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Analog Devices Inc./Maxim Integrated MAX4412EXK-T
- Part No.:
- MAX4412EXK-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX4412EXK-T.pdf
- Description:
- IC OPAMP VFB 1 CIRCUIT SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:4,305
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Product details
Overview
The MAX4412EXK-T from Maxim Integrated is a single-channel, unity-gain-stable, rail-to-rail output operational amplifier optimized for low-power, high-speed portable applications. It operates from a single +2.7V to +5.5V supply, delivers 500MHz -3dB bandwidth and 140V/µs slew rate, consumes only 1.7mA supply current per amplifier, and features an input common-mode range extending 100mV below ground - making it suitable for video line driving in battery-powered handheld devices.
For engineers reviewing the MAX4412EXK-T datasheet, MAX4412EXK-T pinout, MAX4412EXK-T application, or MAX4412EXK-T equivalent, key selection criteria include its ultra-small SC70-5 package, guaranteed rail-to-rail output swing (within 105mV of rails at 1kΩ), low differential gain/phase error (0.01%/0.03°), and stable unity-gain operation without external compensation.
Technical Context
The MAX4412EXK-T employs a bipolar voltage-feedback architecture with internal unity-gain compensation, enabling stable operation without external phase compensation networks. Its output stage uses demand-driven current biasing and internal feedback to maintain low open-loop output impedance (<0.7Ω at 1MHz) across frequency, reducing sensitivity to load variations.
It supports ground-sensing inputs (common-mode range from VEE − 0.1V to VCC − 1.5V) and rail-to-rail outputs, delivering full dynamic range in single-supply systems. Stability with capacitive loads requires an isolation resistor (e.g., 22Ω for ≤15pF), as the device is optimized for AC performance-not highly reactive loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +2.7V to +5.5V - enables direct interface with Li-ion battery and 3.3V/5V logic systems without level shifting. |
| Small-Signal Bandwidth | 500MHz -3dB - supports high-fidelity video signal amplification up to NTSC/PAL baseband frequencies with margin. |
| Slew Rate | 140V/µs - ensures faithful reproduction of fast transient video edges and RF envelope signals without distortion. |
| Supply Current | 1.7mA per amplifier - allows integration into power-constrained portable instruments without thermal derating. |
| Differential Gain/Phase Error | 0.01% / 0.03° - meets broadcast-grade video line driver requirements for minimal color fidelity loss. |
| Input Common-Mode Range | VEE − 0.1V to VCC − 1.5V - permits direct sensing of near-ground signals in single-supply configurations. |
| Output Voltage Swing | Within 105mV of either rail (RL = 1kΩ) - maximizes usable signal swing in 3.3V/5V systems, enabling >4.6Vp-p output. |
Pinout & Package
The MAX4412EXK-T is housed in a 5-pin SC70 package (package code X5-1), measuring 2.0mm × 1.25mm × 0.95mm, with moisture sensitivity level (MSL) 1 and lead-free (Pb-free) construction.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | Amplifier output terminal; rail-to-rail capable, drives 1kΩ load to within 105mV of VCC or VEE. |
| 2 | VEE | Negative supply pin (typically ground); reference for input common-mode and output swing. |
| 3 | IN+ | Noninverting input; accepts signals down to VEE − 0.1V, enabling true ground-referenced sensing. |
| 4 | IN− | Inverting input; matched to IN+ for precision closed-loop gain accuracy and CMRR >60dB. |
| 5 | VCC | Positive supply pin; bypassing with 0.1µF capacitor near this pin is mandatory for high-frequency stability. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail output swing | Delivers >95% of full supply voltage swing at 1kΩ load, preserving dynamic range in low-voltage systems. |
| Unity-gain stability | Internally compensated - eliminates need for external compensation components in gain ≥1 configurations. |
| Ultra-low distortion at 5MHz | −93dBc SFDR and 0.003% THD enable clean signal conditioning in ADC front-ends and video paths. |
| Capacitive load drive support | Stable with ≤120pF load when used with recommended isolation resistor (e.g., 22Ω), simplifying coaxial cable driving. |
| Low input offset voltage drift | 3µV/°C TCVOS ensures minimal gain error shift over industrial temperature range (−40°C to +85°C). |
Applications
| Video Line Driver | ADC Input Buffer |
|---|---|
Use Scenario: Driving 75Ω coaxial video lines in portable media players and security cameras. IC Role / Device Role / Timing Role: High-speed voltage buffer with minimal differential gain/phase error to preserve color fidelity. Use Value: 0.01%/0.03° error ensures NTSC/PAL compliance; 500MHz bandwidth accommodates HD baseband harmonics. |
Use Scenario: Conditioning analog signals before sampling by 10–12-bit, 10–50MSPS ADCs in portable test equipment. IC Role / Device Role / Timing Role: Low-output-impedance, fast-settling buffer that rapidly charges ADC input capacitance. Use Value: 140V/µs slew rate and 100ns 0.1% settling time prevent acquisition errors during high-speed conversion cycles. |
| Portable Communications | Battery-Powered Instruments |
Use Scenario: IF/RF signal amplification and filtering in Bluetooth/WiFi transceivers and cellular front-ends. IC Role / Device Role / Timing Role: High-linearity gain block in active bandpass filters and automatic gain control (AGC) loops. Use Value: −95dBc 3rd-harmonic distortion and −67dBc IP3 minimize spectral regrowth in narrowband comms channels. |
Use Scenario: Signal conditioning in handheld oscilloscopes, multimeters, and sensor data loggers. IC Role / Device Role / Timing Role: Precision, low-power amplifier for sensor excitation, bridge measurement, and analog front-end gain stages. Use Value: 1.7mA quiescent current extends battery life; rail-to-rail I/O enables full-scale use of 12-bit ADC reference range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX4412EUK-T | Identical electrical specs but packaged in 5-pin SOT23 (U5-2); 0.5mm larger footprint than SC70. | Preferred where board assembly uses standard SOT23 pick-and-place tooling or higher thermal dissipation (571mW vs. 247mW) is required. | Select MAX4412EUK-T when SC70 handling constraints or thermal limits preclude MAX4412EXK-T. |
| ADA4891-1ARJZ-R7 | Lower bandwidth (220MHz), higher supply current (6.5mA), same SC70-5 package; rail-to-rail I/O, but no specified differential gain/phase data. | Acceptable for general-purpose high-speed buffering where video fidelity is not critical and higher power budget exists. | Choose ADA4891-1ARJZ-R7 only if MAX4412EXK-T's 500MHz bandwidth and 0.01% video linearity are unnecessary. |
Compared with MAX4412EUK-T, the MAX4412EXK-T offers identical performance in a smaller SC70 footprint and lower thermal rating-ideal for space-constrained portable designs. Against ADA4891-1ARJZ-R7, it delivers 2.3× higher bandwidth and 3.8× lower supply current, making it superior for battery-powered video and communications signal chains.
