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Analog Devices Inc./Maxim Integrated MAX4220ESD-T
- Part No.:
- MAX4220ESD-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4220ESD-T.pdf
- Description:
- IC OPAMP VFB 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:12,238
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Product details
Overview
The MAX4220ESD-T from Maxim Integrated is a quad, rail-to-rail output, voltage-feedback operational amplifier with enable control, designed for high-speed video and RF signal processing. It delivers 200MHz -3dB bandwidth, 600V/µs slew rate, ±100mA output drive, and operates from a single 3.3V–11V supply. Its 400µA shutdown current and high-impedance disabled state make it suitable for multiplexing in battery-powered instrumentation and video routing systems.
For engineers reviewing the MAX4220ESD-T datasheet, MAX4220ESD-T pinout, MAX4220ESD-T application, or MAX4220ESD-T equivalent, key selection criteria include its quad-channel configuration, 14-pin SO package, enable-controlled power-down capability, rail-to-rail output swing within 50mV of rails, and verified performance in NTSC video line driving and ADC interface circuits.
Technical Context
The MAX4220ESD-T employs current-feedback techniques within a voltage-feedback architecture to achieve high slew rate and wide bandwidth while maintaining unity-gain stability. Its input stage supports common-mode voltages extending 200mV below VEE and to within 2.25V of VCC, enabling ground-sensing operation in single-supply systems.
Each amplifier features independent enable (ENA/ENB/ENC/END) inputs that reduce quiescent current to 400µA and raise output impedance to 35kΩ when asserted low. The device uses local feedback around the output stage to maintain low open-loop output impedance (~8Ω) and deliver ±100mA drive into 20Ω loads without compromising supply current efficiency.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 200MHz - supports full NTSC/PAL video bandwidth and high-fidelity analog signal conditioning up to 100MHz fundamental. |
| Slew Rate | 600V/µs - enables clean 2V-step response in under 4ns, critical for fast pulse and video signal fidelity. |
| Supply Range | 3.3V to 11V single supply - compatible with 3.3V, 5V, and 9V industrial and portable systems without dual-rail generation. |
| Output Drive | ±100mA - drives 50Ω/75Ω transmission lines directly or supports heavy capacitive loads with external isolation. |
| Shutdown Current | 400µA per amplifier - reduces total system quiescent power by >93% versus active mode (5.5mA), ideal for power-gated channel banks. |
| Input Noise | 10nV/√Hz voltage noise, 1.3pA/√Hz current noise - preserves SNR in low-level signal amplification (e.g., CCD sensor front-end). |
| Differential Gain/Phase | 0.02%/0.02° - meets broadcast-grade video specifications for minimal color distortion in composite video paths. |
Pinout & Package
The MAX4220ESD-T is housed in a 14-pin SO (Small Outline) package, 150mil width, with exposed pad not electrically connected. Pin 1 is marked by a beveled corner or dot; pin numbering follows standard SO convention (counterclockwise from pin 1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (INA+) | Amplifier A noninverting input | High-impedance node accepting signals down to VEE − 0.2V; optimized for low noise and wide common-mode range. |
| 2 (INA−) | Amplifier A inverting input | Feedback node for closed-loop configurations; matched to INA+ for precision gain accuracy. |
| 3 (OUTA) | Amplifier A output | Rail-to-rail output capable of ±100mA sourcing/sinking; swings to within 50mV of VCC or VEE with 10kΩ load. |
| 4 (VEE) | Negative supply / ground | Reference for all four amplifiers; supports single-supply operation with VEE = 0V or dual-supply with negative rail. |
| 5 (VCC) | Positive supply | Accepts 3.3V–11V; requires local 0.1µF ceramic bypass to VEE for stable high-frequency operation. |
| 6 (INB+) | Amplifier B noninverting input | Independent input for second channel; identical electrical characteristics to INA+. |
| 7 (INB−) | Amplifier B inverting input | Matches INB+ for channel-matched performance in differential or parallel configurations. |
| 8 (OUTB) | Amplifier B output | Functionally identical to OUTA; enables dual-channel video routing or independent signal paths. |
| 9 (ENA) | Amplifier A enable control | Active-low logic input; pulls output to high-Z and reduces IS to 400µA when ≤ VCC − 2.6V. |
