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Analog Devices Inc./Maxim Integrated MAX4215EUA+
- Part No.:
- MAX4215EUA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4215EUA+.pdf
- Description:
- IC BUFFER 1 CIRCUIT 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:102
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Product details
Overview
MAX4215EUA+ from Maxim Integrated is a single-channel, high-speed, rail-to-rail output voltage buffer with closed-loop gain of +2 or −1, 230MHz −3dB bandwidth, 600V/µs slew rate, and enable/disable functionality. It operates from a single 3.15V to 11V supply, draws only 5.5mA quiescent current (400µA in shutdown), and delivers ±120mA output drive-ideal for video line driving and ADC interface circuits.
For engineers reviewing the MAX4215EUA+ datasheet, MAX4215EUA+ pinout, MAX4215EUA+ application, or MAX4215EUA+ equivalent, key selection criteria include rail-to-rail output swing, input common-mode range extending 100mV beyond VEE, low 0.03% differential gain error, 10nV/√Hz input voltage noise, and µMAX-8 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX4215EUA+ 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 current-feedback-enhanced output stage enables 600V/µs slew rate while maintaining 230MHz bandwidth under 100Ω load.
Enable control (EN_ pin) asserts logic-low to reduce supply current to 400µA per buffer; disabled output resistance is 1kΩ (rising to 500Ω under large differential input due to internal Schottky protection diodes). Input common-mode range spans VEE − 0.1V to VCC − 2.25V, supporting ground-sensing in single-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (−3dB) | 230MHz - supports full NTSC/PAL video bandwidth and high-speed data acquisition sampling |
| Slew Rate | 600V/µs - enables clean 2VP-P pulse response with <1ns rise/fall time into 100Ω |
| Supply Current (active) | 5.5mA - allows battery-powered operation with >100hr runtime on 500mAh cell |
| Supply Current (shutdown) | 400µA - reduces system standby power by >92% versus active mode |
| Differential Gain/Phase Error | 0.03%/0.04° - meets broadcast-grade video fidelity requirements (NTSC, PAL) |
| Input Voltage Noise | 10nV/√Hz - preserves SNR in low-level signal conditioning paths (e.g., CCD sensor front-end) |
| Output Drive | ±120mA - drives 50Ω/75Ω coaxial cables directly without external buffers |
Pinout & Package
The MAX4215EUA+ is housed in an 8-pin µMAX package (pin-compatible with SO-8), measuring 3.05mm × 3.05mm × 0.8mm with exposed pad for thermal enhancement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN−) | Inverting input | 500Ω input impedance; used for −1V/V gain configuration or termination in 50/75Ω systems |
| 2 (IN+) | Noninverting input | High-impedance node; primary signal entry for +2V/V gain when IN− grounded |
| 3 (VEE) | Negative supply / ground | Reference for single-supply operation; input common-mode extends 100mV below this rail |
| 4 (EN) | Enable control input | Active-low logic; pulls to VEE to enter 400µA shutdown state; 0.075V logic-low threshold |
| 5 (OUT) | Buffer output | Rail-to-rail swing (within 60mV of rails into 2kΩ); ±120mA sourcing/sinking capability |
| 6 (N.C.) | No connection | Internally unconnected; must be left floating or tied to GND per layout guidelines |
| 7 (VCC) | Positive supply | Accepts 3.15V–11V single supply or ±1.575V–±5.5V dual supplies; bypass with 0.1µF ceramic |
| 8 (N.C.) | No connection | Internally unconnected; must be left floating or tied to GND per layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Closed-loop gain accuracy | Fixed +2V/V or −1V/V via on-die 500Ω resistors-eliminates external resistor matching errors and board area |
| Rail-to-rail output swing | Drives within 60mV of VCC/VEE into 2kΩ-maximizes dynamic range in low-voltage systems (3.3V/5V) |
| Low distortion at 5MHz | −72dBc SFDR and −71dB THD-enables high-fidelity analog signal routing without post-processing correction |
| Input noise performance | 10nV/√Hz voltage noise + 1.3pA/√Hz current noise-preserves resolution in wideband sensor interfaces |
| Enable-controlled power gating | Reduces ICC from 5.5mA to 400µA in <1µs-supports burst-mode operation in portable instrumentation |
Applications
| Video Line Drivers | Analog-to-Digital Converter Interface |
|---|---|
Use Scenario: Driving composite video signals over 75Ω coaxial cable to monitors or recording equipment in portable test gear. IC Role / Device Role / Timing Role: Precision buffer amplifying baseband video with minimal group delay and phase distortion. Use Value: 0.03% differential gain and 0.04° phase error ensure color fidelity across NTSC/PAL standards without calibration. | Use Scenario: Conditioning analog sensor outputs prior to sampling by 10–14-bit SAR or pipeline ADCs in data loggers. IC Role / Device Role / Timing Role: High-speed driver isolating ADC input capacitance while maintaining signal integrity during track/hold transitions. Use Value: 230MHz bandwidth and 600V/µs slew rate prevent settling errors at ≥1MSPS sampling rates. |
| CCD Imaging Systems | Video Routing and Switching Systems |
Use Scenario: Amplifying low-noise, low-swing outputs from scientific CCD arrays in spectroscopy or microscopy cameras. IC Role / Device Role / Timing Role: Low-noise, rail-to-rail buffer preserving weak signal integrity from pixel readout circuits. Use Value: 10nV/√Hz input voltage noise and 1.3pA/√Hz current noise minimize added noise floor in sub-electron RMS applications. | Use Scenario: Multiplexing multiple video sources to a single display or encoder in broadcast switchers or AV distribution hubs. IC Role / Device Role / Timing Role: Channel-selectable buffer enabling fast switching between inputs with minimal crosstalk. Use Value: −95dB all-hostile crosstalk at 10MHz ensures isolation between adjacent video channels during switching transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3201DR | Higher 1.8GHz bandwidth but no integrated gain resistors; requires external feedback network; 12mA ICC | Used where variable gain or >230MHz bandwidth is required; not drop-in for fixed-gain video routing | Select THS3201DR only when design demands >1GHz small-signal bandwidth and can accommodate external resistor layout |
| LMH6723MA/NOPB | 220MHz bandwidth, 400V/µs slew rate, no enable pin, SO-8 package; 6.5mA ICC | Lower power and cost for non-shutdown applications; lacks EN_ control for power-gated systems | Choose LMH6723MA/NOPB when enable functionality is unnecessary and 220MHz bandwidth suffices for HD video routing |
Compared with THS3201DR and LMH6723MA/NOPB, the MAX4215EUA+ uniquely combines fixed +2/−1 closed-loop gain, enable control, rail-to-rail output, and <0.04° differential phase error-making it optimal for space-constrained, low-power video signal conditioning where component count and calibration effort must be minimized.