Availability
The MAX4412EXK-T is available at Aetrix Electronics and suitable for video line drivers, portable communications interfaces, and battery-powered instrumentation requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MAX4412EXK-T 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, communications, and consumer applications.
The MAX4412EXK-T belongs to Maxim's high-speed, low-power op amp product line, designed specifically for portable video, communications, and instrumentation systems demanding rail-to-rail operation, ultra-small packaging, and exceptional AC performance.
FAQ
What is the operating temperature range of the MAX4412EXK-T?
The MAX4412EXK-T is rated for operation from −40°C to +85°C, meeting industrial temperature requirements. This range is validated across all key parameters including supply current, input offset voltage, and bandwidth - ensuring reliable performance in battery-powered handheld devices exposed to ambient environmental variation. The MAX4412EXK-T maintains 500MHz bandwidth and 140V/µs slew rate across this full range.
Does the MAX4412EXK-T require external compensation for unity-gain operation?
No, the MAX4412EXK-T is internally compensated for unity-gain stability and does not require external compensation components. It achieves stable operation with closed-loop gains ≥1 using only the recommended 24Ω feedback resistor in unity-gain configurations. This eliminates layout complexity and parasitic sensitivity associated with external compensation networks - a key advantage confirmed in the MAX4412EXK-T datasheet Figure 3a and Applications Information section.
Can the MAX4412EXK-T drive a 75Ω video load directly?
Yes, the MAX4412EXK-T can drive a 75Ω video load directly when configured as a voltage follower or gain-of-two line driver, provided an isolation resistor (e.g., 22Ω) is placed in series with the output to ensure stability with cable capacitance. Its 140V/µs slew rate, 0.01%/0.03° differential gain/phase error, and rail-to-rail output swing make the MAX4412EXK-T compliant with NTSC/PAL video line driver specifications.
What is the maximum capacitive load the MAX4412EXK-T can drive without oscillation?
The MAX4412EXK-T is characterized to drive up to 120pF without sustained oscillations when properly decoupled and used with an appropriate isolation resistor. For loads exceeding ~15pF, a series isolation resistor (e.g., 22Ω) is mandatory to maintain phase margin - as shown in MAX4412EXK-T Typical Operating Characteristic Figure 2 (RISO vs. CLOAD). Driving coaxial cables or PCB traces without isolation risks peaking and ringing due to reduced phase margin.
Is the MAX4412EXK-T pin-compatible with other op amps in the MAX4412/MAX4413 family?
The MAX4412EXK-T shares identical pinout (SC70-5) with the MAX4412EUK-T (SOT23-5), but is not pin-compatible with dual-channel MAX4413 variants (8-pin SOT23). All MAX4412 variants - including MAX4412EXK-T - use the same 5-pin configuration: OUT, VEE, IN+, IN−, VCC. This consistent pin mapping simplifies design reuse across SC70 and SOT23 package options for the same single-channel function.
MAX4412EXK-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 220V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 500 MHz
- Current - Input Bias:
- 1.6 µA
- Voltage - Input Offset:
- 400 µV
- Current - Supply:
- 1.7mA
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-70-5
MAX4412EXK-T FAQ
1.How can I place an order for MAX4412EXK-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4412EXK-T 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 MAX4412EXK-T reliable?
The price and inventory of MAX4412EXK-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4412EXK-T is usually 5 days.
3.What payment methods are accepted for MAX4412EXK-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4412EXK-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4412EXK-T?
MAX4412EXK-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4412EXK-T 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 MAX4412EXK-T?
For technical support, including MAX4412EXK-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4412EXK-T requirements.
6.How does Aetrix verify that MAX4412EXK-T is sourced from the original manufacturer or authorized distributors?
All MAX4412EXK-T 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 MAX4412EXK-T meets industry standards.
7.What is the process for return or replacement of MAX4412EXK-T?
All MAX4412EXK-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4412EXK-T, 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 MAX4412EXK-T part is unused and in its original packaging.
Return procedure for MAX4412EXK-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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