| 10 (ENB) | Amplifier B enable control | Independent shutdown for Channel B; allows selective power gating without affecting other channels. |
| 11 (INC+) | Amplifier C noninverting input | Third channel input; supports simultaneous multi-path signal conditioning in compact layouts. |
| 12 (INC−) | Amplifier C inverting input | Matched pair with INC+; maintains <1mV offset matching across channels per datasheet spec. |
| 13 (OUTC) | Amplifier C output | Full-performance output with same drive and bandwidth as OUTA/OUTB. |
| 14 (VEE) | Negative supply / ground (redundant) | Second VEE connection for improved PSRR and thermal distribution; must be tied to same net as Pin 4. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Within 50mV of VCC and VEE under 10kΩ load - maximizes dynamic range in 3.3V/5V systems, enabling 4.9VP-P output from 5V supply. |
| Independent per-channel enable | Four logic-controlled shutdown inputs (ENA–END) - permits granular power management in multi-amplifier signal chains without inter-channel crosstalk. |
| Low distortion at 5MHz | −75dB THD, −78dBc SFDR - preserves signal integrity in high-fidelity analog front-ends for communications and instrumentation. |
| High-output impedance in disable | 35kΩ typical OFF-state output resistance - isolates inactive channels in video multiplexers and prevents loading of shared buses. |
| Ground-sensing input stage | Common-mode range extends to VEE − 0.2V - enables direct interfacing with sensors or DACs referenced to system ground in single-supply designs. |
Applications
| Battery-Powered Instruments | Video Line Driver |
|---|---|
Use Scenario: Portable oscilloscope front-end or handheld spectrum analyzer requiring low-power, high-bandwidth signal conditioning. IC Role / Device Role / Timing Role: Quad op amp providing simultaneous gain, filtering, and level-shifting for multiple analog acquisition channels. Use Value: 400µA shutdown per channel extends battery life; 200MHz bandwidth captures harmonics up to 100MHz without aliasing. | Use Scenario: Driving 75Ω coaxial cable in SD/HD video switchers or broadcast equipment with NTSC/PAL compliance. IC Role / Device Role / Timing Role: Unity-gain buffer with 50mV rail-to-rail swing and 0.02%/0.02° differential gain/phase error. Use Value: Meets SMPTE/EBU video specs without external compensation; ±100mA drive eliminates need for discrete output transistors. |
| Analog-to-Digital Converter Interface | Video Routing and Switching Systems |
Use Scenario: Driving SAR or pipeline ADC inputs with fast settling and low noise in data acquisition modules. IC Role / Device Role / Timing Role: High-speed driver buffering sensor outputs before digitization; provides 45ns 0.1% settling time for 2V steps. Use Value: 10nV/√Hz input noise preserves ENOB; rail-to-rail output ensures full ADC input range utilization. | Use Scenario: Channel-selectable video path in matrix switchers where unused amplifiers must not load active signal paths. IC Role / Device Role / Timing Role: Quad amplifier with independent enable inputs acting as electronically controlled analog switches. Use Value: 35kΩ disabled output impedance and 2pF OFF capacitance minimize crosstalk (<−110dB at 10MHz) between routed channels. |
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 |
|---|---|---|---|
| MAX4218ESD | Triple-channel version in same 14-pin SO package; shares identical AC specs (200MHz BW, 600V/µs), but lacks fourth amplifier and END pin. | Used where three high-speed channels suffice; saves board space vs. using two duals, but cannot replace quad functionality. | Select MAX4218ESD when only three channels are needed and layout density is critical; verify enable logic mapping matches design. |
| THS4631D | Single-channel, 300MHz, 350V/µs JFET-input op amp in 8-pin SO; no enable function; higher input bias current (1pA vs. 5.4µA) but lower input voltage noise (7.8nV/√Hz). | Preferred for ultra-low-noise single-ended front-ends where power gating is unnecessary and bandwidth >200MHz is required. | Choose THS4631D for single-channel, lowest-noise applications above 200MHz; avoid if quad integration or shutdown capability is mandatory. |
Compared with MAX4218ESD and THS4631D, the MAX4220ESD-T uniquely delivers four independently controllable, high-drive, low-distortion amplifiers in a single 14-pin SO package-enabling compact, power-aware video and instrumentation signal routing without channel duplication or external logic.
