My Inquiry
My Account
Analog Devices Inc./Maxim Integrated MAX4484AXK+T
- Part No.:
- MAX4484AXK+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
MAX4484AXK+T.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SC70-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,829
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
The MAX4484AXK+T from Maxim Integrated is a single, rail-to-rail output operational amplifier optimized for low-cost, single-supply applications. It delivers 7MHz gain-bandwidth, unity-gain stability, ±0.3mV typical input offset voltage, and full rail-to-rail swing into a 2kΩ load - enabling precision signal conditioning in portable instrumentation and sensor interfaces.
For engineers reviewing the MAX4484AXK+T datasheet, MAX4484AXK+T pinout, MAX4484AXK+T application, or MAX4484AXK+T equivalent, key selection criteria include its -40°C to +125°C operating range, SC70-5 package footprint, 2.7V–5.5V supply compatibility, and capacitive-load stability up to 100pF without external compensation.
Technical Context
The MAX4484AXK+T employs a CMOS input stage with ground-sensing capability and a class-AB rail-to-rail output stage capable of sourcing 27mA/sinking 33mA. Its 55° phase margin and 12dB gain margin ensure stable unity-gain operation across temperature and supply variations.
It achieves 85dB open-loop gain (AVOL) with a 2kΩ load and maintains 67–83dB common-mode rejection over VCM = VSS to VDD − 1.3V, supporting accurate amplification of signals referenced near ground in single-supply systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 7MHz - enables stable unity-gain amplification up to audio frequencies with minimal phase lag |
| Supply Voltage Range | +2.7V to +5.5V - compatible with Li-ion, 3.3V, and 5V logic rails without level-shifting |
| Input Offset Voltage (Typ) | ±0.3mV - supports <10-bit accuracy in 3.3V ADC front-ends without trimming |
| Rail-to-Rail Output Swing | Within 15mV of rails (RL = 2kΩ) - maximizes dynamic range in low-voltage signal chains |
| Capacitive Load Stability | Up to 100pF - eliminates need for isolation resistors when driving ADC inputs or long traces |
| Quiescent Current per Amp | 2.2mA at +5V - balances speed and power for battery-operated sensors and portable terminals |
| Operating Temperature | -40°C to +125°C - qualified for under-hood automotive, industrial control, and harsh-environment monitoring |
Pinout & Package
The MAX4484AXK+T is housed in a 5-pin SC70-5 package (1.25mm × 2.0mm, 0.65mm pitch), optimized for space-constrained PCB layouts in portable and embedded systems.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN+) | Noninverting Input | High-impedance CMOS node (1000GΩ); accepts signals down to VSS (ground-sensing) |
| 2 (IN-) | Inverting Input | Differential input pair node; matched with IN+ for low offset and drift |
| 3 (OUT) | Amplifier Output | Rail-to-rail class-AB stage; drives 2kΩ loads with <50mV headroom at both rails |
| 4 (VDD) | Positive Supply | Accepts +2.7V to +5.5V; requires local 0.1µF bypass to VSS for PSRR optimization |
| 5 (VSS) | Negative Supply / Ground | Reference return path; supports single-supply operation with input common-mode down to VSS |
Key Features
| Feature | Design Value |
|---|---|
| No Phase Reversal on Overdrive | Prevents latch-up and erroneous output during input saturation - critical for zero-crossing detectors |
| 0.01% THD at 10kHz (RL = 2kΩ) | Preserves signal fidelity in IR receiver and audio preamp stages without harmonic distortion |
| 29nV/√Hz Input Voltage Noise | Enables high-SNR amplification of µV-level sensor outputs (e.g., thermopiles, strain gauges) |
| 1fA/√Hz Input Current Noise | Minimizes Johnson noise contribution in high-impedance photodiode or pH electrode interfaces |
| Settling Time to 0.01% | 450ns - supports fast sampling in 1MSPS data acquisition front-ends |
Applications
| Single-Supply Zero-Crossing Detector | Portable Communicators |
|---|---|
Use Scenario: Detecting AC waveform polarity transitions in battery-powered remote controls and smart meters. IC Role / Device Role / Timing Role: Comparator replacement with hysteresis-free zero-crossing response using internal rail-to-rail swing. Use Value: Eliminates external bias networks and dual supplies while maintaining sub-microsecond transition detection accuracy. | Use Scenario: Amplifying microphone or RF IF signals in handheld radios and Bluetooth headsets. IC Role / Device Role / Timing Role: Low-noise, low-distortion preamplifier stage before ADC or mixer. Use Value: 29nV/√Hz noise and 0.01% THD preserve voice clarity and modulation integrity at 3.3V operation. |
| Sensor Signal Detection | Electronic Ignition Modules |
Use Scenario: Conditioning low-amplitude outputs from thermocouples, RTDs, or MEMS accelerometers in industrial nodes. IC Role / Device Role / Timing Role: Precision DC-coupled gain block with ground-sensing inputs and rail-to-rail output for full ADC utilization. Use Value: ±0.3mV offset and 67dB CMRR enable direct interfacing to millivolt-level sensors without calibration overhead. | Use Scenario: Amplifying crankshaft position sensor signals in automotive engine control units (ECUs). IC Role / Device Role / Timing Role: High-temperature-stable signal conditioner for magnetic or Hall-effect sensors. Use Value: Guaranteed operation from -40°C to +125°C and 100pF capacitive-load tolerance simplify ECU board layout and reliability validation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV9061IDBVR | Higher 10MHz GBW but higher 5.5mA supply current; 0.15mV max VOS at +25°C | Better bandwidth for active filters; less suitable for ultra-low-power wake-up circuits | Choose TLV9061IDBVR when >7MHz closed-loop bandwidth is required and quiescent current is secondary |
| LMV321IDBVR | Lower 1MHz GBW, 1.2mA supply current, and 7mV max VOS; only rated to +85°C | Cost-optimized for consumer-grade portable devices with relaxed accuracy and temperature needs | Choose LMV321IDBVR for cost-sensitive, non-automotive applications where 7MHz is unnecessary |
Compared with TLV9061IDBVR and LMV321IDBVR, the MAX4484AXK+T uniquely balances 7MHz bandwidth, 2.2mA quiescent current, ±0.3mV offset, and full -40°C to +125°C qualification - making it optimal for industrial and automotive signal conditioning where performance, power, and temperature robustness must coexist.
