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Analog Devices Inc./Maxim Integrated MAX4109ESA+
- Part No.:
- MAX4109ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4109ESA+.pdf
- Description:
- IC OPAMP 225MHZ HS LO-DIST 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:24,620
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Product details
Overview
MAX4109ESA+ from Maxim Integrated is a high-speed, ultra-low-distortion voltage-feedback operational amplifier optimized for closed-loop gains ≥2V/V. It delivers 225MHz −3dB bandwidth, 1200V/µs slew rate, and −90dBc spurious-free dynamic range at 5MHz (2Vp-p, RL = 100Ω), enabling precision RF signal conditioning in ADC/DAC interfaces and video amplification.
For engineers reviewing the MAX4109ESA+ datasheet, MAX4109ESA+ pinout, MAX4109ESA+ application, or MAX4109ESA+ equivalent, key selection criteria include its minimum stable gain of +2V/V, SO-8 package compatibility with ±5V dual supplies, differential gain/phase performance (0.004%/0.008°), and output drive capability up to 90mA into reactive loads.
Technical Context
The MAX4109ESA+ employs a voltage-feedback architecture with internal compensation for minimum closed-loop gain of +2V/V, eliminating need for external compensation in standard noninverting configurations. Its design prioritizes wideband linearity over DC precision, evidenced by 100MHz 0.1dB gain flatness and integrated voltage noise of 225nVRMS (1MHz–100MHz).
It features rail-to-rail output swing (±2.7V to ±3.1V on ±5V supplies), short-circuit protection, and low input capacitance (2pF) - all critical for driving capacitive loads like ADC inputs or 75Ω/150Ω video lines without peaking or oscillation when paired with isolation resistors (e.g., 15Ω–22Ω).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 225MHz at AVCL = +2 - supports baseband video and IF signal processing up to UHF. |
| Slew Rate | 1200V/µs - enables clean 2Vp-p pulse response with <2ns rise/fall times. |
| SFDR | −90dBc at fC = 5MHz, RL = 100Ω - ensures minimal harmonic contamination in RF receiver chains. |
| Differential Gain/Phase | 0.004%/0.008° at 3.58MHz, RL = 150Ω - meets broadcast TV color fidelity requirements. |
| Output Drive | 90mA continuous - drives 50Ω transmission lines or parallel ADC inputs without gain compression. |
| Supply Range | ±4.5V to ±5.5V - compatible with standard ±5V analog signal chains and legacy video systems. |
| Input Voltage Noise | 8.5nV/√Hz at 10kHz - maintains SNR integrity in low-level preamplifier stages. |
Pinout & Package
MAX4109ESA+ is housed in an 8-pin SOIC (SO-8) package with exposed pad (SOICN), rated for −40°C to +85°C operation. Pin 1 is N.C.; pins 4 and 5 connect to VEE (−5V); pins 7 and 8 connect to VCC (+5V). The package complies with JEDEC MS-012 standards and supports standard reflow soldering profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | N.C. | No internal connection - must be left floating or tied to ground per layout best practices. |
| 2 | IN− | Inverting input - accepts feedback network for precise gain control in noninverting or inverting topologies. |
| 3 | IN+ | Noninverting input - high-impedance node (1.5MΩ common-mode resistance) for signal reference. |
| 4, 5 | VEE | Negative supply rail - dual 0.1µF ceramic decoupling required within 5mm for stability. |
| 6 | OUT | Amplifier output - capable of sourcing/sinking 90mA; requires series isolation resistor (15–22Ω) for >10pF capacitive loads. |
| 7, 8 | VCC | Positive supply rail - dual 0.1µF ceramic decoupling required within 5mm; shares thermal path with exposed pad. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low distortion | −90dBc SFDR at 5MHz enables high-fidelity RF/IF signal amplification without spectral regrowth. |
| High full-power bandwidth | 130MHz at 2Vp-p output - sustains linear operation across entire video baseband (0–6MHz) and beyond. |
| Video-grade linearity | 0.004%/0.008° differential gain/phase meets SMPTE 253M and ITU-R BT.601 broadcast standards. |
| Capacitive load drive | Stable with 15Ω isolation resistor into 15pF - eliminates ringing in ADC buffer and coaxial cable driver applications. |
| Output short-circuit protection | Continuous safe operation into ground - prevents latch-up during board-level fault conditions. |
Applications
| High-Speed ADC/DAC Preamp | RGB and Composite Video |
|---|---|
Use Scenario: Buffering analog signals before sampling in 12-bit, 100+ MSPS ADCs with switched-capacitor inputs. IC Role / Device Role / Timing Role: High-current, low-noise voltage follower providing fast settling (<12ns) and minimal charge kickback. Use Value: Maintains ENOB >10.5 bits by suppressing distortion-induced harmonics that alias into Nyquist band. |
Use Scenario: Driving 75Ω RGB or composite video lines in broadcast monitors and HD set-top boxes. IC Role / Device Role / Timing Role: Unity-gain or +2V/V line driver with DC-coupled output and precise gain/phase matching. Use Value: Preserves color fidelity (0.004% DG) and sync timing integrity across 0–6MHz video spectrum. |
| High-Performance Receivers | Ultrasound Imaging Front-End |
Use Scenario: IF amplification stage in SDR receivers operating at 70MHz–200MHz with 20MHz instantaneous bandwidth. IC Role / Device Role / Timing Role: Low-phase-noise, high-SFDR gain block preceding quadrature demodulation. Use Value: Delivers −90dBc SFDR at 20MHz offset, preventing adjacent-channel interference in dense RF environments. |