Availability
The MAX4220ESD-T is available at Aetrix Electronics and suitable for video routing and switching systems, battery-powered test instruments, and analog-to-digital converter interface circuits requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX4220ESD-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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.
The MAX42xx family was designed specifically for high-speed, low-voltage, rail-to-rail signal conditioning in video, imaging, and instrumentation systems-emphasizing bandwidth, distortion performance, and flexible power management.
FAQ
What is the operating supply voltage range for the MAX4220ESD-T?
The MAX4220ESD-T operates from a single 3.3V to 11V supply or dual ±1.65V to ±5.5V supplies. At 5V operation, it delivers full 200MHz bandwidth and 600V/µs slew rate. The device remains functional down to 3.15V (per datasheet min), making it suitable for brown-out tolerant 3.3V systems. Supply rejection ratio is 46–57dB across frequency, ensuring robustness against rail noise.
Does the MAX4220ESD-T support rail-to-rail input operation?
The MAX4220ESD-T supports rail-to-rail *output* swing (within 50mV of VCC/VEE), but its input common-mode range extends from (VEE − 0.2V) to (VCC − 2.25V). This "ground-sensing" input allows operation with inputs at or slightly below VEE (e.g., 0V in single-supply), but does not accept signals near VCC. For true rail-to-rail input, external level-shifting or alternative amplifiers like the MAX44267 would be required.
How does the enable function work on the MAX4220ESD-T?
The MAX4220ESD-T has four independent active-low enable inputs (ENA, ENB, ENC, END). When pulled ≤ VCC − 2.6V, each amplifier shuts down, reducing quiescent current to 400µA and placing its output in high-impedance state (35kΩ typical). The enable threshold is supply-dependent and specified over temperature. No pull-up/pull-down resistors are required, but a 10kΩ series resistor is recommended to limit logic-low input current near VEE, per Maxim's application note.
What is the small-signal -3dB bandwidth of the MAX4220ESD-T?
The MAX4220ESD-T has a small-signal -3dB bandwidth of 200MHz under standard test conditions (VCC = 5V, RL = 100Ω, AVCL = +1, TA = +25°C). This is confirmed across all four channels and holds for both inverting and noninverting configurations. Bandwidth decreases with heavier loads (e.g., 150MHz at RL = 50Ω) and increases slightly in dual-supply mode, but 200MHz is the guaranteed minimum for 14-pin SO packaged units per datasheet Figure 2.
Can the MAX4220ESD-T drive 50Ω or 75Ω transmission lines directly?
Yes-the MAX4220ESD-T can directly drive 50Ω or 75Ω lines with proper termination. Its ±100mA output drive and low 8Ω open-loop output impedance allow clean 2VP-P delivery into 50Ω (40mA per rail). For back-terminated lines, place the 50Ω/75Ω resistor at the load end. For unterminated or capacitive loads >5pF, add a 20–30Ω isolation resistor (RS) in series with the output to prevent peaking and oscillation, as validated in Figures 5–8 of the datasheet.
MAX4220ESD-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 600V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 200 MHz
- Current - Input Bias:
- 5.4 µA
- Voltage - Input Offset:
- 4 mV
- Current - Supply:
- 5.5mA (x4 Channels)
- 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:
- 14-SOIC
MAX4220ESD-T FAQ
1.How can I place an order for MAX4220ESD-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4220ESD-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 MAX4220ESD-T reliable?
The price and inventory of MAX4220ESD-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4220ESD-T is usually 5 days.
3.What payment methods are accepted for MAX4220ESD-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4220ESD-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4220ESD-T?
MAX4220ESD-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4220ESD-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 MAX4220ESD-T?
For technical support, including MAX4220ESD-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4220ESD-T requirements.
6.How does Aetrix verify that MAX4220ESD-T is sourced from the original manufacturer or authorized distributors?
All MAX4220ESD-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 MAX4220ESD-T meets industry standards.
7.What is the process for return or replacement of MAX4220ESD-T?
All MAX4220ESD-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4220ESD-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 MAX4220ESD-T part is unused and in its original packaging.
Return procedure for MAX4220ESD-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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