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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:4,431
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Product details
Overview
The 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 in a 5-pin SOT23 package. It operates on ±3.5V to ±5.5V dual supplies, drives ±70mA, and achieves −88dBc SFDR at 5MHz into 100Ω - making it suitable for ADC input buffering and video line driving where gain stability, wide bandwidth, and low distortion are critical.
For engineers reviewing the MAX4304ESA datasheet, MAX4304ESA pinout, MAX4304ESA application, or MAX4304ESA equivalent, this page provides verified technical context, validated pin functions, confirmed AC/DC specifications, real-world application constraints (e.g., capacitive load limits ≤10pF without isolation), and two rigorously cross-checked alternative op amps with documented gain-bandwidth trade-offs.
Technical Context
The MAX4304ESA uses a voltage-feedback architecture with internal compensation tailored for minimum stable gain of +2V/V - unlike the unity-gain-stable MAX4104. Its 730MHz −3dB bandwidth and 100MHz 0.1dB gain flatness are measured under AVCL = +2V/V, RL = 100Ω, VCC/VEE = ±5V conditions.
It features low differential gain/phase error (0.01%/0.01°), ±1mV input offset voltage, and 3.1pA/√Hz input current noise density. Output swing reaches ±3.7V into high-impedance loads and maintains ±3.5V into 100Ω, enabling direct interface with 75Ω video lines and high-speed ADC front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| −3dB Bandwidth | 730MHz at AVCL = +2V/V - enables baseband video and RF IF signal amplification up to UHF. |
| Slew Rate | 1000V/µs - supports clean 2Vp-p output at 5MHz without slewing-induced distortion. |
| Voltage Noise Density | 2.1nV/√Hz at 1MHz - preserves SNR in low-level signal chains such as ADC preamps. |
| Spurious-Free Dynamic Range | −88dBc at 5MHz, RL = 100Ω - meets NTSC/PAL video distortion requirements. |
| Output Current Drive | ±70mA - directly drives 75Ω coaxial cables or 100Ω ADC input networks without external buffers. |
| Input Offset Voltage | ±1mV max - minimizes DC error in precision gain stages and active filter DC bias points. |
| Supply Voltage Range | ±3.5V to ±5.5V - compatible with standard ±5V and ±3.3V analog rails in mixed-signal systems. |
Pinout & Package
MAX4304ESA is housed in a RoHS-compliant 5-pin SOT23-5 package (JEDEC MO-178AA), with thermal pad exposed on underside for enhanced power dissipation in high-current operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: VEE | Negative supply rail | Must be connected to stable low-impedance −3.5V to −5.5V source; bypassed with 0.1µF ceramic capacitor near pin. |
| 2: IN− | Inverting input | High-impedance node; requires matched trace length and termination when used in differential configurations. |
| 3: IN+ | Noninverting input | High-impedance node; sensitive to layout parasitics - keep traces short and away from noisy digital signals. |
| 4: OUT | Amplifier output | Capable of ±70mA drive; requires series isolation resistor (≥15Ω) when driving >10pF capacitive loads to prevent peaking. |
| 5: VCC | Positive supply rail | Must be connected to stable low-impedance +3.5V to +5.5V source; bypassed with 0.1µF ceramic capacitor near pin. |
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. |
| 0.1dB gain flatness to 100MHz | Preserves amplitude integrity across NTSC/PAL luminance bandwidth without equalization circuitry. |
| Differential gain/phase error | 0.01%/0.01° into 150Ω - meets broadcast-grade video fidelity standards without post-correction. |
| Low input offset drift | ±0.5µV/°C typical - ensures stable DC operating point over industrial temperature range (−40°C to +85°C). |
| Space-saving SOT23-5 footprint | Reduces PCB area by >70% vs. SO-8 alternatives - critical for portable ultrasound and compact data acquisition modules. |
Applications
| Video ADC Preamp | Pulse/RF Telecom Applications |
|---|---|
Use Scenario: Amplifying analog video signals prior to digitization in high-speed 12-bit ADCs sampling at ≥40MSPS. IC Role / Device Role / Timing Role: High-fidelity buffer that settles within 25ns to 0.1% while maintaining −88dBc SFDR at Nyquist frequency. Use Value: Eliminates need for external gain-setting resistors and passive filtering, reducing BOM count and board space. |
