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Analog Devices Inc./Maxim Integrated MAX4119ESD+
- Part No.:
- MAX4119ESD+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4119ESD+.pdf
- Description:
- IC OPAMP CFA 4 CIRCUIT 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:966
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Product details
Overview
The MAX4119ESD+ from Maxim Integrated is a quad-channel, low-power, current-feedback operational amplifier optimized for closed-loop gains ≥2V/V, delivering 270MHz -3dB bandwidth, 1200V/µs slew rate, and ±3.5V output swing into 100Ω - ideal for RGB video line driving and high-speed pulse amplification in broadcast and surveillance systems.
For engineers reviewing the MAX4119ESD+ datasheet, MAX4119ESD+ pinout, MAX4119ESD+ application, or MAX4119ESD+ equivalent, key selection criteria include gain flatness (115MHz at 0.1dB), differential gain/phase error (0.02%/0.03°), 80mA output drive, ±5V dual-supply operation, and SO-14 package compatibility with video signal integrity requirements.
Technical Context
The MAX4119ESD+ implements a current-feedback architecture with open-loop transimpedance (ZOL) of 250–500kΩ, enabling gain-bandwidth independence at low closed-loop gains. Its input stage features matched high-impedance noninverting inputs and low-impedance inverting inputs, requiring external feedback networks to set gain and stability.
It operates from ±4.5V to ±5.5V supplies, supports rail-to-rail output swing under load (±3.5V into 100Ω), and maintains 0.1dB gain flatness up to 115MHz - critical for composite video and HD RGB timing fidelity. Input bias currents are balanced (±3.5µA typical), and integrated voltage noise is 2.2nV/√Hz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 270MHz at AVCL ≥2V/V - enables full HD RGB signal amplification without attenuation in baseband video paths. |
| Slew Rate | 1200V/µs - supports fast transient response for pulse and sync signals in professional camera interfaces. |
| Output Swing | ±3.5V into 100Ω - drives standard 75Ω coaxial video lines with 150Ω termination while maintaining headroom. |
| Supply Current | 5mA per channel - quad configuration draws only 20mA total, suitable for thermally constrained video modules. |
| Differential Gain/Phase | 0.02% / 0.03° at RL = 150Ω - meets SMPTE 253M broadcast video accuracy requirements for color fidelity. |
| Input Voltage Noise | 2.2nV/√Hz - preserves SNR in low-level analog video buffering stages before ADC sampling. |
| 0.1dB Gain Flatness | 115MHz - ensures uniform amplitude response across NTSC/PAL/HD-SDI baseband spectra. |
Pinout & Package
MAX4119ESD+ is housed in a 14-pin SO (Small Outline) package (S14-1), with exposed pad not electrically connected. Pin layout follows industry-standard SO-14 footprint, compatible with automated PCB assembly and thermal relief design.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - drives first video channel (e.g., R or Y); requires local 1000pF + 0.01µF bypass to ground. |
| 2 | INA− | Inverting input A - connects to feedback network (RF); sensitive to parasitic capacitance; must be routed short and direct. |
| 3 | INA+ | Noninverting input A - high-impedance node; ties to video source or DC bias; avoid stubs or vias. |
| 4 | VCC | +5V supply - bypassed independently per amplifier section to minimize crosstalk between channels. |
| 5 | INB+ | Noninverting input B - second video channel input; isolated routing prevents coupling from adjacent INB− or OUTB. |
| 6 | INB− | Inverting input B - feedback return for channel B; matched trace length to INA− improves inter-channel matching. |
| 7 | OUTB | Amplifier B output - drives second video channel (e.g., G or Cb); shares VEE return path with other outputs. |
| 8 | N.C. | No connection - floating pin; must remain unconnected to avoid parasitic coupling or ESD path disruption. |
| 9 | OUTC | Amplifier C output - third video channel (e.g., B or Cr); layout symmetry with OUTA/OUTB reduces skew. |
| 10 | INC− | Inverting input C - tied to RF for channel C; same impedance target (≈49.9Ω) as other channels for gain consistency. |
| 11 | INC+ | Noninverting input C - referenced to common-mode voltage (0V or 2.5V); decoupled separately from VCC/VEE. |
