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Analog Devices Inc./Maxim Integrated MAX4488AUT#TG16
- Part No.:
- MAX4488AUT#TG16
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
MAX4488AUT#TG16.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT SOT6
- Quantity:
- Payment:
- Shipping:
Inventory:1,207
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Product details
Overview
MAX4488AUT#TG16 from Maxim Integrated is a single-channel, rail-to-rail output, low-noise, low-distortion operational amplifier optimized for high-fidelity signal conditioning. It features 42MHz gain-bandwidth product (AV ≥ +5V/V), 0.0005% THD+N at 1kHz with 1kΩ load, 4.5nV/√Hz input voltage-noise density, and shutdown current of 0.01µA. It operates from +2.7V to +5.5V single supply and is used in precision DAC output amplification and medical sensor front-ends.
For engineers reviewing the MAX4488AUT#TG16 datasheet, MAX4488AUT#TG16 pinout, MAX4488AUT#TG16 application, or MAX4488AUT#TG16 equivalent, this page delivers verified specifications, SOT23-6 pin mapping, real-world use scenarios in ADC/DAC buffering and low-noise preamplification, and two validated alternative op amps with documented functional trade-offs.
Technical Context
The MAX4488AUT#TG16 is internally compensated for stable operation at closed-loop gains of +5V/V or greater, distinguishing it from unity-gain stable variants like the MAX4475. Its 10V/µs slew rate and 1.25MHz full-power bandwidth support fast settling in high-resolution data conversion systems.
It integrates a dedicated SHDN pin enabling ultra-low quiescent current (0.01µA) and high-impedance output state, while maintaining rail-to-rail output swing (within 80mV of rails at 1kΩ) and ground-sensing input common-mode range (down to VSS − 0.1V). Input bias current is 1pA (typ), supporting high-impedance source interfacing without significant error.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 42MHz - Enables stable closed-loop gain ≥ +5V/V with sufficient loop gain for low distortion at audio and instrumentation frequencies. |
| THD+N (1kHz, 2VP-P, RL = 1kΩ) | 0.0005% - Ensures <16-bit accuracy in precision DAC output stages without post-filtering. |
| Input Voltage-Noise Density | 4.5nV/√Hz @ 1kHz - Critical for preserving SNR in microphone preamps and strain gauge amplifiers. |
| Supply Current (Normal Mode) | 2.5mA @ VDD = 5V - Balances performance and power in battery-operated portable instrumentation. |
| Shutdown Current | 0.01µA - Allows >1000× current reduction during idle periods in duty-cycled sensor systems. |
| Input Offset Voltage (max) | ±350µV @ +25°C - Supports DC-accurate amplification in weigh-scale and medical transducer interfaces. |
| Rail-to-Rail Output Swing | Within 80mV of VSS/VDD @ 1kΩ - Maximizes dynamic range in low-voltage (2.7V–5.5V) single-supply designs. |
Pinout & Package
SOT23-6 package (Package Code U6F+6), 6-pin surface-mount, RoHS-compliant, exposed pad not present in SOT23 variant.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | Amplifier output terminal; rail-to-rail capable, drives loads down to 1kΩ with DC accuracy. |
| 2 | VSS | Negative supply rail; connect to ground for single-supply operation; reference for exposed paddle in TDFN (not applicable here). |
| 3 | IN+ | Noninverting input; common-mode range includes ground (VSS − 0.1V), enabling true single-supply sensor interfacing. |
| 4 | IN− | Inverting input; 10pF input capacitance requires feed-forward compensation (CZ) when RF||RG > 5kΩ. |
| 5 | SHDN | Active-low shutdown control; logic-low (≤0.3×VDD) reduces IDD to 0.01µA and places OUT in high-Z state. |
| 6 | VDD | Positive supply rail; operates from +2.7V to +5.5V; bypass with 0.1µF ceramic capacitor near pin. |
Key Features
| Feature | Design Value |
|---|---|
| Low-noise architecture | 4.5nV/√Hz input voltage noise + 0.5fA/√Hz current noise enables high-SNR amplification of µV-level sensor signals. |
| High-speed, decompensated design | 42MHz GBW and 10V/µs slew rate support clean 1.25MHz full-power bandwidth for fast-settling DAC buffers. |
| True rail-to-rail output | Swings within 80mV of VSS/VDD into 1kΩ, preserving >95% of available voltage headroom in 3V systems. |
| Integrated shutdown function | Dedicated SHDN pin reduces supply current to 0.01µA and disables output without external circuitry or PCB layout changes. |
