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Analog Devices Inc./Maxim Integrated MAX4486AUA+T
- Part No.:
- MAX4486AUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX4486AUA+T.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,757
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Product details
Overview
MAX4486AUA+T from Maxim Integrated is a dual, rail-to-rail output operational amplifier optimized for single-supply operation from +2.7V to +5.5V, featuring 7MHz gain-bandwidth product, ±10mV max input offset voltage over temperature, and stable operation with up to 100pF capacitive loads - used in portable communicators and sensor signal detection circuits.
For engineers reviewing the MAX4486AUA+T datasheet, MAX4486AUA+T pinout, MAX4486AUA+T application, or MAX4486AUA+T equivalent, key selection criteria include rail-to-rail output swing into 2kΩ, ground-sensing inputs, no phase reversal on overdrive, 85dB large-signal voltage gain, and μMAX-8 package compatibility with space-constrained industrial and automotive sensing nodes.
Technical Context
The MAX4486AUA+T implements a CMOS-input, rail-to-rail output stage enabling full-swing operation within 50mV of VDD and VSS while driving 2kΩ loads. Its unity-gain stable architecture supports capacitive load tolerance up to 100pF without external compensation.
It features ground-sensing inputs (common-mode range extends to VSS), no phase reversal under overdriven conditions, and maintains 62dB minimum CMRR and PSRR across –40°C to +125°C - critical for precision signal conditioning in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 7MHz - enables stable closed-loop operation up to ~1MHz at gain ≥7, suitable for anti-aliasing and active filtering. |
| Supply Voltage Range | +2.7V to +5.5V - supports direct interfacing with Li-ion battery systems and 3.3V/5V logic without level-shifting. |
| Input Offset Voltage (max) | ±10.0mV (–40°C to +125°C) - sets DC error floor in sensor amplification stages requiring <1% accuracy. |
| Rail-to-Rail Output Swing | Within 50mV of VDD/VSS into 2kΩ - maximizes dynamic range in single-supply data acquisition front-ends. |
| Capacitive Load Stability | Stable with ≤100pF - allows direct connection to ADC input capacitance or long PCB traces without oscillation. |
| Input Bias Current | ±100pA (max) - preserves high-impedance source integrity in photodiode or thermopile amplifier designs. |
| Large-Signal Voltage Gain | 62dB min into 2kΩ (–40°C to +125°C) - ensures predictable closed-loop gain stability across industrial temperature range. |
Pinout & Package
The MAX4486AUA+T is housed in an 8-pin μMAX package (package code U8-1), measuring 3.0mm × 3.0mm × 0.8mm with exposed pad for thermal enhancement and RoHS-compliant finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Amplifier A output - drives external load with rail-to-rail swing; requires local 0.1μF bypass to VSS. |
| 2 | INA− | Inverting input for Channel A - accepts differential or single-ended signals; high-impedance node sensitive to layout. |
| 3 | INA+ | Noninverting input for Channel A - supports ground-referenced inputs down to VSS; matched to INA− for common-mode rejection. |
| 4 | VSS | Negative supply terminal - must be connected directly to low-impedance ground plane; shared return for both amplifiers. |
| 5 | INB− | Inverting input for Channel B - electrically isolated from Channel A; enables dual-path signal processing without crosstalk >70dB. |
| 6 | INB+ | Noninverting input for Channel B - identical input structure to INA+; supports independent biasing per channel. |
| 7 | OUTB | Amplifier B output - independently buffered; usable for feedback paths or cascaded gain stages. |
| 8 | VDD | Positive supply terminal - supplies both amplifiers; requires dedicated 0.1μF ceramic capacitor to VSS near pin. |
Key Features
| Feature | Design Value |
|---|---|
| No phase reversal on overdrive | Prevents latch-up or false triggering when input exceeds common-mode range - essential for zero-crossing detectors. |
| Ground-sensing inputs | Common-mode range includes VSS, enabling direct interface with 0V-referenced sensors like thermocouples or current shunts. |
| 7MHz unity-gain bandwidth | Supports 10-bit ADC sampling at 1MSPS with <0.1% settling error using simple RC filter compensation. |
| 85dB AVOL into 2kΩ | Ensures <0.01% gain error in precision instrumentation amplifiers with 100× closed-loop gain. |
| 0.01% THD into 2kΩ | Maintains audio-grade signal fidelity in IR receiver baseband amplification and portable communicator analog front-ends. |
Applications
| Single-Supply Zero-Crossing Detector | Sensor Signal Detection |
|---|---|
Use Scenario: Detecting AC waveform polarity transitions in battery-powered motor controllers and power inverters. IC Role / Device Role / Timing Role: Dual op amp configured as comparator with hysteresis (Channel A) and reference buffer (Channel B). Use Value: Rail-to-rail output swing ensures clean TTL/CMOS-compatible logic transitions without external level shifters. |
Use Scenario: Amplifying low-level mV-range outputs from RTDs, thermopiles, or strain gauges in industrial monitoring nodes. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier with ground-sensing inputs and 2kΩ load drive capability. Use Value: ±10mV max VOS over temperature limits DC drift to <0.5% FS error in 12-bit measurement systems. |
| Portable Communicators | Electronic Ignition Modules |
Use Scenario: Signal conditioning for microphone preamps and RF demodulator baseband filters in handheld radios and IoT transceivers. IC Role / Device Role / Timing Role: Dual-channel active filter and gain stage operating from single 3.3V Li-ion supply. Use Value: 7MHz GBW enables 2nd-order Butterworth filtering at 100kHz with <0.5dB passband ripple. |
Use Scenario: Amplifying coil current sense signals and shaping spark timing pulses in automotive ignition control units. IC Role / Device Role / Timing Role: High-speed comparator (Channel A) and noise-immune trigger buffer (Channel B) in 12V systems. Use Value: Stable operation with 100pF capacitive loads prevents oscillation when driving long harness cables to ignition coils. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV2462IDR | Lower GBW (6.4MHz), higher VOS (±2mV typ), 1.2mA supply current per amp | Better DC precision but reduced bandwidth margin for fast transient response | Preferred where ultra-low offset dominates over speed; not drop-in due to different pinout (SO-8 vs μMAX-8) |
| LMV358IDGKR | Lower GBW (1MHz), wider VOS range (±7mV max), rail-to-rail input/output, 150μA supply current | Optimized for ultra-low power, not high-speed signal conditioning | Selected for battery life-critical applications; requires PCB redesign due to DGK (VSS/OUTA/INA−/INA+/VDD/INB−/INB+/OUTB) pin mapping |
Compared with TLV2462IDR and LMV358IDGKR, the MAX4486AUA+T delivers superior bandwidth-to-power ratio (7MHz at 2.2mA) and guaranteed 100pF capacitive load stability - making it optimal for compact, high-fidelity sensor interfaces where layout area and signal integrity are constrained.
