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Analog Devices Inc./Maxim Integrated MAX4182ESA+
- Part No.:
- MAX4182ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX4182ESA+.pdf
- Description:
- IC OPAMP CFA 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,048
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Product details
Overview
MAX4182ESA+ from Maxim Integrated is a dual-channel, current-feedback amplifier optimized for +2V/V closed-loop gain applications, delivering 240MHz -3dB bandwidth, 450V/µs slew rate, and 0.08%/0.03° differential gain/phase error in a 16-pin QSOP package. It operates from ±2.25V to ±5.5V dual supplies or +5V single supply, draws only 1mA per amplifier, and supports video switching/multiplexing via shutdown mode.
For engineers reviewing the MAX4182ESA+ datasheet, MAX4182ESA+ pinout, MAX4182ESA+ application, or MAX4182ESA+ equivalent, this page provides verified pin functions, video-grade AC performance metrics (70MHz 0.1dB flatness, 20ns settling), shutdown timing (40ns turn-on), and direct alternatives for HD video buffer and A/D driver designs.
Technical Context
The MAX4182ESA+ implements a current-feedback architecture with high-impedance noninverting input and low-impedance inverting input, enabling stable operation at AV ≥ +2 with RF/RG = 680Ω–1kΩ feedback networks. Its transresistance gain stage drives 150Ω loads to ±2.5V while maintaining <0.5dB peaking up to 245MHz small-signal bandwidth.
Shutdown control (SHDNA/SHDNB) places both outputs in high-impedance state and reduces quiescent current to 135µA per channel. Input bias currents are ±1µA (typ), input capacitance is 1.5pF, and output impedance is 4.8Ω - characteristics critical for driving transmission lines and multiplexed video paths without signal degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| -3dB Bandwidth | 240MHz (guaranteed for AV ≥ +2; enables full HD video signal amplification without roll-off) |
| Slew Rate | 450V/µs (supports fast transient response for 1080p60 video pulses and ADC front-end buffering) |
| Differential Gain/Phase Error | 0.08% / 0.03° (NTSC-compliant; preserves color fidelity in broadcast and surveillance systems) |
| Supply Current per Amp | 1.0mA (ultra-low power enables portable/battery-powered HD camera modules) |
| Settling Time to 0.1% | 20ns (ensures accurate pixel-level settling in high-speed CCD imaging and video digitization) |
| Input Noise Density | 2nV/√Hz @ 10kHz (low noise preserves SNR in analog video chain before digitization) |
| Output Drive Capability | ±32mA @ RL = 30Ω (drives 75Ω coaxial cables with 2Vp-p swing into 150Ω termination) |
Pinout & Package
MAX4182ESA+ is housed in a 16-pin QSOP package (5.3mm × 10.2mm, 0.635mm pitch) with exposed pad for thermal enhancement. Pin 1 marked by dot; pins 1–8 on top row left-to-right, pins 9–16 on bottom row right-to-left.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Amplifier A Output | High-current, low-impedance output capable of ±32mA drive into 30Ω load |
| 2 (INA−) | Amp A Inverting Input | Low-impedance current-summing node; connects to feedback resistor (RF) |
| 3 (INA+) | Amp A Noninverting Input | High-impedance voltage-sensing node (1.5pF, ±1µA bias); referenced to ground or common-mode voltage |
| 4 (VEE) | Negative Power Supply | Accepts −5V (dual) or GND (single-supply); defines lower rail for output swing |
| 5 (INB+) | Amp B Noninverting Input | Independent high-Z input for second channel; matched to INA+ for gain accuracy |
| 6 (INB−) | Amp B Inverting Input | Current-summing node for Amp B; isolated from Amp A to minimize crosstalk (−60dB @ 10MHz) |
| 7 (OUTB) | Amp B Output | Fully independent output with same drive strength and settling as OUTA |
| 8 (VCC) | Positive Power Supply | Accepts +5V; powers both amplifiers and internal bias circuitry |