Use Scenario: Time-gain compensation (TGC) amplifier in portable ultrasound systems requiring wide dynamic range. IC Role / Device Role / Timing Role: Variable-gain, low-noise preamplifier with 225MHz bandwidth for 5–15MHz transducer signals. Use Value: Enables >120dB dynamic range imaging by minimizing second/third harmonic generation in echo chain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6629MA/NOPB | Higher 1.5GHz GBW but lower SFDR (−78dBc @ 5MHz); requires external compensation for AVCL = +2. | Better suited for DC-coupled instrumentation; less optimal for RF/video where distortion dominates. | Select LMH6629MA/NOPB only if gain-bandwidth product >1GHz is mandatory and SFDR >−85dBc is not required. |
| ADA4817-1ARZ-R7 | Lower 1GHz −3dB BW (1GHz vs. 225MHz), higher 11.5nV/√Hz input noise, but superior CMRR (110dB). | Preferred for precision DC-coupled sensor interfaces; lacks video-grade DG/DP specs. | Choose ADA4817-1ARZ-R7 for low-frequency, high-DC-accuracy applications - not for RF/video linearity-critical use. |
Compared with LMH6629MA/NOPB and ADA4817-1ARZ-R7, the MAX4109ESA+ uniquely balances 225MHz bandwidth, −90dBc SFDR, and 0.004% differential gain - making it the only option qualified for broadcast video and high-SFDR RF receiver front-ends without external distortion correction.
Availability
MAX4109ESA+ is available at Aetrix Electronics and suitable for high-speed data acquisition, broadcast video infrastructure, and medical ultrasound systems requiring stable component supply across extended production lifecycles.
Supply support for MAX4109ESA+ 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, communications, and medical applications.
The MAX4109ESA+ belongs to Maxim's ultra-high-speed op amp family engineered specifically for RF signal processing, video amplification, and high-fidelity data converter interfacing where distortion and bandwidth are co-critical.
FAQ
What is the minimum stable closed-loop gain for MAX4109ESA+?
The MAX4109ESA+ is internally compensated for minimum closed-loop gain of +2V/V. It is not unity-gain stable - using it in AVCL = +1 configuration may cause oscillation or excessive peaking. For unity-gain applications, select the MAX4108ESA+ instead. Always verify stability with actual PCB layout and load conditions.
Does MAX4109ESA+ support single-supply operation?
No, MAX4109ESA+ is specified only for dual-supply operation from ±4.5V to ±5.5V. Its input common-mode range is ±2.5V and output swing is asymmetric around ground (e.g., −3.1V to +2.9V on ±5V). Single-supply use violates absolute maximum ratings and will result in clipping or damage.
How should I drive a 50Ω coaxial cable with MAX4109ESA+?
Drive a 50Ω coaxial cable by placing a 15Ω–22Ω series isolation resistor at the MAX4109ESA+ output pin (Pin 6), followed by proper 50Ω back-termination at the load end. This prevents reflections and ringing caused by cable capacitance. Do not omit the isolation resistor - even with back-termination, direct drive risks instability above 100MHz.
What is the recommended decoupling for MAX4109ESA+?
Use two 0.1µF X7R ceramic capacitors: one between VCC (Pins 7/8) and ground, another between VEE (Pins 4/5) and ground. Place both within 5mm of their respective pins, using short, low-inductance traces. Add a 4.7µF tantalum capacitor near the SO-8 package for bulk low-frequency decoupling.
Is MAX4109ESA+ pin-compatible with other devices in the MAX4108/MAX4109 family?
Yes, MAX4109ESA+ shares identical SO-8 pinout and footprint with MAX4108ESA+, MAX4308ESA+, and MAX4309ESA+. All four devices have the same pin functions (N.C., IN−, IN+, VEE, OUT, VCC), allowing drop-in replacement in layouts - but gain stability, bandwidth, and distortion performance differ significantly between variants.
MAX4109ESA+ 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:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 1200V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- -
- Current - Input Bias:
- -
- Voltage - Input Offset:
- -
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- -
- Voltage - Supply Span (Max):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4109ESA+ FAQ
1.How can I place an order for MAX4109ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4109ESA+ 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 MAX4109ESA+ reliable?
The price and inventory of MAX4109ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4109ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4109ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4109ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4109ESA+?
MAX4109ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4109ESA+ 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 MAX4109ESA+?
For technical support, including MAX4109ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4109ESA+ requirements.
6.How does Aetrix verify that MAX4109ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4109ESA+ 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 MAX4109ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4109ESA+?
All MAX4109ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4109ESA+, 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 MAX4109ESA+ part is unused and in its original packaging.
Return procedure for MAX4109ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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