| 12 | VEE | −5V supply - dedicated ground-return plane required; star-point connection recommended for quad-channel isolation. |
| 13 | IND+ | Noninverting input D - fourth channel input; routed orthogonally to minimize crosstalk with INB+/INC+. |
| 14 | IND− | Inverting input D - completes fourth feedback loop; matches RF/RC values used in other channels for uniform bandwidth. |
Key Features
| Feature | Design Value |
|---|---|
| Quad-channel CFB architecture | Enables simultaneous RGB + sync or Y/Cb/Cr amplification on single IC - reduces board area and inter-channel skew vs. discrete op-amps. |
| 270MHz small-signal bandwidth | Supports >1080p60 video pixel rates without phase distortion; sufficient for HDMI 1.4 TMDS clock recovery buffer applications. |
| 1200V/µs slew rate | Ensures <3ns settling to 0.1% for 2VP-P pulses - critical for digital video timing alignment and burst synchronization. |
| 0.02% differential gain error | Meets broadcast-grade color fidelity standards (SMPTE RP 168) without external calibration or trimming components. |
| 80mA output drive capability | Drives 75Ω coaxial cable with 150Ω source termination and 75Ω load - eliminates need for external buffer transistors in line-driver designs. |
| Low 2.2nV/√Hz input noise | Maintains >72dB SNR over 0–100MHz bandwidth - preserves dynamic range in high-gain video preamp stages. |
Applications
| Broadcast Video Line Driver | RGB Graphics Signal Amplifier |
|---|---|
Use Scenario: Driving composite video signals over 100m coaxial cable in studio switchers and distribution amplifiers. IC Role / Device Role / Timing Role: Quad-channel current-feedback amplifier configured as unity-gain follower with 75Ω source/load termination. Use Value: 0.02% differential gain and 0.03° phase error preserve color saturation and hue accuracy across NTSC/PAL frequency bands. | Use Scenario: Buffering parallel RGB signals from GPU or FPGA to LCD controller in medical imaging displays. IC Role / Device Role / Timing Role: High-speed, low-skew triple-channel driver with matched propagation delay (<100ps inter-channel). Use Value: 270MHz bandwidth and 1200V/µs slew rate prevent pixel smearing and edge ringing in 1920×1200@60Hz graphics pipelines. |
| High-Definition Surveillance Encoder | Ultrasound Analog Front-End |
Use Scenario: Amplifying analog HD-SDI signals from IP camera sensors before digitization in DVR/NVR systems. IC Role / Device Role / Timing Role: Quad op-amp providing three RGB channels plus sync signal conditioning with DC restoration. Use Value: 115MHz 0.1dB gain flatness ensures consistent luminance response across 3G-SDI spectrum (0–1.5GHz baseband equivalent). | Use Scenario: Conditioning echo return signals in portable ultrasound machines prior to 12-bit ADC sampling. IC Role / Device Role / Timing Role: Low-noise, wideband amplifier stage with 2.2nV/√Hz input noise and 270MHz bandwidth. Use Value: Preserves weak echo amplitudes (µV-level) while rejecting out-of-band RF interference up to 100MHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| THS3201DR | Single-channel, 1.8GHz bandwidth, 4500V/µs slew rate, ±15V supply capable - higher speed but 12mA/channel quiescent current. | Not quad; requires four devices for equivalent channel count - increases PCB area, power, and layout complexity. | Select THS3201DR only when >1GHz bandwidth or >±12V operation is mandatory; MAX4119ESD+ preferred for space/power-constrained quad video systems. |
| LMH6723MA/NOPB | Dual-channel, 320MHz bandwidth, 1600V/µs slew rate, 5.3mA/channel - slightly higher bandwidth but no quad variant available. | Requires two packages for four channels; differential gain error (0.03%) exceeds MAX4119ESD+'s 0.02% spec. | Choose LMH6723MA/NOPB for dual-channel designs needing margin above 270MHz; MAX4119ESD+ remains optimal for integrated quad video routing. |
Compared with THS3201DR and LMH6723MA/NOPB, the MAX4119ESD+ uniquely delivers quad integration, broadcast-grade video accuracy (0.02%/0.03°), and 5mA/channel efficiency in a single SO-14 package - reducing BOM count, layout risk, and thermal density in multi-channel analog video systems.