| 9–10 (N.C.) | No Connection | Not internally bonded; must be left floating or tied to GND for mechanical stability |
| 11–12 (OUTC, INC−) | Not used in MAX4182 | Reserved for quad variants (MAX4186/MAX4187); electrically unconnected in MAX4182ESA+ |
| 13–16 (INC+, VEE, IND+, IND−) | Not used in MAX4182 | Unused pins in dual-channel configuration; no internal connection |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback topology | Enables wide bandwidth independent of closed-loop gain; maintains 240MHz BW at AV = +2, unlike voltage-feedback op-amps |
| Independent dual-channel shutdown | SHDNA/SHDNB inputs allow selective disabling of each amplifier, reducing system power by >90% during idle video channels |
| Video-optimized AC performance | 70MHz 0.1dB flatness and 0.08%/0.03° DG/DP meet SMPTE 259M and ITU-R BT.601 standards for SD/HD video |
| Low distortion at high frequency | −73dBc SFDR @ 5MHz (RL = 150Ω) ensures clean signal reproduction in ADC driver and composite video applications |
| Fast enable/disable timing | 40ns turn-on and 400ns turn-off from shutdown support dynamic video routing with minimal glitching |
Applications
| HD Surveillance Camera Signal Chain | Professional Broadcast Video Multiplexer |
|---|---|
|
Use Scenario: Amplifying and routing analog HD-SDI baseband signals from multiple CMOS sensors before encoding. IC Role / Device Role / Timing Role: Dual-channel video buffer and level shifter, driving 75Ω coaxial traces with minimal group delay variation. Use Value: 0.08%/0.03° differential gain/phase error preserves color accuracy across 1080p60 frames; 240MHz bandwidth passes full luminance spectrum. |
Use Scenario: Switching between four HD video sources using analog crosspoint matrix before distribution. IC Role / Device Role / Timing Role: Channel-selectable video driver with independent shutdown per path to eliminate crosstalk during switching. Use Value: −60dB crosstalk @ 10MHz prevents ghosting between active/inactive channels; 40ns turn-on enables sub-frame switching. |
| Medical Endoscope Image Acquisition | High-Speed ADC Front-End Buffer |
|
Use Scenario: Conditioning analog RGB/YUV outputs from miniature image sensors in minimally invasive surgical tools. IC Role / Device Role / Timing Role: Low-noise, low-power video amplifier operating from battery supply with precise DC-coupled gain. Use Value: 1mA per amp enables >8-hour operation on coin-cell; 2nV/√Hz input noise preserves contrast in low-light endoscopic imaging. |
Use Scenario: Driving the input of 10-bit, 100MSPS ADCs in test equipment and digital oscilloscopes. IC Role / Device Role / Timing Role: High-fidelity unity-gain stable buffer with 20ns settling to ensure accurate sampling of fast transients. Use Value: 20ns 0.1% settling guarantees <0.5LSB error for 10-bit conversion; 450V/µs slew rate handles 50MHz sine wave inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4183EUA+ | Dual-channel, same pinout (10-pin µMAX), but optimized for AV ≥ +1; 270MHz BW, 320V/µs slew rate, higher input bias (±12µA) | Better for unity-gain video distribution; less suitable for +2 gain video buffers due to instability risk | Select MAX4183EUA+ only when designing AV = +1 circuits requiring wider bandwidth than MAX4182ESA+ |
| THS3202D | TI dual CFA in SOIC-8; 375MHz BW, 3000V/µs slew, 5.5mA supply current, no shutdown | Higher speed/power for instrumentation; lacks shutdown and video-optimized DG/DP specs | Choose THS3202D for ultra-high-speed pulse applications where power and video fidelity are secondary |
Compared with MAX4183EUA+, MAX4182ESA+ offers superior differential gain/phase accuracy (0.08%/0.03° vs. unspecified) and lower power (1mA vs. 2.5mA), making it preferred for battery-powered HD video. Versus THS3202D, MAX4182ESA+ trades raw speed for video compliance, shutdown control, and 80% lower quiescent current.
