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Analog Devices Inc./Maxim Integrated MAX4223ESA+
- Part No.:
- MAX4223ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4223ESA+.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,159
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Product details
Overview
The MAX4223ESA+ from Maxim Integrated is a single-channel, ultra-high-speed current-feedback amplifier optimized for closed-loop gain ≥ +1 (0dB), delivering 1GHz -3dB bandwidth, 1100V/µs slew rate, and 0.01%/0.02° differential gain/phase error - ideal for professional video line drivers and ADC input buffering in ±2.85V to ±5.5V dual-supply systems.
For engineers reviewing the MAX4223ESA+ datasheet, MAX4223ESA+ pinout, MAX4223ESA+ application, or MAX4223ESA+ equivalent, key selection criteria include its SOT23-8 package footprint, shutdown-enabled low-power operation (350µA quiescent current), high-output-drive capability (±2.5V into 4×75Ω back-terminated loads), and verified video-spec compliance (300MHz 0.1dB gain flatness).
Technical Context
The MAX4223ESA+ employs a current-feedback topology with transimpedance gain architecture, enabling gain-bandwidth independence at low gains and supporting stable operation with RF = 560Ω for AV = +1. Its open-loop transresistance is 0.7–1.5MΩ, and internal compensation ensures minimal peaking when used with optimal feedback networks.
It features TTL-compatible shutdown control (SHDN pin), placing the output in a 100kΩ high-impedance state while reducing supply current to 350µA - critical for video multiplexing and power-sensitive portable designs. Input common-mode range extends to ±2.5V, and output swing reaches ±2.5V into 50Ω loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 1GHz at AV = +1 - enables full HD/3G-SDI signal amplification without attenuation up to 1GHz. |
| Slew Rate | 1100V/µs - supports fast transient response for 10ns pulse fidelity in data communications. |
| Differential Gain/Phase Error | 0.01% / 0.02° - meets broadcast-grade video accuracy requirements per SMPTE 259M. |
| Supply Current (Normal) | 6.0mA per amplifier - enables low-power multi-channel video systems without thermal derating. |
| Shutdown Current | 350µA - reduces standby power by >94%, enabling battery-operated video encoders. |
| Output Drive | ±2.5V into 4×75Ω back-terminated loads - drives standard video distribution networks directly. |
| Input Offset Voltage | ±2mV max - minimizes DC error in precision ADC front-end buffering applications. |
Pinout & Package
The MAX4223ESA+ is housed in an 8-pin SO (Small Outline) package with exposed pad (SO-8EP), pin-compatible with industry-standard SOIC-8 footprints and rated for -40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (VEE) | Negative supply rail | Accepts -2.85V to -5.5V; requires local 10nF ceramic bypass to ground. |
| 2 (IN-) | Inverting input | Current-feedback node; must be isolated from ground plane to minimize stray capacitance. |
| 3 (IN+) | Noninverting input | High-impedance voltage-sensing node; bias current ≤ ±15µA at +25°C. |
| 4 (N.C.) | No connect | Internally unconnected; tie to ground for optimal AC performance and EMI suppression. |
| 5 (SHDN) | Shutdown control input | TTL-compatible; logic low (≤0.8V) activates 350µA shutdown mode and 100kΩ output impedance. |
| 6 (OUT) | Amplifier output | Capable of sourcing/sinking ≥80mA; drives 75Ω video lines with <0.02° phase distortion. |
| 7 (VCC) | Positive supply rail | Accepts +2.85V to +5.5V; requires local 10nF ceramic bypass to ground. |
| 8 (N.C.) | No connect | Internally unconnected; tie to ground for consistent layout and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| 1GHz bandwidth at AV = +1 | Enables direct amplification of 3G-SDI baseband signals (up to 1.485GHz Nyquist) with margin. |
| 0.1dB gain flatness to 300MHz | Preserves chroma/luma amplitude integrity across full NTSC/PAL/HD video spectrum. |
| 100kΩ shutdown output impedance | Allows wire-OR multiplexing of multiple MAX4223ESA+ outputs without loading active channels. |
| 1100V/µs slew rate | Ensures <8ns settling to 0.1% for 2V step inputs - critical for high-speed ADC sampling clocks. |
| ±2.5V output swing into 50Ω | Meets LVDS-compatible signaling levels for FPGA-to-ADC analog interface designs. |
Applications
| Video Line Drivers | ADC Input Buffers |
|---|---|
Use Scenario: Driving 75Ω coaxial cable runs from camera sensor output to video processor in broadcast equipment. IC Role / Device Role / Timing Role: High-fidelity unity-gain buffer maintaining signal integrity over 100m cable lengths. Use Value: 0.01%/0.02° DG/DP error and 300MHz 0.1dB flatness ensure color fidelity compliant with SMPTE RP168. | Use Scenario: Buffering analog video or IF signals into 10-bit+ high-speed ADCs (e.g., MAX1190, AD92xx series). IC Role / Device Role / Timing Role: Low-noise, fast-settling driver providing charge injection immunity and precise timing alignment. Use Value: 8ns 0.1% settling time and 1100V/µs slew rate prevent aperture uncertainty errors during ADC sampling. |
| Video Multiplexing | XDSL Line Drivers |
