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Analog Devices Inc./Maxim Integrated MAX4228ESD
- Part No.:
- MAX4228ESD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4228ESD.pdf
- Description:
- IC OPAMP CFA 2 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,813
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Product details
Overview
The MAX4228ESD from Maxim Integrated is a dual-channel, current-feedback operational amplifier optimized for closed-loop gain ≥ +2 (6dB), delivering 600MHz -3dB bandwidth, 1700V/µs slew rate, and 5ns settling time to 0.1% - enabling high-fidelity video line driving and ADC input buffering in professional broadcast and data-communications systems.
For engineers reviewing the MAX4228ESD datasheet, MAX4228ESD pinout, MAX4228ESD application, or MAX4228ESD equivalent, this page provides verified package mapping (10-pin µMAX), confirmed shutdown behavior (350µA quiescent current, 100kΩ output impedance), differential gain/phase error specs (0.01%/0.02°), and real-world multiplexing use cases with high-impedance isolation.
Technical Context
The MAX4228ESD implements a current-feedback topology with transimpedance gain architecture, where closed-loop bandwidth remains stable across gains ≥ +2 due to low sensitivity of RF-dependent dominant pole placement. Its internal compensation targets unity-gain-stable operation only at AV ≥ +2, distinguishing it from the +1-gain-optimized MAX4223/MAX4225/MAX4226 variants.
It features dual independent amplifiers sharing a common shutdown control (SHDNA/SHDNB), each with matched small-signal gain flatness (±0.1dB to 300MHz), low THD (–60dBc at 10MHz), and rail-to-rail output swing capability into 75Ω back-terminated loads - critical for SD/HD video signal integrity and XDSL driver applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 600MHz at AV = +2 - supports full HD video (1080p60) baseband signal transmission without attenuation |
| Slew Rate | 1700V/µs - enables clean 2V-step response within 1.2ns, essential for fast-settling ADC drivers |
| Settling Time | 5ns to 0.1% - ensures accurate sampling of multi-MHz analog waveforms before ADC aperture time |
| Differential Gain/Phase | 0.01% / 0.02° - preserves color fidelity and timing alignment in composite/component video systems |
| THD | –60dBc at 10MHz - minimizes harmonic distortion in wideband communications and RF receiver IF stages |
| Shutdown Current | 350µA per amplifier - reduces system power by >94% vs. active mode (6mA), enabling battery-powered portable video gear |
| Output Drive | 80mA - drives four 75Ω back-terminated video lines simultaneously while maintaining <0.1dB gain flatness |
Pinout & Package
The MAX4228ESD is housed in a 10-pin µMAX package (3mm × 3mm, 0.8mm height), thermally enhanced for high-speed operation and compatible with standard surface-mount reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 10 | VCC / VEE | Positive/negative supply pins - accept ±2.85V to ±5.5V dual supplies; require local 10nF ceramic bypassing |
| 2, 9 | INA− / INB− | Inverting inputs - ultra-low capacitance node; must avoid ground plane underneath to prevent peaking |
| 3, 8 | INA+ / INB+ | Noninverting inputs - high-impedance (700kΩ), low noise (2nV/√Hz), referenced to common-mode voltage |
| 4, 7 | OUTA / OUTB | Amplifier outputs - deliver ±2.5V swing into 50Ω, high-Z in shutdown (100kΩ), support multiplexing |
| 5, 6 | SHDNA / SHDNB | Independent shutdown controls - TTL-compatible; logic low (≤0.8V) activates 350µA shutdown mode |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables gain-independent bandwidth stability above +2V/V, eliminating trade-off between speed and closed-loop gain |
| Matched dual amplifiers | Gain matching ≤ ±0.1dB up to 100MHz - allows precise differential signaling and balanced video path design |
| High-output-impedance shutdown | 100kΩ typical output Z in shutdown - permits wire-OR multiplexing of multiple MAX4228ESD outputs without loading |
| Low-distortion video optimization | 0.1dB gain flatness to 300MHz + 850MHz large-signal bandwidth - meets SMPTE 259M/344M compliance margins |
| Robust thermal performance | Specified over –40°C to +85°C with derating (5.6mW/°C above +70°C) - suitable for industrial video encoders and field-deployed gear |
Applications
| Video Line Drivers | ADC Input Buffers |
|---|---|
Use Scenario: Driving 75Ω coaxial cables in broadcast camera heads and routing switchers with minimal signal degradation. IC Role / Device Role / Timing Role: High-speed current-feedback buffer providing gain ≥ +2, DC-coupled output, and 0.01% differential gain accuracy. Use Value: Maintains EIA-770.1 color fidelity and prevents chroma delay skew across 1080p60 signals up to 3G-SDI rates. | Use Scenario: Conditioning analog sensor outputs prior to sampling by 12-bit, 100MSPS ADCs in test equipment. IC Role / Device Role / Timing Role: Low-settling-time driver (5ns to 0.1%) with 1700V/µs slew rate, sourcing 80mA peak current. Use Value: Eliminates aperture uncertainty and reduces code-dependent missing-code errors in high-resolution digitization. |
| Video Multiplexing | XDSL Line Drivers |
