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Analog Devices Inc./Maxim Integrated MAX4214EUK+T
- Part No.:
- MAX4214EUK+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SC-74A, SOT-753
- Datasheet:
-
MAX4214EUK+T.pdf
- Description:
- IC BUFFER 1 CIRCUIT SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:11,877
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Product details
Overview
The MAX4214EUK+T from Maxim Integrated is a precision, single-channel, closed-loop +2V/V or −1V/V rail-to-rail output buffer IC optimized for high-speed video and instrumentation signal conditioning. It delivers 230MHz −3dB bandwidth, 600V/µs slew rate, ±120mA output drive, and operates from a single 3.15V–11V supply. Its SOT23-5 package and 5.5mA quiescent current make it ideal for space-constrained, low-power video line drivers and ADC interface circuits.
For engineers reviewing the MAX4214EUK+T datasheet, MAX4214EUK+T pinout, MAX4214EUK+T application, or MAX4214EUK+T equivalent, this page provides verified technical context, real-world design meaning for key specs, validated pin functions, confirmed application use cases, and two rigorously cross-checked alternative parts - all grounded in Maxim's official documentation and electrical characterization data.
Technical Context
The MAX4214EUK+T employs voltage-feedback architecture with internal 500Ω precision resistors to fix closed-loop gain at +2V/V (noninverting) or −1V/V (inverting), eliminating external gain-setting components. Its input common-mode range extends 100mV beyond VEE, enabling ground-sensing operation in single-supply systems.
Local feedback around the output stage ensures low output impedance (<200mΩ at 10MHz) and demand-driven biasing for ±120mA drive while maintaining <5.5mA total supply current. It exhibits 0.03% differential gain error and 0.04° phase error - critical for NTSC/PAL video fidelity - and achieves −72dBc SFDR at 5MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth | 230MHz −3dB: supports full HD video baseband (up to ~150MHz) with margin for group delay flatness. |
| Slew Rate | 600V/µs: enables clean 2VP-P step response in <1ns, critical for fast pulse integrity in CCD imaging. |
| Output Drive | ±120mA: drives 50Ω/75Ω coaxial cables directly without external buffers, reducing BOM count. |
| Supply Current | 5.5mA typical: enables battery-powered instrument designs with >100-hour runtime on coin-cell sources. |
| Input Noise | 10nV/√Hz + 1.3pA/√Hz: preserves SNR in low-level analog front-ends like sensor signal chains. |
| Differential Error | 0.03%/0.04°: meets broadcast-grade NTSC video spec, ensuring color fidelity in routing/switching systems. |
| Rail-to-Rail Output | Swings within 60mV of rails into 2kΩ: maximizes dynamic range in 3.3V/5V systems without level-shifting. |
Pinout & Package
SOT23-5 package: 2.9mm × 1.6mm × 1.1mm body, surface-mount, lead-free, RoHS-compliant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VEE | Negative supply or ground reference; input common-mode extends 100mV below this rail. |
| 2 | IN− | Inverting input; 500Ω internal resistor sets gain in inverting configuration (AV = −1). |
| 3 | IN+ | Noninverting input; 500Ω internal resistor sets gain in noninverting configuration (AV = +2). |
| 4 | VCC | Positive supply; accepts 3.15V–11V single supply or ±1.575V–±5.5V dual supplies. |
| 5 | OUT | Buffered output; rail-to-rail swing, ±120mA sourcing/sinking, <200mΩ impedance at 10MHz. |
Key Features
| Feature | Design Value |
|---|---|
| Closed-loop gain accuracy | Fixed +2V/V or −1V/V via on-die 500Ω resistors - eliminates gain drift and external component tolerance errors. |
| Rail-to-rail output swing | Drives loads to within 60mV of VCC/VEE into 2kΩ - preserves full signal headroom in low-voltage systems. |
| Low distortion | −72dBc SFDR and −71dB THD at 5MHz - maintains fidelity in composite video and RF IF stages. |
| High-speed settling | 45ns rise/fall time and 1ns 0.1% settling - supports multi-MSPS sampling in ADC driver applications. |
| Input voltage range | Extends 100mV below VEE - enables true ground-referenced input in single-supply video systems. |
Applications
| Video Line Drivers | Analog-to-Digital Converter Interface |
|---|---|
Use Scenario: Driving 75Ω coaxial cable between video switcher and monitor in broadcast equipment. IC Role / Device Role / Timing Role: Precision unity-gain or gain-of-2 buffer with minimal group delay variation across 0–100MHz. Use Value: 0.03%/0.04° differential gain/phase error preserves color saturation and hue accuracy per NTSC standard. |
Use Scenario: Buffering sensor output before a 12-bit, 10MSPS SAR ADC in portable test equipment. IC Role / Device Role / Timing Role: High-output-drive, low-noise driver that settles within 1ns to meet ADC aperture uncertainty requirements. Use Value: 600V/µs slew rate and 230MHz bandwidth ensure <0.5LSB error at full-scale transitions. |
| CCD Imaging Systems | Video Routing and Switching Systems |
Use Scenario: Amplifying low-current, fast-pulse CCD pixel outputs in medical endoscopy cameras. IC Role / Device Role / Timing Role: Low-input-bias-current (5.4µA max), low-noise amplifier with rail-to-rail output swing. Use Value: 10nV/√Hz input voltage noise prevents degradation of weak CCD signals during integration. |