Availability
MAX4119ESD+ is available at Aetrix Electronics and suitable for broadcast video infrastructure, RGB graphics subsystems, and high-definition surveillance equipment requiring stable component supply and long-term industrial temperature support (−40°C to +85°C).
Supply support for MAX4119ESD+ 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 MAX4119ESD+ belongs to Maxim's high-speed current-feedback amplifier product line, engineered specifically for broadcast video, medical imaging, and test instrumentation where bandwidth, linearity, and multi-channel integration are critical.
FAQ
What is the operating supply voltage range for the MAX4119ESD+?
The MAX4119ESD+ operates from ±4.5V to ±5.5V dual supplies, with typical performance characterized at ±5V. It is not rated for single-supply operation. Exceeding ±5.5V risks permanent damage, and operation below ±4.5V degrades bandwidth and output swing. The MAX4119ESD+ requires separate, well-bypassed VCC (+5V) and VEE (−5V) rails - shared ground planes must maintain low impedance to prevent crosstalk between its four amplifier sections.
Does the MAX4119ESD+ support unity-gain stable operation?
The MAX4119ESD+ is optimized for closed-loop gains of 2V/V or greater and is not unity-gain stable. Attempting AVCL = +1 causes peaking and potential oscillation due to its current-feedback architecture and internal compensation. For unity-gain applications, use external feedback network tuning (e.g., adding a small capacitor across RF) or select an alternative voltage-feedback op-amp. The MAX4119ESD+ datasheet explicitly specifies minimum gain = 2V/V for guaranteed stability and specified AC performance.
How does the MAX4119ESD+ handle capacitive loads?
The MAX4119ESD+ is not designed to drive highly capacitive loads directly. Loads >10pF cause gain peaking and instability. To drive coaxial cables or ADC inputs, place a 5Ω–22Ω isolation resistor (RS) between the MAX4119ESD+ output and the capacitive load - this restores phase margin and suppresses ringing. Layout best practices (short traces, ground plane, local bypassing) are equally critical. Without RS, even 15pF loads degrade step response beyond acceptable video jitter limits.
What is the maximum output current capability of the MAX4119ESD+?
The MAX4119ESD+ delivers ±80mA continuous output current per channel into resistive loads, verified at ±3.5V swing into 100Ω. Short-circuit current is limited to protect the device, but sustained operation near 80mA requires adequate PCB copper area and thermal relief. Derating applies above +70°C ambient: SO-14 package dissipation drops by 8.33mW/°C. For 75Ω video line driving, the MAX4119ESD+ comfortably sources/sinks 46.7mA peak (2VP-P/75Ω), well within its 80mA rating.
Can the MAX4119ESD+ replace the MAX4120ESD+ in a design?
No - the MAX4119ESD+ and MAX4120ESD+ are not interchangeable. Both are quad CFB amplifiers in SO-14 packages, but MAX4120ESD+ is optimized for AVCL ≥8V/V (300MHz bandwidth, 1800V/µs slew rate), while MAX4119ESD+ targets AVCL ≥2V/V (270MHz, 1200V/µs). Their internal compensation differs; substituting one for the other risks instability or degraded bandwidth. Pinouts match, but gain configuration, feedback resistor values, and layout tuning must be redesigned for the intended closed-loop gain.
MAX4119ESD+ 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:
- Current Feedback
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 1200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 400 MHz
- Current - Input Bias:
- 3.5 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 5mA (x4 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MAX4119ESD+ FAQ
1.How can I place an order for MAX4119ESD+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4119ESD+ 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 MAX4119ESD+ reliable?
The price and inventory of MAX4119ESD+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4119ESD+ is usually 5 days.
3.What payment methods are accepted for MAX4119ESD+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4119ESD+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4119ESD+?
MAX4119ESD+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4119ESD+ 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 MAX4119ESD+?
For technical support, including MAX4119ESD+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4119ESD+ requirements.
6.How does Aetrix verify that MAX4119ESD+ is sourced from the original manufacturer or authorized distributors?
All MAX4119ESD+ 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 MAX4119ESD+ meets industry standards.
7.What is the process for return or replacement of MAX4119ESD+?
All MAX4119ESD+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4119ESD+, 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 MAX4119ESD+ part is unused and in its original packaging.
Return procedure for MAX4119ESD+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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