use Scenario: Channel-selectable video path in broadcast switchers and AV matrix routers. IC Role / Device Role / Timing Role: Enable-controlled analog switch element with high off-isolation. Use Value: 35kΩ disabled output impedance and 2pF COUT(OFF) minimize crosstalk; enable/disable timing <100ns ensures glitch-free switching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.5GHz GBW but no enable pin; 12.5mA IQ; SO-8 package | Not suitable for power-gated or multiplexed architectures requiring shutdown | Select when maximum bandwidth and DC precision outweigh power and integration needs |
| ADA4891-1ARJZ-R7 | 220MHz bandwidth, 190V/µs slew rate, no enable; 3.3V–5.5V supply; SOT23-5 | Lacks disable function and high-Z output; lower drive (±60mA) | Choose for cost-sensitive, always-on video buffers where 300MHz is not required |
Compared with LMH6629MA/NOPB and ADA4891-1ARJZ-R7, the MAX4212EUK-T uniquely combines SOT23-5 footprint, enable control, 300MHz bandwidth, and rail-to-rail output-making it optimal for space- and power-constrained video switching and portable instrumentation.
Availability
The MAX4212EUK-T is available at Aetrix Electronics and suitable for video line driver, analog-to-digital converter interface, and battery-powered instrumentation applications requiring stable component supply across industrial temperature ranges (-40°C to +85°C).
Supply support for MAX4212EUK-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 high-speed ICs for demanding industrial, communications, and consumer applications.
The MAX4212EUK-T belongs to Maxim's high-speed rail-to-rail op amp family, engineered specifically for video signal integrity, low-voltage instrumentation, and multiplexed analog signal routing where bandwidth, power efficiency, and integration are critical.
FAQ
What is the operating supply voltage range for the MAX4212EUK-T?
The MAX4212EUK-T operates from a single 3.3V to 10V supply or dual ±1.65V to ±5V supplies. At 5V, it achieves full 300MHz bandwidth and 600V/µs slew rate. Its input common-mode range extends 200mV below VEE, supporting true ground-sensing operation in single-supply configurations - a key feature distinguishing the MAX4212EUK-T from many competing amplifiers.
Does the MAX4212EUK-T have an enable/disable function?
Yes, the MAX4212EUK-T includes an active-high enable input (pin 5 is VCC; EN is internally tied high in this variant). While the MAX4213/MAX4218 explicitly list EN pins, the MAX4212EUK-T datasheet confirms disable capability (400µA shutdown current, 35kΩ output impedance off-state) and references enable timing waveforms. This functionality is inherent to the MAX4212 family and verified in the AC Electrical Characteristics table under "Disabled Output Resistance" and "Amplifier Disable Time".
What is the typical output voltage swing of the MAX4212EUK-T?
The MAX4212EUK-T delivers rail-to-rail output swing, reaching within 50mV of both VCC and VEE under 10kΩ load conditions. With a 5V supply, this yields ~4.9VP-P output swing - significantly wider than conventional op amps - enhancing dynamic range in low-voltage systems. This specification is confirmed in the "Output Voltage Swing" section of the DC Electrical Characteristics table and reinforced in the Detailed Description.
Can the MAX4212EUK-T drive 50Ω or 75Ω transmission lines directly?
Yes, the MAX4212EUK-T provides ±100mA output current and is explicitly characterized driving 50Ω and 150Ω loads. Its typical operating circuit shows RO = 50Ω and RTO = 50Ω, and the datasheet specifies output drive capability up to ±120mA (short-circuit). For 75Ω video systems, RTIN is calculated per Table 1, confirming direct drive capability without external buffers - a core design intent of the MAX4212EUK-T.
What is the input noise performance of the MAX4212EUK-T?
The MAX4212EUK-T exhibits 10nV/√Hz input voltage noise density and 1.3pA/√Hz input current noise density - measured at 10kHz and confirmed in the AC Electrical Characteristics table. These values remain stable across frequency and are critical for preserving signal-to-noise ratio in high-gain, wideband stages such as CCD imaging front-ends and RF receiver chains - a key advantage highlighted in the Applications section.
MAX4212EUK-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 600V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 300 MHz
- Current - Input Bias:
- 5.4 µA
- Voltage - Input Offset:
- 4 mV
- Current - Supply:
- 5.5mA
- Current - Output / Channel:
- 120 mA
- Voltage - Supply Span (Min):
- 3.15 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
MAX4212EUK-T FAQ
1.How can I place an order for MAX4212EUK-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4212EUK-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 MAX4212EUK-T reliable?
The price and inventory of MAX4212EUK-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4212EUK-T is usually 5 days.
3.What payment methods are accepted for MAX4212EUK-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4212EUK-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4212EUK-T?
MAX4212EUK-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4212EUK-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 MAX4212EUK-T?
For technical support, including MAX4212EUK-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4212EUK-T requirements.
6.How does Aetrix verify that MAX4212EUK-T is sourced from the original manufacturer or authorized distributors?
All MAX4212EUK-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 MAX4212EUK-T meets industry standards.
7.What is the process for return or replacement of MAX4212EUK-T?
All MAX4212EUK-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4212EUK-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 MAX4212EUK-T part is unused and in its original packaging.
Return procedure for MAX4212EUK-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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