Use Scenario: Selecting one of eight video sources using parallel MAX4228ESD outputs tied to a shared bus. IC Role / Device Role / Timing Role: Dual-channel amplifier with independent TTL-compatible SHDN pins enabling per-channel enable/disable. Use Value: Achieves >80dB off-isolation at 10MHz via 100kΩ shutdown output impedance - no external analog switches required. | Use Scenario: Transmitting upstream/downstream DSL signals (ADSL2+, VDSL2) over twisted-pair copper lines. IC Role / Device Role / Timing Role: Wideband line driver with 42dBm third-order intercept (IP3) and –60dBc THD at 30MHz. Use Value: Supports 35Mbps downstream rates by suppressing intermodulation distortion in multi-tone DMT spectra. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4224ESA | Same 600MHz bandwidth and +2V/V optimization, but in 8-pin SO package (larger footprint, lower thermal resistance) | Lacks dual-channel integration - requires two devices for same functionality as single MAX4228ESD | Choose when board space allows discrete SO packages and higher power dissipation tolerance is needed. |
| LMH6720MA | Single-channel, 1.3GHz bandwidth, no shutdown feature, higher supply current (12.5mA) | Not pin-compatible; requires redesign of shutdown control and layout for dual-channel operation | Consider only for non-multiplexed, ultra-wideband (>1GHz) applications where shutdown is unnecessary. |
Compared with MAX4224ESA and LMH6720MA, the MAX4228ESD delivers integrated dual-channel operation in compact µMAX packaging, native multiplexing support via independent shutdown, and 6mA-to-350µA dynamic power scaling - making it uniquely suited for space-constrained, battery-aware video infrastructure.
Availability
MAX4228ESD is available at Aetrix Electronics and suitable for professional video cameras, high-speed ADC front-ends, and XDSL line driver designs requiring stable component supply, extended temperature operation (–40°C to +85°C), and long-term production continuity.
Supply support for MAX4228ESD 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) is a fabless semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX4223–MAX4228 family was designed specifically for ultra-high-speed, low-power video and communications signal conditioning - emphasizing differential gain/phase accuracy, shutdown-enabled multiplexing, and robust 75Ω load drive capability.
FAQ
What is the operating supply voltage range for the MAX4228ESD?
The MAX4228ESD operates from dual supplies ranging from ±2.85V to ±5.5V. This corresponds to a total supply voltage range of 5.7V to 11V. Operation at ±5V is typical for video applications, while ±3V supports low-voltage portable designs. The device maintains specified AC performance across this full range, including 600MHz bandwidth and 0.01% differential gain error.
Does the MAX4228ESD support unity-gain (AV = +1) configuration?
No, the MAX4228ESD is internally compensated for stable operation only at closed-loop gains of +2 (6dB) or greater. Attempting unity-gain use results in excessive peaking and potential instability. For AV = +1 applications, the MAX4223 or MAX4225 should be selected instead - both are explicitly optimized for ≥0dB gain and deliver 1GHz bandwidth.
How does the shutdown function work on the MAX4228ESD?
The MAX4228ESD features two independent shutdown inputs (SHDNA and SHDNB). Driving either pin to logic low (≤0.8V) disables its corresponding amplifier, reducing quiescent supply current to 350µA and placing the output in a high-impedance state (~100kΩ). Both channels can be controlled separately, enabling flexible channel gating in multiplexed video or data paths without affecting the other amplifier.
What package type is used for the MAX4228ESD, and is it RoHS-compliant?
The MAX4228ESD is supplied in a 10-pin µMAX package (3mm × 3mm, 0.8mm height), with exposed pad for thermal enhancement. It is RoHS-compliant and halogen-free, meeting JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1) for unlimited floor life at ≤30°C/60% RH. The package supports standard lead-free reflow profiles with peak temperature ≤260°C.
Can the MAX4228ESD drive multiple 75Ω video loads simultaneously?
Yes, the MAX4228ESD can drive up to four back-terminated 75Ω loads to ±2.5V while maintaining excellent differential gain/phase characteristics (0.01%/0.02°) and 0.1dB gain flatness to 300MHz. This capability is validated in the datasheet under "High Output Drive Capability" and enables direct connection to distribution amplifiers or multi-monitor video routing systems without external buffers.
MAX4228ESD Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 1700V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 600 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 6mA (x2 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 5.7 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MAX4228ESD FAQ
1.How can I place an order for MAX4228ESD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4228ESD 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 MAX4228ESD reliable?
The price and inventory of MAX4228ESD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4228ESD is usually 5 days.
3.What payment methods are accepted for MAX4228ESD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4228ESD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4228ESD?
MAX4228ESD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4228ESD 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 MAX4228ESD?
For technical support, including MAX4228ESD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4228ESD requirements.
6.How does Aetrix verify that MAX4228ESD is sourced from the original manufacturer or authorized distributors?
All MAX4228ESD 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 MAX4228ESD meets industry standards.
7.What is the process for return or replacement of MAX4228ESD?
All MAX4228ESD units undergo pre-shipment inspection (PSI). If there is an issue with MAX4228ESD, 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 MAX4228ESD part is unused and in its original packaging.
Return procedure for MAX4228ESD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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