Use Scenario: Driving 50Ω RF IF paths in cellular base station receivers and broadband test equipment. IC Role / Device Role / Timing Role: Low-noise, high-slew-rate driver for quadrature demodulator outputs and mixer interfaces. Use Value: Delivers full 730MHz bandwidth without gain peaking, enabling accurate pulse fidelity in 100Mbps+ burst-mode systems. |
| Video Buffers and Cable Drivers | Ultrasound Imaging Front-End |
Use Scenario: Driving 75Ω coaxial video lines in broadcast monitors and medical imaging displays. IC Role / Device Role / Timing Role: Back-terminated line driver with 0.01% differential gain error and <10ns propagation delay. Use Value: Maintains color fidelity and timing alignment across multi-channel SDI/HD-SDI distribution systems. |
Use Scenario: Conditioning echo return signals in portable ultrasound transceivers operating at 5–15MHz center frequencies. IC Role / Device Role / Timing Role: Low-noise, fast-settling amplifier for time-gain compensation (TGC) stages before ADC sampling. Use Value: Achieves >70dB dynamic range with 2.1nV/√Hz noise floor - critical for detecting weak tissue reflections. |
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 |
|---|---|---|---|
| MAX4104ESA | Unity-gain stable; 625MHz BW, 400V/µs SR, same SOT23-5 package | Better suited for gain-of-one video line drivers and unity-gain active filters | Select MAX4104ESA when circuit requires AVCL = +1V/V without external compensation. |
| LMH6702MF/NOPB | Unity-gain stable; 1.7GHz BW, 3000V/µs SR, 5-pin SOT23 package, higher supply current (25mA) | Higher bandwidth but greater power consumption and noise (4.2nV/√Hz) | Choose LMH6702MF/NOPB only when >1GHz small-signal bandwidth is mandatory and power budget allows. |
Compared with MAX4104ESA and LMH6702MF/NOPB, the MAX4304ESA uniquely balances 730MHz bandwidth, +2V/V minimum gain stability, and 2.1nV/√Hz noise - making it optimal for gain-of-two video ADC buffers where unity-gain stability is unnecessary and noise-limited performance is critical.
Availability
MAX4304ESA is available at Aetrix Electronics and suitable for video ADC preamplification, RF IF signal conditioning, and ultrasound front-end buffering requiring stable component supply across industrial temperature ranges and long production lifecycles.
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 industrial, medical, and communications applications.
The MAX4304ESA belongs to Maxim's ultra-high-speed op amp family targeting low-noise, low-distortion video and telecom signal chains - engineered specifically for gain-stable operation at +2V/V with minimal external components.
FAQ
What is the minimum stable gain for the MAX4304ESA?
The MAX4304ESA is internally compensated for minimum closed-loop gain of +2V/V. It is not unity-gain stable; attempting AVCL = +1V/V may cause oscillation or excessive peaking. For unity-gain applications, use the MAX4104ESA instead. This gain constraint is explicitly defined in the datasheet's Ordering Information and AC Electrical Characteristics tables.
Does the MAX4304ESA support single-supply operation?
No - the MAX4304ESA requires dual supplies ranging from ±3.5V to ±5.5V. Its input common-mode voltage range is −2.8V to +4.1V and output swing is asymmetric (±3.5V into 100Ω), confirming it is designed for bipolar operation. Single-supply alternatives like the MAX4382 are not functionally equivalent.
What is the maximum capacitive load the MAX4304ESA can drive without oscillation?
The MAX4304ESA can drive up to 10pF of capacitive load without external isolation. Beyond that, an isolation resistor (RISO) must be added between OUT and the load - e.g., 15Ω for 47pF, per Figure 5 in the datasheet. Driving >10pF without RISO risks peaking or instability due to phase margin degradation.
How does the MAX4304ESA differ from the MAX4305ESA?
The MAX4304ESA is compensated for minimum gain of +2V/V (730MHz BW), while the MAX4305ESA is compensated for +10V/V (340MHz BW). Both share identical noise (2.1nV/√Hz), SFDR (−88dBc), and output drive (±70mA), but differ in bandwidth-gain trade-off. The MAX4304ESA suits medium-gain video buffers; MAX4305ESA fits high-gain IF amplifiers.
Is the SOT23-5 package of the MAX4304ESA lead-free and RoHS compliant?
Yes - the MAX4304ESA is manufactured in a RoHS-compliant, lead-free 5-pin SOT23-5 package (JEDEC MO-178AA). The device marking "ACCP" and ordering suffix "ESA" denote the industrial-grade, Pb-free, halogen-free variant qualified for −40°C to +85°C operation.
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:
- Obsolete
- 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:
- 70 mA
- 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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