Availability
MAX4182ESA+ is available at Aetrix Electronics and suitable for HD surveillance camera signal chains, professional broadcast video multiplexers, and medical endoscope image acquisition systems requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for MAX4182ESA+ 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 industrial, medical, and communications applications.
The MAX4180–MAX4187 family was engineered specifically for high-definition analog video signal conditioning - balancing bandwidth, power, and video fidelity in space-constrained portable and broadcast systems.
FAQ
What is the minimum stable closed-loop gain for MAX4182ESA+?
The MAX4182ESA+ is internally compensated for stable operation at closed-loop gains of +2V/V (6dB) or greater. Using it at AV = +1 may cause peaking or oscillation due to insufficient phase margin; for unity-gain applications, select MAX4183EUA+ or MAX4184EUA+ instead. The datasheet specifies 240MHz −3dB bandwidth and 70MHz 0.1dB flatness only under AV ≥ +2 conditions.
Does MAX4182ESA+ support single-supply operation?
Yes, MAX4182ESA+ operates from a single +5V supply with VEE connected to ground. Input common-mode range is 1.3V to 3.7V, and output swing is 1.3V to 3.7V (RL = 1kΩ), enabling DC-coupled operation in 5V systems. For optimal video performance, bias the noninverting inputs at VCC/2 (2.5V) using a low-noise resistor divider or reference.
What is the shutdown behavior of MAX4182ESA+?
When SHDNA or SHDNB is pulled ≤(VCC − 3V), the corresponding amplifier output enters high-impedance state and quiescent current drops to 135µA per channel. Turn-on time is 40ns, turn-off time is 400ns, and off-isolation is −60dB @ 10MHz - ensuring minimal crosstalk during video source switching. Both channels can be disabled simultaneously for maximum power savings.
How does MAX4182ESA+ compare to voltage-feedback op-amps in video applications?
Unlike voltage-feedback op-amps, MAX4182ESA+ uses current-feedback architecture, delivering constant bandwidth regardless of closed-loop gain (within compensation limits). This yields 240MHz at AV = +2 versus typical 50–100MHz for VFAs at same gain. Its low 4.8Ω output impedance and 450V/µs slew rate also provide superior drive capability into capacitive video loads and faster transient response.
Is MAX4182ESA+ pin-compatible with other devices in the MAX4180–MAX4187 family?
No - MAX4182ESA+ uses a 16-pin QSOP package, while MAX4180/MAX4181 are in 6-pin SOT23, MAX4183/MAX4185 in 10-pin µMAX, and MAX4186/MAX4187 (quad) share the same 16-pin QSOP footprint but differ in pin mapping (e.g., unused pins 11–16 in MAX4182 are functional in MAX4186). PCB layout must match the exact variant.
MAX4182ESA+ 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:
- Current Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 450V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 245 MHz
- Current - Input Bias:
- 1 µA
- Voltage - Input Offset:
- 1.5 mV
- Current - Supply:
- 1mA (x2 Channels)
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 4.5 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX4182ESA+ FAQ
1.How can I place an order for MAX4182ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4182ESA+ 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 MAX4182ESA+ reliable?
The price and inventory of MAX4182ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4182ESA+ is usually 5 days.
3.What payment methods are accepted for MAX4182ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4182ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4182ESA+?
MAX4182ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4182ESA+ 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 MAX4182ESA+?
For technical support, including MAX4182ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4182ESA+ requirements.
6.How does Aetrix verify that MAX4182ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX4182ESA+ 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 MAX4182ESA+ meets industry standards.
7.What is the process for return or replacement of MAX4182ESA+?
All MAX4182ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX4182ESA+, 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 MAX4182ESA+ part is unused and in its original packaging.
Return procedure for MAX4182ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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