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Analog Devices Inc./Maxim Integrated MAX4304ESA+
- Part No.:
- MAX4304ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4304ESA+.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:227
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Product details
Overview
MAX4304ESA+ from Maxim Integrated is a unity-gain-unstable, high-speed voltage-feedback op amp optimized for closed-loop gains ≥ +2V/V, delivering 730MHz −3dB bandwidth, 1000V/µs slew rate, and 2.1nV/√Hz input voltage noise density. It operates on ±3.5V to ±5.5V dual supplies, draws 27mA quiescent current, and drives ±70mA into loads - ideal for ADC input buffering and video line driving in space-constrained systems.
For engineers reviewing the MAX4304ESA+ datasheet, MAX4304ESA+ pinout, MAX4304ESA+ application, or MAX4304ESA+ equivalent, key selection criteria include gain-stability requirements (AVCL ≥ +2), bandwidth vs. load impedance trade-offs, output drive capability into 100Ω–150Ω video lines, and low-noise performance at 5MHz for SFDR-critical signal chains.
Technical Context
The MAX4304ESA+ uses a voltage-feedback architecture with internal compensation tailored for minimum stable gain of +2V/V, distinguishing it from the unity-gain-stable MAX4104. Its 730MHz bandwidth and 1000V/µs slew rate enable accurate reproduction of fast transient signals up to ~115MHz full-power bandwidth (at 2Vp-p).
It achieves −88dBc spurious-free dynamic range at 5MHz with 100Ω load and exhibits ultra-low differential gain/phase error (0.01%/0.01°) under NTSC conditions - confirming suitability for broadcast-grade video signal conditioning and high-fidelity analog front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 730MHz at AVCL = +2V/V - supports wideband signal amplification up to UHF frequencies without gain roll-off. |
| Slew Rate | 1000V/µs - enables clean 2Vp-p output transitions in ≤2ns, critical for fast-settling ADC drivers. |
| Input Voltage Noise | 2.1nV/√Hz at 1MHz - minimizes added noise in low-level signal paths such as sensor preamps or RF IF stages. |
| Output Drive | ±70mA into RL = 100Ω - sustains full swing into standard video termination loads without clipping or distortion. |
| Supply Range | ±3.5V to ±5.5V dual supply - compatible with legacy ±5V systems and modern low-voltage analog rails. |
| SFDR | −88dBc at fC = 5MHz, RL = 100Ω - ensures high spectral purity in telecom and instrumentation applications. |
| Differential Gain/Phase | 0.01% / 0.01° (NTSC, RL = 150Ω) - meets broadcast video fidelity requirements for color accuracy. |
Pinout & Package
MAX4304ESA+ is housed in a 5-pin SOT23-5 package with exposed pad (ES suffix denotes SOIC-8 variant; ESA+ confirms SOIC-8 package per ordering table). Pin 1 is VEE (negative supply), Pin 2 is IN−, Pin 3 is IN+, Pin 4 is OUT, Pin 5 is VCC (positive supply); no internal connection on Pin 6–8 in SO package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (VEE) | Negative power supply | Reference for biasing internal transistors; must be decoupled with 0.1µF ceramic capacitor near pin. |
| Pin 2 (IN−) | Inverting input | Feedback node for closed-loop configurations; requires matched layout to IN+ to minimize common-mode rejection degradation. |
| Pin 3 (IN+) | Noninverting input | High-impedance signal entry point; sensitive to PCB parasitics - keep trace short and guard with ground. |
| Pin 4 (OUT) | Amplifier output | Capable of ±70mA drive; back-termination with 75Ω recommended when driving coaxial video lines. |
| Pin 5 (VCC) | Positive power supply | Supplies active circuitry; requires independent 1nF + 0.1µF bypassing to ground plane for HF stability. |
Key Features
| Feature | Design Value |
|---|---|
| Gain-stable at AVCL ≥ +2V/V | Enables higher closed-loop bandwidth than unity-gain designs while avoiding instability in gain-of-two video buffers. |
| 730MHz −3dB bandwidth | Supports >100MHz 0.1dB gain flatness - preserves amplitude integrity across HDTV baseband spectrum. |
| −88dBc SFDR @ 5MHz | Reduces harmonic contamination in mixed-signal systems where ADC SNR is limited by analog front-end distortion. |
| 0.01% differential gain error | Preserves luminance-to-chrominance ratio in composite video, eliminating visible color shifts in NTSC/PAL systems. |
| ±70mA output drive | Drives 75Ω video cables directly without external buffer stages, reducing component count and board area. |
Applications
| Video ADC Preamp | Pulse/RF Telecom Applications |
|---|---|
Use Scenario: Conditioning analog signals prior to sampling by 12–16-bit, 100+ MSPS ADCs in radar receivers or software-defined radios. IC Role / Device Role / Timing Role: High-fidelity input buffer that rapidly charges ADC sample-and-hold capacitance while suppressing broadband noise. Use Value: 1000V/µs slew rate ensures <2ns settling to 0.1%, and 2.1nV/√Hz noise prevents degradation of effective number of bits (ENOB). |
Use Scenario: Amplifying intermediate-frequency pulses in 5G fronthaul or microwave test equipment with minimal group delay variation. IC Role / Device Role / Timing Role: Wideband gain block operating from DC to 730MHz, preserving pulse edge integrity and amplitude fidelity. Use Value: 730MHz bandwidth and −88dBc SFDR maintain EVM compliance in OFDM-based waveforms at 5MHz offset. |
| Video Buffers and Cable Drivers | Ultrasound Imaging Front-End |
Use Scenario: Driving 75Ω coaxial cables in broadcast monitors, medical displays, or CCTV systems with NTSC/PAL compliance. IC Role / Device Role / Timing Role: Line driver with precise gain control and minimal phase distortion across baseband video spectrum. Use Value: 0.01%/0.01° differential gain/phase error eliminates hue/saturation shift; ±70mA drive sustains 1Vp-p into double-terminated lines. |
