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Analog Devices Inc./Maxim Integrated MAX4351ESA+
- Part No.:
- MAX4351ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4351ESA+.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:212
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Product details
Overview
MAX4351ESA+ from Maxim Integrated is a dual, unity-gain-stable, rail-to-rail output operational amplifier optimized for high-speed video and instrumentation signal conditioning. It operates from ±5V dual supplies, delivers 210MHz -3dB bandwidth, 485V/µs slew rate, and achieves 0.02% differential gain / 0.08° differential phase error into 150Ω loads - making it suitable for NTSC-compliant video line driving and ADC interface buffering.
For engineers reviewing the MAX4351ESA+ datasheet, MAX4351ESA+ pinout, MAX4351ESA+ application, or MAX4351ESA+ equivalent, key selection criteria include its dual-channel SOT23-8 package, ±4.5V to ±5.5V supply range, rail-to-rail output swing (within 125mV of rails), low 6.9mA per amplifier quiescent current, and verified performance in 75Ω/150Ω video termination topologies.
Technical Context
The MAX4351ESA+ employs voltage-feedback architecture with current-feedback techniques to achieve high slew rate and wide bandwidth while maintaining unity-gain stability. Its input stage supports common-mode voltages from VEE to (VCC − 2.25V), and its output stage uses local feedback to maintain low open-loop output impedance (8Ω typical) across frequency.
It features matched amplifier channels with 1mV input offset voltage matching, 102dB channel-to-channel isolation at DC, and is optimized for AC-coupled configurations using 24Ω feedback resistors. The device is not intended for highly capacitive loads without series isolation resistors (e.g., ≥20Ω) to preserve phase margin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 210MHz small-signal - enables full HD video signal amplification up to ~1080i without attenuation |
| Slew Rate | 485V/µs - supports fast transient response for 2V-step signals with ≤16ns settling to 0.1% |
| Output Swing | Within 125mV of rails (RL = 2kΩ) - ensures >9.75Vpp dynamic range on ±5V supplies |
| Differential Gain/Phase | 0.02%/0.08° @ NTSC, RL = 150Ω - meets broadcast-grade video fidelity requirements |
| Supply Current | 6.9mA per amplifier - enables dual-channel operation at <14mA total for portable or thermally constrained designs |
| Input Common-Mode Range | VEE to (VCC − 2.25V) - allows ground-referenced inputs when VEE = 0V in single-supply mode |
| Harmonic Distortion | −63dB THD @ 5MHz, 2Vpp - preserves signal integrity in high-fidelity analog front-ends |
Pinout & Package
The MAX4351ESA+ is housed in an 8-pin SO (Small Outline) package with standard SOICN footprint (3.9mm × 4.9mm, 1.27mm pitch). Pin 1 is marked by a dot; leads are gull-wing, lead-free, and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Amplifier A Output | Low-impedance rail-to-rail output capable of sourcing/sinking ≥55mA into 50Ω loads |
| 2 (INA−) | Amplifier A Inverting Input | Differential input node; 1pF typical input capacitance; requires controlled-impedance routing |
| 3 (INA+) | Amplifier A Noninverting Input | High-impedance input with 3MΩ common-mode resistance; accepts VEE-referenced signals |
| 4 (VEE) | Negative Power Supply | Connect to −5V (or ground in single-supply); must be bypassed with 0.1µF ceramic capacitor |
| 5 (VCC) | Positive Power Supply | Connect to +5V; requires local 0.1µF ceramic bypass to minimize supply-induced distortion |
| 6 (INB+) | Amplifier B Noninverting Input | Matched to INA+; enables dual-channel synchronous signal processing |
| 7 (INB−) | Amplifier B Inverting Input | Matched to INA−; supports independent gain configuration per channel |
| 8 (OUTB) | Amplifier B Output | Fully independent output with 102dB channel isolation at DC; shares same drive capability as OUTA |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >9.75Vpp output on ±5V supplies with <125mV headroom - eliminates need for level-shifting in video driver stages |
| 210MHz bandwidth with unity-gain stability | Enables direct replacement of legacy video op amps without external compensation components |
| 0.02% differential gain error | Meets SMPTE/NTSC color fidelity requirements for surveillance and broadcast equipment |
| 102dB channel-to-channel isolation | Prevents crosstalk between dual channels in multi-path video routing or stereo instrumentation |
| Optimized for 75Ω/150Ω video loads | Validated with RO = RTO = 75Ω and RF = 24Ω feedback - simplifies design of line drivers and ADC buffers |
Applications
| Surveillance Video Systems | Video Line Drivers |
|---|---|
Use Scenario: Driving composite video signals over coaxial cable from camera modules to DVR encoders. IC Role / Device Role / Timing Role: Dual-channel buffer and line driver with matched gain/phase response across both channels. Use Value: Maintains NTSC color fidelity (0.02%/0.08°) and drives 75Ω loads without external termination components. |
Use Scenario: Amplifying and distributing baseband video signals in matrix switchers and distribution amplifiers. IC Role / Device Role / Timing Role: Unity-gain stable voltage follower with low output impedance for driving multiple parallel 75Ω loads. Use Value: 210MHz bandwidth and 485V/µs slew rate ensure minimal group delay and edge distortion in SD/HD video paths. |
| Analog-to-Digital Converter Interface | CCD Imaging Systems |
Use Scenario: Buffering high-frequency analog outputs from CCD or CMOS image sensors before ADC sampling. IC Role / Device Role / Timing Role: High-speed, low-distortion driver that conditions sensor output for 10–14-bit ADCs with minimal SNR degradation. Use Value: −63dB THD and −65dBc SFDR at 5MHz preserve dynamic range and spurious-free performance in imaging pipelines. |
