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Analog Devices Inc./Maxim Integrated MAX4219ESD
- Part No.:
- MAX4219ESD
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4219ESD.pdf
- Description:
- IC BUFFER 3 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,983
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Product details
Overview
MAX4219ESD from Maxim Integrated is a triple-channel, high-speed, closed-loop rail-to-rail buffer with enable functionality, configured for fixed gain of +2V/V or −1V/V. It delivers 230MHz −3dB bandwidth, 600V/µs slew rate, ±120mA output drive, and operates from a single 3.15V to 11V supply. It is used in video routing systems requiring precise gain matching and low distortion across three parallel signal paths.
For engineers reviewing the MAX4219ESD datasheet, MAX4219ESD pinout, MAX4219ESD application, or MAX4219ESD equivalent, key selection criteria include its 3-channel architecture with individual enable control, 14-pin SO package, −40°C to +85°C temperature range, and verified performance in NTSC video line driving with 0.03% differential gain error and 0.04° phase error.
Technical Context
The MAX4219ESD implements voltage-feedback topology enhanced with current-feedback techniques to achieve wide bandwidth and fast transient response. Each of its three independent amplifiers integrates precision 500Ω internal resistors for stable closed-loop gain configuration without external components.
It features rail-to-rail output swing (within 60mV of rails into 2kΩ), input common-mode range extending 100mV beyond VEE, and dedicated EN_ pins per channel enabling independent power gating. Shutdown reduces quiescent current to 400µA per buffer while maintaining high-impedance output state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channels | 3 independent amplifiers with individual enable control |
| −3dB Bandwidth | 230MHz - supports full HD video baseband and RF IF signals up to ~115MHz |
| Slew Rate | 600V/µs - ensures <1ns rise/fall times for 2V steps, critical for pulse fidelity |
| Output Drive | ±120mA - drives 50Ω/75Ω coaxial lines directly without external buffers |
| Supply Range | Single 3.15V–11V or dual ±1.575V–±5.5V - compatible with 3.3V, 5V, and ±5V systems |
| DG/DP Error | 0.03%/0.04° - meets broadcast-grade NTSC/PAL video timing accuracy requirements |
| Quiescent Current | 5.5mA per buffer active; 400µA per buffer in shutdown - enables dynamic power management |
Pinout & Package
MAX4219ESD is housed in a 14-pin SO (Small Outline) package with standard 1.27mm pitch, JEDEC MS-012AC compliant, footprint-compatible with industry-standard 14SOIC layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7 | Amplifier A/B/C inputs and outputs | INA+, INA−, OUTA; INB+, INB−, OUTB; INC+, INC−, OUTC - fully independent signal paths |
| 8 | VEE | Negative supply or ground reference for all three amplifiers |
| 9, 10, 11 | Enable inputs | ENA, ENB, ENC - TTL/CMOS-compatible logic inputs controlling each amplifier's bias state |
| 12, 13, 14 | VCC, N.C., N.C. | VCC supplies all channels; pins 13 and 14 are no-connect (not internally bonded) |
Key Features
| Feature | Design Value |
|---|---|
| Fixed-gain closed-loop architecture | Internal 500Ω resistor network sets precise +2V/V or −1V/V gain without external components, eliminating gain drift and layout sensitivity |
| Rail-to-rail output swing | Drives within 60mV of VCC/VEE into 2kΩ, preserving dynamic range in low-voltage 3.3V systems |
| Independent per-channel enable | Three dedicated ENx pins allow selective activation of amplifiers to reduce system-level power by >90% when idle channels are disabled |
| Low distortion at 5MHz | −72dBc SFDR and −71dB THD enable clean signal reproduction in CCD imaging and ADC front-end applications |
| Input protection diodes | Back-to-back Schottky clamps between IN+ and IN− prevent latch-up and damage during overvoltage transients up to ±0.3V beyond rails |
Applications
| Video Line Drivers | Analog-to-Digital Converter Interface |
|---|---|
Use Scenario: Driving 75Ω coaxial cables in broadcast video switchers with minimal gain mismatch across multiple channels. IC Role / Device Role / Timing Role: Triple-channel buffer providing matched +2V/V gain, low crosstalk (<−95dB), and simultaneous enable/disable for channel blanking. Use Value: Eliminates need for external gain-setting resistors and discrete enable logic, reducing BOM count and PCB area by >30% versus discrete op-amp solutions. | Use Scenario: Conditioning analog sensor outputs prior to sampling by high-speed ADCs in instrumentation systems. IC Role / Device Role / Timing Role: High-fidelity buffer isolating sensitive ADC inputs from source impedance variations while preserving signal integrity up to 230MHz. Use Value: Enables accurate DC-coupled acquisition of fast transients with <0.04° phase error-critical for time-of-flight and phase-sensitive measurements. |
| CCD Imaging Systems | Video Routing and Switching Systems |
