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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:
- IC OPAMP VFB 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:2,620
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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 in a 5-pin SOT23 package, delivering 300MHz -3dB bandwidth, 600V/µs slew rate, and 10nV/√Hz input voltage noise. It operates from a single 3.3V to 10V supply or dual ±1.65V to ±5V supplies, with input common-mode range extending beyond the negative rail - ideal for video line driving and ADC interface circuits in battery-powered instrumentation.
For engineers reviewing the MAX4212EUK+T datasheet, MAX4212EUK+T pinout, MAX4212EUK+T application, or MAX4212EUK+T equivalent, key selection criteria include its 300MHz small-signal bandwidth, rail-to-rail output swing within 50mV of each rail, low 5.5mA quiescent current, high ±100mA output drive, and absence of enable/disable functionality (unlike MAX4213/MAX4218).
Technical Context
This is a voltage-feedback op amp enhanced with current-feedback techniques to achieve high slew rate and wide bandwidth while maintaining unity-gain stability. Its input stage supports ground-sensing operation (common-mode down to VEE − 0.2V), and its output stage uses local feedback to maintain low open-loop output impedance (~8Ω) and deliver ±100mA into resistive loads.
The device lacks an enable pin - unlike the MAX4213/MAX4218 family members - and is optimized for fixed-operation, high-fidelity analog signal paths. It requires a 24Ω feedback resistor in unity-gain configuration to damp parasitic LC resonance and ensure stable AC response up to 300MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Small-Signal Bandwidth | 300MHz (-3dB) - enables full HD video signal amplification without gain roll-off at baseband. |
| Slew Rate | 600V/µs - supports fast transient response for 5MHz video signals with <0.02% differential gain error. |
| Input Voltage Noise | 10nV/√Hz - preserves SNR in low-level signal conditioning before ADC sampling. |
| Output Drive | ±100mA - drives 50Ω or 75Ω transmission lines directly without external buffers. |
| Supply Range | 3.3V to 10V single supply - compatible with Li-ion, 5V, and industrial 9V rails without level-shifting. |
| Output Swing | Within 50mV of each rail (RL = 10kΩ) - maximizes dynamic range in single-supply systems. |
| Quiescent Current | 5.5mA typical - balances speed and power for portable video and test equipment. |
Pinout & Package
MAX4212EUK+T is housed in a 5-pin SOT23-5 package (JEDEC MO-178AA), footprint-compatible with industry-standard SOT23 layouts and suitable for high-density PCB designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - IN− | Inverting input | Differential input node; accepts signals down to VEE − 0.2V; high-impedance (70kΩ typical). |
| 2 - IN+ | Noninverting input | Differential input node; same common-mode range as IN−; matched offset and noise performance. |
| 3 - VEE | Negative supply / ground | Reference for single-supply operation; supports rail-to-rail input common-mode down to this node. |
| 4 - OUT | Amplifier output | Rail-to-rail capable; delivers ±100mA; low 8Ω open-loop output impedance improves load regulation. |
| 5 - VCC | Positive supply | Accepts 3.3V–10V; requires local 0.1µF ceramic bypass to VEE for HF stability. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output | Swings to within 50mV of VCC and VEE under 10kΩ load - preserves >98% of available voltage headroom. |
| Ground-sensing input | Common-mode range extends to VEE − 0.2V - enables direct interfacing with sensors referenced to system ground. |
| Low distortion at 5MHz | −78dBc SFDR and −75dB THD - meets broadcast video (NTSC/PAL) differential gain/phase specs (0.02%/0.02°). |
| Unity-gain stable | Internally compensated; requires only 24Ω series feedback resistor in unity-gain configuration - eliminates external compensation design effort. |
| High-output drive | ±100mA sourcing/sinking - drives coaxial cables, ADC inputs, and multiplexer loads without external buffers. |
Applications
| Video Line Driver | Analog-to-Digital Converter Interface |
|---|---|
Use Scenario: Driving composite video (CVBS) or RGB signals over 75Ω coaxial cable to monitors or capture cards. IC Role / Device Role / Timing Role: High-speed, low-distortion buffer amplifier with rail-to-rail output and ground-referenced input. Use Value: Maintains 0.02% differential gain and 0.02° phase accuracy across NTSC bandwidth, eliminating color fidelity loss. | Use Scenario: Buffering sensor outputs or signal chain stages before a high-speed SAR or pipeline ADC. IC Role / Device Role / Timing Role: Low-noise, fast-settling driver ensuring full-scale accuracy and minimal code-dependent distortion. Use Value: 10nV/√Hz input noise and 45ns 0.1% settling time preserve ENOB in 10–14-bit, 1–10MSPS ADC systems. |