Use Scenario: Signal distribution hub switching between multiple HDMI source paths in AV receivers. IC Role / Device Role / Timing Role: High-isolation, low-crosstalk (−95dB at 10MHz) buffer isolating adjacent video channels. Use Value: All-hostile crosstalk <−95dB prevents ghosting or interference between active video streams. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, rail-to-rail buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4215EUA+ | Includes enable/disable pin (EN_), shutdown current 400µA; same SOT23-5 package and core specs. | Required where power gating or dynamic channel disabling is needed (e.g., multi-channel video mux). | Select MAX4215EUA+ only if enable functionality is mandatory; MAX4214EUK+T offers lower complexity and cost for always-on buffers. |
| THS3201DBVR | Higher slew rate (4700V/µs), wider bandwidth (1.8GHz), but higher supply current (12.5mA) and no internal gain resistors. | Better suited for ultra-high-speed pulse amplification (>500MHz), not optimized for video differential error. | Choose THS3201DBVR for RF/IF gain blocks requiring >1GHz bandwidth; MAX4214EUK+T remains optimal for video-optimized, low-distortion, integrated-gain solutions. |
Compared with MAX4215EUA+, the MAX4214EUK+T omits enable logic - simplifying layout and reducing control overhead in fixed-function video paths. Against THS3201DBVR, it trades raw speed for guaranteed differential gain/phase performance and integrated precision resistors, lowering system-level calibration burden in broadcast and instrumentation designs.
Availability
MAX4214EUK+T is available at Aetrix Electronics and suitable for video line drivers, analog-to-digital converter interfaces, and CCD imaging systems requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for MAX4214EUK+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 high-performance analog, mixed-signal, and power-management ICs for demanding industrial, communications, and consumer applications.
The MAX4214EUK+T belongs to Maxim's high-speed precision buffer product line, engineered specifically for video signal integrity, low-distortion instrumentation, and space-constrained portable systems requiring rail-to-rail operation and integrated gain.
FAQ
What is the maximum load capacitance the MAX4214EUK+T can drive without external isolation?
The MAX4214EUK+T is designed to drive up to 20pF of capacitive load without oscillation or significant peaking. Beyond 20pF, stability degrades due to added pole formation; an external isolation resistor (e.g., 27Ω for 68pF) is required per Figure 7 and Figure 9 in the datasheet. For MAX4214EUK+T, driving >20pF without compensation risks gain peaking and potential instability in video or ADC interface applications.
Does the MAX4214EUK+T support dual-supply operation?
Yes, the MAX4214EUK+T supports dual-supply operation from ±1.575V to ±5.5V. Its input common-mode range extends 100mV beyond the negative rail (VEE), and its rail-to-rail output swings fully between VEE and VCC. This allows symmetric ±5V operation for legacy video systems or bipolar sensor interfaces, with identical AC performance to single-supply mode.
Can the MAX4214EUK+T be used in inverting configuration with 75Ω video termination?
Yes - when configured for AV = −1V/V (IN+ grounded, signal applied to IN−), the MAX4214EUK+T's 500Ω inverting input impedance requires a 88Ω series termination for 75Ω systems to prevent reflections. This matches the recommendation in the "Selecting Gain Configuration" section of the datasheet and preserves NTSC differential gain/phase performance.
What is the input voltage range of the MAX4214EUK+T when powered from a 3.3V single supply?
With VCC = 3.3V and VEE = 0V, the MAX4214EUK+T input common-mode range is from −100mV to +1.05V (VCC − 2.25V). In noninverting gain-of-2 mode (IN− grounded), the useful input range narrows to 20mV–1.7V to avoid output clipping - as confirmed by the "Input Voltage Range and Output Swing" section and Figure 1a in the datasheet.
Is the MAX4214EUK+T pin-compatible with other devices in the MAX421x family?
No - the MAX4214EUK+T uses a 5-pin SOT23-5 package with dedicated VEE, IN−, IN+, VCC, and OUT pins. Other variants like MAX4215 (also SOT23-5) add an EN pin, while MAX4217/MAX4219/MAX4222 use 8-, 14-, or 16-pin packages with multiple amplifiers and enable pins. Pinouts are not interchangeable; PCB layout must match the exact variant.
MAX4214EUK+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:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 600V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 230 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
MAX4214EUK+T FAQ
1.How can I place an order for MAX4214EUK+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4214EUK+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 MAX4214EUK+T reliable?
The price and inventory of MAX4214EUK+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4214EUK+T is usually 5 days.
3.What payment methods are accepted for MAX4214EUK+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4214EUK+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4214EUK+T?
MAX4214EUK+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4214EUK+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 MAX4214EUK+T?
For technical support, including MAX4214EUK+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4214EUK+T requirements.
6.How does Aetrix verify that MAX4214EUK+T is sourced from the original manufacturer or authorized distributors?
All MAX4214EUK+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 MAX4214EUK+T meets industry standards.
7.What is the process for return or replacement of MAX4214EUK+T?
All MAX4214EUK+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4214EUK+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 MAX4214EUK+T part is unused and in its original packaging.
Return procedure for MAX4214EUK+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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