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Analog Devices Inc./Maxim Integrated MAX4267ESA
- Part No.:
- MAX4267ESA
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4267ESA.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,125
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Product details
Overview
MAX4267ESA from Maxim Integrated is a single-channel, ultra-low-distortion, voltage-feedback operational amplifier optimized for high-frequency signal conditioning with minimum stable gain of +5V/V. It delivers 300MHz -3dB bandwidth, 900V/µs slew rate, and -47dBc spurious-free dynamic range at 100MHz while driving a 100Ω load - making it suitable for high-speed ADC drivers in RF telecom infrastructure.
For engineers reviewing the MAX4267ESA datasheet, MAX4267ESA pinout, MAX4267ESA application, or MAX4267ESA equivalent, this op amp is selected for precision wideband analog signal paths requiring low THD, high output drive (±45mA), and fast enable/disable control (100ns/750µs) in space-constrained designs using the 8-pin µMAX package.
Technical Context
The MAX4267ESA uses proprietary bipolar process technology to achieve ultra-low distortion in single-supply operation (+4.5V to +8.0V), with input common-mode range extending from (VEE + 1.6V) to (VCC – 1.6V) and rail-to-rail output swing capability (within 1.1V of rails). Its decompensated internal architecture enables stable +5V/V minimum gain operation while preserving 300MHz bandwidth and 55MHz 0.1dB gain flatness.
It integrates an active-low disable function that reduces quiescent current to 1.6mA per amplifier and places outputs in high-impedance state, supporting power-gated signal chains. Input voltage noise density is 8nV/√Hz at 1kHz, and third-harmonic distortion remains below -61dBc at 100MHz under 1Vp-p output conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 300MHz - supports baseband-to-IF signal amplification up to UHF frequencies without gain roll-off |
| Slew Rate | 900V/µs - enables clean reproduction of fast transient signals such as DAC output steps or pulse edges |
| Spurious-Free Dynamic Range | -47dBc at 100MHz - ensures minimal harmonic contamination in wideband receiver front-ends |
| Input Voltage Noise Density | 8nV/√Hz at 1kHz - preserves SNR in low-level signal amplification stages before ADCs |
| Output Drive Capability | ±45mA into 100Ω - directly drives transmission lines, ADC inputs, or transformer-coupled loads |
| Disable Response Time | 100ns enable / 750µs disable - allows precise timing control in time-multiplexed or burst-mode systems |
| Supply Voltage Range | +4.5V to +8.0V single supply - compatible with standard 5V and 3.3V logic rails with headroom for signal swing |
Pinout & Package
The MAX4267ESA is housed in an 8-pin µMAX® package (pin-compatible with SO-8), measuring 3mm × 3mm with exposed thermal pad. This thermally enhanced surface-mount package supports high-power-density PCB layouts in RF and high-speed analog modules.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | DISABLE | Active-low digital control input; pulls outputs to high-Z when logic low, enabling power gating |
| 2 | IN– | Inverting input terminal; accepts differential or single-ended feedback configurations |
| 3 | IN+ | Noninverting input terminal; referenced to VEE + 1.6V to VCC – 1.6V common-mode range |
| 4 | VEE | Negative supply pin; tied to ground in single-supply operation |
| 5 | VCC | Positive supply pin; accepts +4.5V to +8.0V; requires local 1nF + 0.1µF bypassing |
| 6 | OUT | Amplifier output; delivers ±45mA into 100Ω and swings within 1.1V of supply rails |
| 7 | N.C. | No internal connection; left unconnected or grounded per layout best practices |
| 8 | N.C. | No internal connection; left unconnected or grounded per layout best practices |
Key Features
| Feature | Design Value |
|---|---|
| +5V/V Minimum Stable Gain | Enables high closed-loop gain configurations without external compensation, reducing component count in IF amplifiers |
| Ultra-Low Distortion at 100MHz | -47dBc SFDR and -61dBc third-harmonic distortion preserve spectral purity in wideband signal processing |
| High Output Drive into 100Ω | ±45mA sourcing/sinking capability eliminates need for external buffer stages when driving ADC inputs or 50Ω traces |
| Low-Power Disable Mode | Reduces supply current to 1.6mA per amplifier and isolates output, supporting dynamic power management in multi-channel systems |
| 8nV/√Hz Input Voltage Noise | Minimizes added noise floor in front-end amplification, critical for maintaining ENOB in 14–16-bit ADC applications |
Applications
| Base-Station IF Amplifier | High-Frequency ADC Driver |
|---|---|
Use Scenario: Amplifying intermediate frequency signals (e.g., 70MHz or 140MHz) in cellular BTS receive chains prior to digitization. IC Role / Device Role / Timing Role: High-linearity IF gain block operating at +5V supply with +5V/V fixed-gain configuration. Use Value: Maintains -47dBc SFDR at 100MHz while delivering full-scale 1Vp-p swing into 100Ω, ensuring accurate ADC sampling without harmonic folding. | Use Scenario: Buffering and driving the input of a 16-bit, 105MSPS ADC in software-defined radio receivers. IC Role / Device Role / Timing Role: Precision voltage follower or gain stage with fast settling (<15ns to 0.1%) and low THD. Use Value: 900V/µs slew rate and ±45mA drive eliminate droop and maintain linearity during ADC sample-and-hold transitions. |
| RF Telecom Signal Conditioning | High-Speed DAC Output Buffer |