Availability
MAX4484AXK+T is available at Aetrix Electronics and suitable for portable communicators, electronic ignition modules, infrared receivers, sensor signal detection, and single-supply zero-crossing detector designs requiring stable component supply across extended temperature ranges.
Supply support for MAX4484AXK+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, communications, and computing markets.
The MAX4484AXK+T belongs to the MAX4484/MAX4486/MAX4487 family of rail-to-rail op amps engineered for low-cost, single-supply signal conditioning in harsh environments - emphasizing wide temperature range, capacitive-load drive, and ground-sensing capability.
FAQ
What is the maximum capacitive load the MAX4484AXK+T can drive without external compensation?
The MAX4484AXK+T is unity-gain stable with capacitive loads up to 100pF, as confirmed in the Electrical Characteristics table and Typical Operating Characteristics (Figure 2). This allows direct connection to ADC input capacitors, long PCB traces, or filtering networks without adding series isolation resistors - simplifying layout and preserving transient response in sensor and communication interfaces.
Does the MAX4484AXK+T support true ground-sensing input operation?
Yes. The MAX4484AXK+T features ground-sensing inputs with a common-mode voltage range extending to VSS (0V), enabling accurate amplification of signals referenced to system ground in single-supply configurations. This is explicitly specified in the Electrical Characteristics table (VCM = VSS to VDD − 1.3V) and leveraged in zero-crossing detector and sensor front-end applications.
What is the typical input offset voltage of the MAX4484AXK+T over temperature?
The MAX4484AXK+T has a typical input offset voltage of ±0.3mV at +25°C and a drift of ±6µV/°C, resulting in ≤±8.5mV maximum over the full -40°C to +125°C range. This is documented in the "Electrical Characteristics-TA = -40°C to +125°C" table and validated by the "INPUT OFFSET VOLTAGE vs. TEMPERATURE" plot (MAX4484 toc06), ensuring predictable DC accuracy in thermal cycling environments.
Can the MAX4484AXK+T operate from a 3.3V supply and still deliver rail-to-rail output swing?
Yes. The MAX4484AXK+T operates from +2.7V to +5.5V and delivers rail-to-rail output swing across this entire range. At VDD = +3.3V, it swings within 15mV of both rails into a 2kΩ load, as verified by the "Output Voltage High/Low" specifications (VOH/VOL) and "LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE HIGH/LOW" plots - making it ideal for modern 3.3V embedded systems.
Is the MAX4484AXK+T pin-compatible with other op amps in the MAX448x family?
No. The MAX4484AXK+T uses a 5-pin SC70-5 package with pinout IN+, IN-, OUT, VDD, VSS. The dual MAX4486 and quad MAX4487 use different pin counts (8- and 14-pin) and incompatible pin mappings. While functionally related, they are not pin-compatible replacements - each variant requires its own PCB layout and footprint.
MAX4484AXK+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:
- General Purpose
- Number of Circuits:
- 1
- 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
- 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:
- SC-70-5
MAX4484AXK+T FAQ
1.How can I place an order for MAX4484AXK+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4484AXK+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 MAX4484AXK+T reliable?
The price and inventory of MAX4484AXK+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4484AXK+T is usually 5 days.
3.What payment methods are accepted for MAX4484AXK+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4484AXK+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4484AXK+T?
MAX4484AXK+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4484AXK+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 MAX4484AXK+T?
For technical support, including MAX4484AXK+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4484AXK+T requirements.
6.How does Aetrix verify that MAX4484AXK+T is sourced from the original manufacturer or authorized distributors?
All MAX4484AXK+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 MAX4484AXK+T meets industry standards.
7.What is the process for return or replacement of MAX4484AXK+T?
All MAX4484AXK+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX4484AXK+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 MAX4484AXK+T part is unused and in its original packaging.
Return procedure for MAX4484AXK+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX4484AXK+T Tags
-
LM358DT
STMicroelectronics
-
LM358DR
Texas Instruments
-
LM2904DR
Texas Instruments
-
LM358ADR
Texas Instruments
-
LM2904DGKR
Texas Instruments
-
LM324DR
Texas Instruments
-
MCP6006T-E/OT
Microchip Technology
-
MCP6006UT-E/OT
Microchip Technology
-
LM324PWR
Texas Instruments
-
LM2902PWR
Texas Instruments
-
LM2902DR
Texas Instruments
-
LM358P
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