| Battery-Powered Instruments | CCD Imaging Systems |
Use Scenario: Portable oscilloscopes, handheld spectrum analyzers, or field test equipment requiring wide bandwidth and low power. IC Role / Device Role / Timing Role: Signal-conditioning amplifier operating from single-cell Li-ion (3.3V) or two-cell (6–7.2V) supplies. Use Value: 5.5mA quiescent current + 300MHz bandwidth enables high-fidelity acquisition without thermal throttling or excessive battery drain. | Use Scenario: Amplifying low-noise, low-current CCD pixel outputs prior to correlated double sampling. IC Role / Device Role / Timing Role: Low-input-current, low-noise transimpedance or voltage gain stage with fast pulse response. Use Value: 1.3pA/√Hz input current noise and 1ns rise/fall time support high-resolution, low-smear imaging at frame rates >30fps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4891-1ARJZ-R7 | 220MHz bandwidth, 170V/µs slew rate, 1.2mA IQ, SOT23-5 package | Lower power and bandwidth; better for <100MHz portable signal chains where ultra-low IQ is critical | Select when power budget is <2mA and 300MHz is not required; verify stability with capacitive loads. |
| LMH6629MA/NOPB | 1.5GHz bandwidth, 940V/µs slew rate, 12.5mA IQ, SO-8 package | Higher speed and drive, but larger SO-8 footprint and no rail-to-rail output (clips ~1.2V from rails) | Choose for RF IF amplification or >500MHz scope front-ends; avoid if rail-to-rail output or SOT23 size is mandatory. |
Compared with ADA4891-1ARJZ-R7 and LMH6629MA/NOPB, the MAX4212EUK+T uniquely balances 300MHz bandwidth, rail-to-rail output, 5.5mA quiescent current, and SOT23-5 size - making it optimal for space-constrained, medium-speed video and data-acquisition systems where output swing and distortion performance are non-negotiable.
Availability
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, long-term obsolescence management, and traceable sourcing.
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 power-management ICs for demanding industrial, communications, and consumer applications.
The MAX4212 belongs to Maxim's high-speed, rail-to-rail op amp product line, engineered specifically for video signal integrity, low-voltage instrumentation, and high-fidelity data-acquisition front-ends where bandwidth, distortion, and output swing are critical.
FAQ
Does the MAX4212EUK+T have an enable/disable pin?
No, the MAX4212EUK+T does not include an enable pin. Unlike the MAX4213 or MAX4218 variants, it is a fixed-operation amplifier with no shutdown control. Its quiescent supply current remains at 5.5mA regardless of external logic states. This simplifies biasing in always-on signal paths but precludes power-gating strategies.
What is the recommended feedback resistor for unity-gain configuration of the MAX4212EUK+T?
The MAX4212EUK+T requires a 24Ω resistor in series with the feedback path for unity-gain operation. This value damps parasitic LC resonance formed by feedback capacitance and board inductance, ensuring flat frequency response and stability up to 300MHz. Omitting or deviating significantly from 24Ω risks peaking or oscillation.
Can the MAX4212EUK+T drive a 50Ω load directly?
Yes, the MAX4212EUK+T can drive a 50Ω load directly, delivering ±100mA output current. In a unity-gain configuration with 24Ω feedback, it maintains 300MHz bandwidth and <0.02% differential gain error into 50Ω - making it suitable for back-terminated video or RF signal routing without external buffers.
What is the input common-mode voltage range for the MAX4212EUK+T?
The input common-mode voltage range for the MAX4212EUK+T is from (VEE − 0.2V) to (VCC − 2.25V). In a single 5V supply (VEE = 0V, VCC = 5V), this spans −0.2V to +2.75V - enabling ground-referenced inputs and compatibility with sensors or DACs operating near system ground.
Is the MAX4212EUK+T pin-compatible with other devices in the MAX42xx family?
No, the MAX4212EUK+T is not pin-compatible with other MAX42xx variants. Its 5-pin SOT23 layout (IN−, IN+, VEE, OUT, VCC) differs from the 8-pin µMAX/SO packages of MAX4213/MAX4216 and the 14/16-pin packages of MAX4218/MAX4220. Pinouts, enable functionality, and channel count are not interchangeable.
MAX4212EUK+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- 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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