Availability
MAX4486AUA+T is available at Aetrix Electronics and suitable for portable communicators, electronic ignition modules, infrared receivers for remote controls, and sensor signal detection systems requiring stable component supply across extended temperature ranges.
Supply support for MAX4486AUA+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) designs precision analog, mixed-signal, and power management ICs for industrial, automotive, and communications applications.
The MAX4484/MAX4486/MAX4487 family targets cost-sensitive, space-constrained systems needing robust rail-to-rail performance across –40°C to +125°C - especially in portable and harsh-environment signal chains.
FAQ
What is the maximum capacitive load the MAX4486AUA+T can drive without instability?
The MAX4486AUA+T is unity-gain stable with capacitive loads up to 100pF, as verified across –40°C to +125°C. This specification allows direct interface with ADC input capacitance or long PCB traces without external isolation resistors. Exceeding 100pF may cause peaking or oscillation; for larger loads, a series resistor (e.g., 10Ω–100Ω) between MAX4486AUA+T output and the load is recommended to restore stability.
Does the MAX4486AUA+T support true rail-to-rail input operation?
No - the MAX4486AUA+T features rail-to-rail *output* swing but has ground-sensing inputs, meaning its common-mode input range extends to VSS (0V) but only up to VDD – 1.4V. This allows interfacing with 0V-referenced sensors while maintaining CMRR >62dB. True rail-to-rail input would require additional internal circuitry not present in the MAX4486AUA+T design.
What is the typical supply current per amplifier in the MAX4486AUA+T at +5.0V?
The typical supply current per amplifier in the MAX4486AUA+T is 2.2mA at VDD = +5.0V and TA = +25°C, with a maximum of 3.5mA over temperature. This quiescent current enables efficient operation in battery-powered devices while sustaining 7MHz bandwidth and rail-to-rail output drive into 2kΩ loads - a key trade-off advantage over lower-power alternatives like the LMV358IDGKR.
Can the MAX4486AUA+T be used in a single-supply zero-crossing detector without external components?
Yes - the MAX4486AUA+T's no-phase-reversal behavior on overdriven inputs and rail-to-rail output make it suitable for zero-crossing detection with minimal external parts. Configure one amplifier as a comparator with hysteresis using two resistors, and use the second amplifier to buffer a mid-supply reference (e.g., VDD/2). No external level shifters or clamping diodes are needed, simplifying design for portable and automotive applications using MAX4486AUA+T.
What package type does the MAX4486AUA+T use, and is it RoHS compliant?
The MAX4486AUA+T uses the 8-pin μMAX package (U8-1), measuring 3.0mm × 3.0mm × 0.8mm with an exposed thermal pad. The "+" suffix in the part number indicates RoHS compliance per Maxim Integrated's standard. This package offers superior thermal performance and board-area efficiency compared to SO-8, making it ideal for compact sensor modules and portable equipment where the MAX4486AUA+T is deployed.
MAX4486AUA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 20V/µs
- Gain Bandwidth Product:
- 7 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 0.1 pA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 2.2mA (x2 Channels)
- Current - Output / Channel:
- 33 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 5.5 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-uMAX/uSOP
MAX4486AUA+T FAQ
1.How can I place an order for MAX4486AUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4486AUA+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 MAX4486AUA+T reliable?
The price and inventory of MAX4486AUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4486AUA+T is usually 5 days.
3.What payment methods are accepted for MAX4486AUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4486AUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4486AUA+T?
MAX4486AUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4486AUA+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 MAX4486AUA+T?
For technical support, including MAX4486AUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4486AUA+T requirements.
6.How does Aetrix verify that MAX4486AUA+T is sourced from the original manufacturer or authorized distributors?
All MAX4486AUA+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 MAX4486AUA+T meets industry standards.
7.What is the process for return or replacement of MAX4486AUA+T?
All MAX4486AUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4486AUA+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 MAX4486AUA+T part is unused and in its original packaging.
Return procedure for MAX4486AUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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