Use Scenario: Post-filter amplification of digitally synthesized RF waveforms in point-to-point microwave transceivers. IC Role / Device Role / Timing Role: Wideband linear amplifier with 300MHz bandwidth and 55MHz 0.1dB gain flatness. Use Value: Preserves modulation fidelity (QAM-64/256) by limiting second-harmonic distortion to -69dBc at 100MHz under 1Vp-p output. | Use Scenario: Isolating and boosting the output of a high-speed DAC (e.g., AD9164) feeding a mixer or filter network. IC Role / Device Role / Timing Role: Low-noise, low-distortion output buffer operating from +5V supply with disable control. Use Value: Enables burst-mode transmission via DISABLE pin (100ns enable), reducing system power during idle periods without compromising DAC update integrity. |
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 |
|---|---|---|---|
| AD8009ARZ | Unity-gain stable; higher 1GHz bandwidth but lower SFDR (-38dBc at 100MHz); no disable function | Better for general-purpose high-speed buffering where gain ≥1V/V suffices and power gating is unnecessary | Select when unity-gain stability and maximum bandwidth outweigh SFDR and disable requirements |
| LMH6629MA/NOPB | Unity-gain stable; 1.5GHz bandwidth; 5.8nV/√Hz noise; no disable; requires dual supply for optimal distortion | Preferred for ultra-wideband test equipment front-ends where lowest noise and highest speed dominate | Choose when system design permits dual ±2.5V supplies and SFDR > -45dBc at 100MHz is not mandatory |
Compared with AD8009ARZ and LMH6629MA/NOPB, the MAX4267ESA trades raw bandwidth for superior distortion performance at 100MHz and integrated power management - making it uniquely suited for battery-aware or spectral-purity-critical RF signal chains requiring +5V/V gain.
Availability
MAX4267ESA is available at Aetrix Electronics and suitable for RF telecom infrastructure, high-speed data acquisition, and precision instrumentation requiring stable component supply across extended temperature ranges (-40°C to +85°C).
Supply support for MAX4267ESA 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 high-performance analog and mixed-signal ICs for demanding applications in communications, industrial, and automotive markets.
The MAX4265–MAX4270 product line targets ultra-low-distortion, wideband signal conditioning in single-supply RF and high-speed data converter interfaces - emphasizing SFDR, output drive, and power efficiency over raw bandwidth.
FAQ
What is the minimum stable gain configuration for the MAX4267ESA?
The MAX4267ESA is internally compensated for a minimum stable closed-loop gain of +5V/V. It is not unity-gain stable; attempting to operate at gains below +5V/V may cause instability or peaking in frequency response. For lower-gain applications, consider the MAX4265ESA (unity-gain stable) or MAX4266ESA (+2V/V minimum).
Does the MAX4267ESA support single-supply operation?
Yes, the MAX4267ESA operates from a single +4.5V to +8.0V supply. Its input common-mode range extends from (VEE + 1.6V) to (VCC – 1.6V), and its output swings within 1.1V of each rail - enabling true single-supply functionality in DC-coupled signal paths without level-shifting circuitry.
What is the typical SFDR performance of the MAX4267ESA at 100MHz?
The MAX4267ESA achieves -47dBc spurious-free dynamic range at 100MHz with 1Vp-p output into a 100Ω load. This value is measured under standard conditions (VCC = +5V, VEE = 0, TA = +25°C) and reflects its suitability for high-fidelity RF signal conditioning where harmonic suppression is critical.
How does the disable function affect output state on the MAX4267ESA?
When the DISABLE pin is pulled low, the MAX4267ESA reduces quiescent current to 1.6mA per amplifier and places the output in a high-impedance state - effectively disconnecting it from the load. This behavior prevents loading of downstream circuits during sleep or standby modes, and recovery to full operation occurs within 100ns after DISABLE is returned high.
Can the MAX4267ESA drive a 50Ω transmission line directly?
Yes - the MAX4267ESA delivers ±45mA into 100Ω and maintains low distortion, making it capable of driving 50Ω loads with appropriate gain-setting resistors. For back-terminated 50Ω lines, configure as a noninverting +5V/V amplifier with matched source termination; ensure proper PCB layout and local bypassing to preserve 300MHz bandwidth and stability.
MAX4267ESA 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:
- 900V/µs
- Gain Bandwidth Product:
- 1.5 GHz
- -3db Bandwidth:
- 300 MHz
- Current - Input Bias:
- 3.5 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 28mA
- Current - Output / Channel:
- 45 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 8 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4267ESA FAQ
1.How can I place an order for MAX4267ESA through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4267ESA 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 MAX4267ESA reliable?
The price and inventory of MAX4267ESA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4267ESA is usually 5 days.
3.What payment methods are accepted for MAX4267ESA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4267ESA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4267ESA?
MAX4267ESA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4267ESA 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 MAX4267ESA?
For technical support, including MAX4267ESA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4267ESA requirements.
6.How does Aetrix verify that MAX4267ESA is sourced from the original manufacturer or authorized distributors?
All MAX4267ESA 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 MAX4267ESA meets industry standards.
7.What is the process for return or replacement of MAX4267ESA?
All MAX4267ESA units undergo pre-shipment inspection (PSI). If there is an issue with MAX4267ESA, 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 MAX4267ESA part is unused and in its original packaging.
Return procedure for MAX4267ESA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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