Use Scenario: Signal conditioning of analog pixel data from linear or area CCD arrays in industrial inspection cameras. IC Role / Device Role / Timing Role: Low-noise, low-phase-error amplifier for correlated double sampling (CDS) and programmable gain stages. Use Value: Input common-mode range extending to VEE enables direct connection to CCD output clamps referenced to negative supply. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, dual-rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6702MA/NOPB | Single-channel, 1.8GHz GBW, higher supply current (12.5mA), no rail-to-rail output | Better for RF IF amplification; unsuitable for video line driving requiring rail-to-rail swing | Select only when >1GHz bandwidth is required and output swing beyond ±4.5V is acceptable |
| ADA4817-2ARZ | Dual-channel, 1GHz GBW, rail-to-rail output, but higher quiescent current (18mA per amp) and wider SOIC package | Higher power consumption limits use in thermally constrained portable video systems | Prefer when ultra-wide bandwidth (>500MHz) is critical and board space allows larger SOIC footprint |
Compared with LMH6702MA/NOPB and ADA4817-2ARZ, the MAX4351ESA+ offers the optimal balance of video-grade linearity (0.02%/0.08°), dual-channel integration in compact SO-8, and low 13.8mA total supply current - making it uniquely suited for cost-sensitive, space-constrained video signal routing where broadcast fidelity is mandatory.
Availability
MAX4351ESA+ is available at Aetrix Electronics and suitable for surveillance video systems, video line drivers, and analog-to-digital converter interface circuits requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX4351ESA+ 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, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4350/MAX4351 product line was designed specifically for high-fidelity, high-bandwidth video signal conditioning - targeting set-top boxes, surveillance systems, and imaging front-ends where differential gain/phase accuracy and rail-to-rail drive capability are essential.
FAQ
What supply voltage range does the MAX4351ESA+ support?
The MAX4351ESA+ operates from dual ±4.5V to ±5.5V supplies, with absolute maximum rating of ±6V. It is not rated for single-supply operation above 10V total, and VEE must remain ≤ VCC. Operation outside ±4.5V to ±5.5V degrades bandwidth, slew rate, and output swing specifications - all electrical characteristics in the datasheet are guaranteed only within this range for the MAX4351ESA+.
Does the MAX4351ESA+ require external compensation for unity-gain stability?
No, the MAX4351ESA+ is internally compensated for unity-gain stability. When used in unity-gain configuration, a 24Ω resistor in the feedback path (RF) is recommended to optimize AC performance and suppress peaking caused by parasitic capacitance. This value is validated in the MAX4351ESA+ typical operating circuit and is not optional for achieving specified 210MHz bandwidth and 0.1dB gain flatness.
Can the MAX4351ESA+ drive 75Ω coaxial cables directly?
Yes - the MAX4351ESA+ is characterized for 75Ω video line driving with RO = RTO = 75Ω and RF = 24Ω. Its 8Ω open-loop output impedance and 55mA sourcing capability allow direct back-termination into 75Ω loads. However, for lengths >1m or reactive loads, a 20–30Ω isolation resistor must be placed in series with the output to prevent ringing, as confirmed by Figure 2 and Figure 5 in the MAX4351ESA+ datasheet.
What is the input common-mode voltage range of the MAX4351ESA+?
The MAX4351ESA+ input common-mode voltage range extends from VEE to (VCC − 2.25V), enabling ground-sensing operation when VEE = 0V. At ±5V supplies, this yields −5V to +2.75V range. Operation beyond this range causes nonlinear output behavior but no phase reversal or latch-up. This specification is measured and guaranteed for the MAX4351ESA+, not extrapolated from family data.
How does the MAX4351ESA+ perform in differential gain and phase for NTSC video?
The MAX4351ESA+ delivers 0.02% differential gain error and 0.08° differential phase error under NTSC conditions with RL = 150Ω - measured and guaranteed per the datasheet's AC Electrical Characteristics table. These values are achieved without external tuning and meet broadcast-grade video fidelity standards required in professional surveillance and set-top box applications using the MAX4351ESA+.
MAX4351ESA+ 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:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 485V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 210 MHz
- Current - Input Bias:
- 7.5 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 6.9mA (x2 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:
- 8-SOIC
MAX4351ESA+ FAQ
1.How can I place an order for MAX4351ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4351ESA+ 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 MAX4351ESA+ reliable?
The price and inventory of MAX4351ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4351ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4351ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4351ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4351ESA+?
MAX4351ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4351ESA+ 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 MAX4351ESA+?
For technical support, including MAX4351ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4351ESA+ requirements.
6.How does Aetrix verify that MAX4351ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4351ESA+ 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 MAX4351ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4351ESA+?
All MAX4351ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4351ESA+, 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 MAX4351ESA+ part is unused and in its original packaging.
Return procedure for MAX4351ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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