Availability
MAX4215EUA+ is available at Aetrix Electronics and suitable for video line drivers, analog-to-digital converter interface circuits, and CCD imaging systems requiring stable component supply and long-term production continuity.
Supply support for MAX4215EUA+ 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, medical, and communications applications.
The MAX4215EUA+ belongs to Maxim's high-speed rail-to-rail buffer family engineered specifically for broadcast-quality video signal integrity, low-voltage instrumentation, and high-fidelity data acquisition-where bandwidth, distortion, and power efficiency are co-optimized.
FAQ
What is the operating supply voltage range for the MAX4215EUA+?
The MAX4215EUA+ operates from a single 3.15V to 11V supply or dual ±1.575V to ±5.5V supplies. At VCC = 5V and VEE = 0V, it guarantees full AC performance across −40°C to +85°C. The input common-mode range extends from VEE − 0.1V to VCC − 2.25V, enabling ground-referenced signal handling in single-supply configurations. This flexibility makes the MAX4215EUA+ suitable for both legacy 5V and modern low-voltage 3.3V systems without level-shifting circuitry.
Does the MAX4215EUA+ support both inverting and noninverting gain configurations?
Yes, the MAX4215EUA+ supports both configurations using its internal 500Ω precision resistors. For +2V/V noninverting gain, ground the IN− pin and apply the signal to IN+. For −1V/V inverting gain, ground the IN+ pin and apply the signal to IN−. In inverting mode, the 500Ω input impedance requires proper termination: 56Ω for 50Ω systems or 88Ω for 75Ω video lines. The MAX4215EUA+ does not require external resistors, reducing layout complexity and improving gain accuracy versus discrete solutions.
How does the enable (EN) pin function on the MAX4215EUA+?
The EN pin on the MAX4215EUA+ is an active-low control that places the buffer in ultra-low-power shutdown mode when pulled to VEE. In shutdown, quiescent current drops from 5.5mA to 400µA per buffer, and the output enters high-impedance state (1kΩ disabled output resistance). Enable/disable transition times are <100ns turn-on and <1µs turn-off. The logic-low threshold is 0.075V above VEE, ensuring robust noise immunity in noisy industrial environments. This feature is absent in the MAX4214 and MAX4217 variants.
What is the maximum capacitive load the MAX4215EUA+ can drive stably?
The MAX4215EUA+ is designed to drive up to 20pF of capacitive load without oscillation when properly laid out. Beyond 20pF, stability degrades due to added pole formation; peaking and ringing occur in frequency response. To drive larger loads (e.g., 47–120pF), a series isolation resistor (e.g., 27Ω) between OUT and the load is required. Figure 9 in the datasheet shows normalized gain vs. frequency with 27Ω isolation for 47pF, 68pF, and 120pF loads-confirming flat response up to 100MHz. Coaxial cables should be back-terminated to avoid capacitive loading effects.
Is the MAX4215EUA+ pin-compatible with other packages in the MAX421x family?
The MAX4215EUA+ uses the 8-pin µMAX package, which shares identical pinout and footprint with the SO-8 variant (MAX4215ESA), enabling direct PCB substitution without redesign. However, it is not pin-compatible with the 5-pin SOT23 (MAX4214) or 14/16-pin SO/QSOP packages used by multi-channel variants (MAX4217/MAX4219/MAX4222). The µMAX package offers 30% smaller area than SO-8 and enhanced thermal performance via exposed pad-critical for high-density video routing boards where thermal dissipation and board space are constrained.
MAX4215EUA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- 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:
- -
- 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:
- 8-uMAX/uSOP
MAX4215EUA+ FAQ
1.How can I place an order for MAX4215EUA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4215EUA+ 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 MAX4215EUA+ reliable?
The price and inventory of MAX4215EUA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4215EUA+ is usually 5 days.
3.What payment methods are accepted for MAX4215EUA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4215EUA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4215EUA+?
MAX4215EUA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4215EUA+ 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 MAX4215EUA+?
For technical support, including MAX4215EUA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4215EUA+ requirements.
6.How does Aetrix verify that MAX4215EUA+ is sourced from the original manufacturer or authorized distributors?
All MAX4215EUA+ 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 MAX4215EUA+ meets industry standards.
7.What is the process for return or replacement of MAX4215EUA+?
All MAX4215EUA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4215EUA+, 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 MAX4215EUA+ part is unused and in its original packaging.
Return procedure for MAX4215EUA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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