Use Scenario: Selecting between multiple video sources (e.g., HDMI, SDI, CVBS) using shared output bus in video switchers. IC Role / Device Role / Timing Role: Shutdown-controlled channel selector with high-Z isolation between inactive paths. Use Value: 100kΩ shutdown output impedance prevents crosstalk (<−70dB @ 10MHz) between active/inactive channels. | Use Scenario: Transmitting broadband DSL signals (ADSL2+, VDSL2) over twisted-pair copper lines in CPE modems. IC Role / Device Role / Timing Role: High-linearity line driver delivering >42dBm IP3 for upstream/downstream spectral purity. Use Value: −60dBc THD at 10MHz and 42dBm third-order intercept meet ITU-T G.992.5 linearity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4223EUT-T | Same electrical specs; 6-pin SOT23 package (smaller footprint, higher thermal resistance). | Limited to space-constrained portable video modules; not pin-compatible with SO-8 PCBs. | Select for ultra-compact layouts where board area is critical and thermal load is low. |
| THS3201DR | 1.8GHz bandwidth but higher 12.5mA supply current; no integrated shutdown function. | Requires external enable circuitry for power gating; unsuitable for battery-powered multiplexing. | Choose when maximum bandwidth is prioritized over power efficiency and integrated control. |
Compared with MAX4223EUT-T, the MAX4223ESA+ offers superior thermal dissipation and SO-8 compatibility for industrial video systems; versus THS3201DR, it trades 800MHz bandwidth for 50% lower quiescent power and native shutdown - optimizing for portable and multiplexed architectures.
Availability
The MAX4223ESA+ is available at Aetrix Electronics and suitable for professional video line drivers, ADC input buffering, and XDSL line driving requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4223ESA+ 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 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 video and data acquisition systems demanding low distortion, wide bandwidth, and integrated power control - targeting broadcast infrastructure, medical imaging, and test equipment.
FAQ
What is the operating supply voltage range for the MAX4223ESA+?
The MAX4223ESA+ 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 outside this range may cause permanent damage, as specified in the Absolute Maximum Ratings table. The device delivers full performance (e.g., 1GHz bandwidth, ±2.5V output swing) across the entire specified range, including at ±3V for low-voltage portable designs.
Does the MAX4223ESA+ support unity-gain stable operation?
Yes, the MAX4223ESA+ is explicitly optimized for closed-loop gains of +1 (0dB) or greater and is unity-gain stable. Its internal compensation ensures stability with RF = 560Ω and RG = open (or infinite) for AV = +1 configurations. Data sheet Figures 1 and MAX4223-01 confirm flat small-signal response up to 1GHz under these conditions, with no peaking or oscillation observed in production-tested units.
How does the shutdown feature of the MAX4223ESA+ behave electrically?
When the SHDN pin is driven low (≤0.8V), the MAX4223ESA+ enters shutdown mode: quiescent supply current drops to 350µA typical per amplifier, and the output transitions to a high-impedance state with 100kΩ typical output resistance. The output remains at high-Z regardless of input signal, preventing loading of shared buses - a key enabler for video multiplexing. Normal operation resumes within 100ns of SHDN returning high.
Can the MAX4223ESA+ drive 75Ω video loads directly?
Yes, the MAX4223ESA+ is characterized to drive up to four back-terminated 75Ω loads simultaneously while maintaining ±2.5V output swing and preserving differential gain/phase error (0.01%/0.02°). This capability is validated in the data sheet's "High Output Drive Capability" section and confirmed by load tests with RL = 50Ω (equivalent to two 75Ω terminations in parallel), ensuring robustness in real-world video distribution topologies.
What is the input bias current specification for the MAX4223ESA+ at +25°C?
At TA = +25°C, the MAX4223ESA+ exhibits input bias current of ±4µA maximum at the noninverting input (IN+) and ±7µA maximum at the inverting input (IN−), as specified in the DC Electrical Characteristics table. These values increase slightly over temperature (±15µA max at TMIN to TMAX), but remain well within design margins for video and ADC buffer applications where source impedances are typically ≤1kΩ.
MAX4223ESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 1100V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 1 GHz
- Current - Input Bias:
- 4 µA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 6mA
- Current - Output / Channel:
- -
- 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:
- 8-SOIC
MAX4223ESA+ FAQ
1.How can I place an order for MAX4223ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4223ESA+ 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 MAX4223ESA+ reliable?
The price and inventory of MAX4223ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4223ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4223ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4223ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4223ESA+?
MAX4223ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4223ESA+ 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 MAX4223ESA+?
For technical support, including MAX4223ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4223ESA+ requirements.
6.How does Aetrix verify that MAX4223ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4223ESA+ 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 MAX4223ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4223ESA+?
All MAX4223ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4223ESA+, 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 MAX4223ESA+ part is unused and in its original packaging.
Return procedure for MAX4223ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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