Use Scenario: Low-noise amplification of weak echo signals (1–15MHz) from piezoelectric transducers in portable ultrasound machines. IC Role / Device Role / Timing Role: First-stage receiver amplifier with high gain-bandwidth product and minimal added noise floor. Use Value: 2.1nV/√Hz input noise density preserves weak signal detectability; 730MHz bandwidth accommodates harmonics up to 15MHz fundamental. |
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 |
|---|---|---|---|
| LMH6702MA/NOPB | Unity-gain stable, 1.8GHz GBW, 3100V/µs slew rate, higher supply current (12.5mA per amp), SOIC-8 package. | Better suited for variable-gain or unity-gain configurations; less optimal for fixed +2V/V video buffers due to lower SFDR (−72dBc @ 5MHz). | Select LMH6702MA/NOPB when unity-gain operation or wider bandwidth is required; verify layout for stability with capacitive loads. |
| ADA4817-1ARZ | FET-input, 1GHz GBW, 225V/µs slew rate, lower input bias current (2pA), 3.3–10V single/dual supply. | Superior DC precision and input impedance but lower slew rate limits large-signal fidelity; not optimized for 75Ω video drive. | Choose ADA4817-1ARZ for high-Z sensor interfaces or precision low-noise applications where slew rate <1000V/µs is acceptable. |
Compared with LMH6702MA/NOPB and ADA4817-1ARZ, MAX4304ESA+ delivers superior combination of gain-stability at +2V/V, −88dBc SFDR, and ±70mA drive into 100Ω - making it uniquely fit for broadcast video line drivers and high-speed ADC buffers where both speed and spectral purity are simultaneously critical.
Availability
MAX4304ESA+ is available at Aetrix Electronics and suitable for video line driving, high-speed ADC buffering, and RF pulse amplification requiring stable component supply across industrial, medical imaging, and telecom infrastructure programs.
Supply support for MAX4304ESA+ 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 high-speed ICs for demanding performance applications in communications, computing, and industrial systems.
The MAX4304ESA+ belongs to Maxim's high-speed op amp family targeting low-noise, low-distortion signal conditioning - specifically engineered for video, telecom, and data acquisition systems needing bandwidth, drive strength, and fidelity in compact SOIC-8 form factor.
FAQ
What is the minimum stable gain for MAX4304ESA+?
The MAX4304ESA+ is internally compensated for minimum stable closed-loop gain of +2V/V. It is not unity-gain stable; using it at AVCL = +1 may cause oscillation or peaking. For unity-gain applications, the MAX4104ESA+ is the appropriate variant in the same family. Always verify stability with actual PCB layout and load conditions.
Does MAX4304ESA+ support single-supply operation?
No, MAX4304ESA+ is specified only for dual-supply operation from ±3.5V to ±5.5V. It lacks rail-to-rail input/output capability and requires symmetric or asymmetric dual rails - for example, +5V/−3.5V - with proper decoupling on both VCC and VEE pins. Single-supply use is not characterized or guaranteed.
What is the maximum capacitive load MAX4304ESA+ can drive without oscillation?
The MAX4304ESA+ can drive up to 10pF of capacitive load without oscillation when properly bypassed and laid out. For larger loads (e.g., >15pF), an isolation resistor (RISO) of 10–20Ω placed in series with the output is required to maintain phase margin - refer to Figure 5 in the datasheet for RISO vs. CL optimization curves.
How does MAX4304ESA+ compare to MAX4104ESA+ in video applications?
MAX4304ESA+ offers higher bandwidth (730MHz vs. 625MHz) and slew rate (1000V/µs vs. 400V/µs) than MAX4104ESA+, but requires minimum gain of +2V/V. In video line drivers where fixed gain-of-two is acceptable, MAX4304ESA+ provides better high-frequency flatness and lower distortion - especially critical for HD/SDI signal integrity and NTSC differential error performance.
Is thermal performance documented for MAX4304ESA+ in SOIC-8 package?
Yes - the SOIC-8 package (ESA) has a junction-to-ambient thermal resistance (θJA) of 110°C/W. At maximum quiescent supply current (27mA) and ±5V supplies (10V total), power dissipation is ~270mW, resulting in ~30°C junction rise above ambient at TA = +25°C. Derating begins above +70°C ambient per the 5.9mW/°C specification.
MAX4304ESA+ 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:
- 1
- Output Type:
- -
- Slew Rate:
- 1000V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 740 MHz
- Current - Input Bias:
- 32 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 20mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 7 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4304ESA+ FAQ
1.How can I place an order for MAX4304ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4304ESA+ 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 MAX4304ESA+ reliable?
The price and inventory of MAX4304ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4304ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4304ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4304ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4304ESA+?
MAX4304ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4304ESA+ 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 MAX4304ESA+?
For technical support, including MAX4304ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4304ESA+ requirements.
6.How does Aetrix verify that MAX4304ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4304ESA+ 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 MAX4304ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4304ESA+?
All MAX4304ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4304ESA+, 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 MAX4304ESA+ part is unused and in its original packaging.
Return procedure for MAX4304ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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