Use Scenario: Amplifying and level-shifting CCD pixel output signals before digitization in medical endoscopes and industrial cameras. IC Role / Device Role / Timing Role: Low-noise (10nV/√Hz), low-distortion buffer operating from single 5V supply with rail-to-rail output swing to maximize SNR. Use Value: Delivers >72dB spurious-free dynamic range at 5MHz, supporting 12-bit+ effective resolution in high-frame-rate CCD readout. | Use Scenario: Implementing matrix switching in professional AV equipment where three independent video streams must be routed without crosstalk. IC Role / Device Role / Timing Role: Three-channel buffer with <−110dB typical crosstalk at 10MHz, enabling clean signal separation in multi-path routing architectures. Use Value: Maintains signal purity across all paths simultaneously-no inter-channel interference even during rapid switching transitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4219EEE | Same electrical specs; packaged in 16-pin QSOP instead of 14-pin SO | QSOP offers higher pin density but lower thermal dissipation (667mW vs. 667mW derated); less suitable for high-power video loads | Select MAX4219ESD for standard SO footprints and thermal robustness in video line drivers; choose MAX4219EEE only if board space constraints favor QSOP. |
| THS3203D | Single-channel, 1.8GHz bandwidth, no integrated gain resistors, requires external feedback network | Lacks built-in +2/−1 gain configuration and per-channel enable; not drop-in for multi-channel routing | Use THS3203D only when >1GHz bandwidth is required and design can accommodate external resistors and discrete enable circuitry. |
Compared with MAX4219EEE and THS3203D, the MAX4219ESD uniquely combines triple-channel integration, factory-trimmed gain, individual enable control, and SO-package thermal performance-making it optimal for space-constrained, multi-path video signal conditioning where consistency and power efficiency are critical.
Availability
MAX4219ESD is available at Aetrix Electronics and suitable for video routing and switching systems, CCD imaging systems, and analog-to-digital converter interface designs requiring stable component supply and long-term production continuity.
Supply support for MAX4219ESD 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 U.S.-based semiconductor company specializing in high-performance analog and mixed-signal ICs for precision, high-speed, and power-efficient applications.
The MAX4219ESD belongs to Maxim's high-speed rail-to-rail buffer family, designed specifically for broadcast video, instrumentation, and imaging systems demanding low distortion, tight gain matching, and flexible power management.
FAQ
What is the operating temperature range for the MAX4219ESD?
The MAX4219ESD is rated for operation from −40°C to +85°C, making it suitable for industrial and commercial environments including video equipment deployed in uncontrolled ambient conditions. This range is guaranteed across all electrical specifications in the datasheet, including bandwidth, distortion, and enable timing parameters.
Does the MAX4219ESD require external resistors to set gain?
No, the MAX4219ESD does not require external resistors to set gain. It integrates precision 500Ω internal resistors that configure each amplifier for a fixed closed-loop gain of +2V/V (noninverting) or −1V/V (inverting). This eliminates gain drift, layout sensitivity, and component count-key advantages over general-purpose op-amps like the OPA695.
Can the MAX4219ESD drive 75Ω video cables directly?
Yes, the MAX4219ESD can drive 75Ω video cables directly. Its ±120mA output current capability and rail-to-rail output swing allow it to deliver full NTSC/PAL signal levels into 75Ω loads without external buffering. Application circuits in the datasheet confirm proper termination using 75Ω series resistors at the output for back-termination.
What is the shutdown current consumption of the MAX4219ESD?
The MAX4219ESD draws 400µA per buffer in shutdown mode when the respective ENx pin is pulled to VEE. With all three channels disabled, total supply current drops to 1.2mA-enabling significant power savings in battery-powered or thermally constrained video systems where channels are intermittently active.
Is the MAX4219ESD pin-compatible with other devices in the MAX421x family?
No, the MAX4219ESD is not pin-compatible with other MAX421x variants. Its 14-pin SO package has unique pin assignments-including three separate enable inputs (ENA/ENB/ENC) and no connection on pins 13 and 14-distinguishing it from the 8-pin MAX4215 or 16-pin MAX4219EEE. Pin compatibility must be verified per device using official Maxim pinout diagrams.
MAX4219ESD 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:
- Buffer, Voltage Feedback
- Number of Circuits:
- 3
- 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 (x3 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
MAX4219ESD FAQ
1.How can I place an order for MAX4219ESD through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4219ESD 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 MAX4219ESD reliable?
The price and inventory of MAX4219ESD are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4219ESD is usually 5 days.
3.What payment methods are accepted for MAX4219ESD?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4219ESD transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4219ESD?
MAX4219ESD orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4219ESD 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 MAX4219ESD?
For technical support, including MAX4219ESD datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4219ESD requirements.
6.How does Aetrix verify that MAX4219ESD is sourced from the original manufacturer or authorized distributors?
All MAX4219ESD 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 MAX4219ESD meets industry standards.
7.What is the process for return or replacement of MAX4219ESD?
All MAX4219ESD units undergo pre-shipment inspection (PSI). If there is an issue with MAX4219ESD, 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 MAX4219ESD part is unused and in its original packaging.
Return procedure for MAX4219ESD:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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