| Ground-sensing input | Input common-mode range extends to VSS − 0.1V, allowing direct connection of unipolar sensors (e.g., bridge outputs) without level-shifting. |
Applications
| ADC Buffers | DAC Output Amplifiers |
|---|---|
|
Use Scenario: Driving the analog input of a 16-bit SAR ADC (e.g., MAX11270) with minimal noise and distortion contribution. IC Role / Device Role / Timing Role: Precision buffer isolating ADC input from source impedance, maintaining DC accuracy and settling within 2µs to 0.01%. Use Value: 0.0002% THD+N and 4.5nV/√Hz noise prevent degradation of effective number of bits (ENOB) in high-resolution data acquisition. |
Use Scenario: Amplifying and level-shifting the unbuffered voltage output of a 16-bit DAC (e.g., MAX5541) to drive ±2.5V or 0–5V loads. IC Role / Device Role / Timing Role: Output driver providing rail-to-rail swing, low offset (±70µV typ), and 1pA input bias to preserve DAC linearity. Use Value: 1pA IBIAS eliminates gain error in high-impedance DAC output networks, ensuring monotonicity and 16-bit accuracy. |
| Low-Noise Microphone/Preamplifiers | Strain Gauges/Sensor Amplifiers |
|
Use Scenario: First-stage amplification of electret condenser microphone (ECM) output in portable audio recorders or voice-controlled devices. IC Role / Device Role / Timing Role: Low-noise, high-input-impedance preamp with gain ≥ +10V/V, operating from 3.3V supply. Use Value: 4.5nV/√Hz input noise dominates over ECM self-noise, enabling >65dB SNR in compact form factors. |
Use Scenario: Instrumentation-grade amplification of mV-level Wheatstone bridge outputs from metal foil or silicon strain gauges. IC Role / Device Role / Timing Role: Differential-to-single-ended converter with precise gain (e.g., +100V/V), rejecting common-mode interference. Use Value: 115dB CMRR and ±70µV VOS minimize offset drift and thermal errors in precision weighing and structural monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA1611AIDR | Lower noise (1.1nV/√Hz), unity-gain stable (10MHz GBW), no shutdown pin, SO-8 package. | Better suited for ultra-low-noise audio preamps where shutdown is unnecessary and board space allows SO-8. | Select OPA1611AIDR when noise floor is paramount and shutdown functionality is not required. |
| ADA4898-1ARMZ | Higher slew rate (27V/µs), wider GBW (65MHz), higher supply current (10mA), no shutdown, MSOP-8 package. | Preferred for wideband active filters or high-speed photodiode transimpedance stages requiring >10V/µs response. | Select ADA4898-1ARMZ when full-power bandwidth >1.25MHz and drive capability >±10mA are needed. |
Compared with OPA1611AIDR and ADA4898-1ARMZ, the MAX4488AUT#TG16 uniquely balances 42MHz bandwidth, 0.01µA shutdown, SOT23-6 footprint, and 4.5nV/√Hz noise-making it optimal for space-constrained, battery-sensitive instrumentation where moderate noise and programmable power gating are jointly critical.
Availability
MAX4488AUT#TG16 is available at Aetrix Electronics and suitable for precision DAC buffering, low-noise sensor signal conditioning, and medical instrumentation requiring stable component supply across extended temperature ranges (−40°C to +125°C).
Supply support for MAX4488AUT#TG16 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, mixed-signal, and power management ICs for demanding industrial, medical, and automotive applications.
The MAX4475–MAX4489 family was engineered specifically for low-noise, low-distortion signal conditioning in high-resolution data conversion systems, emphasizing rail-to-rail operation, ground-sensing inputs, and power-efficient shutdown modes.
FAQ
What is the gain-bandwidth product of the MAX4488AUT#TG16?
The MAX4488AUT#TG16 has a gain-bandwidth product of 42MHz, specified for closed-loop gains of +5V/V or greater. This decompensated architecture provides higher bandwidth than unity-gain stable op amps in the same family (e.g., MAX4475 at 10MHz), enabling faster settling in high-gain precision amplifier configurations. The 42MHz GBW is measured under AV = +5V/V conditions per the official datasheet.
Does the MAX4488AUT#TG16 support single-supply operation?
Yes, the MAX4488AUT#TG16 supports true single-supply operation from +2.7V to +5.5V. Its input common-mode voltage range extends to VSS − 0.1V, and its rail-to-rail output swings within 80mV of both supply rails into a 1kΩ load. This allows direct interfacing with ground-referenced sensors and compatibility with modern low-voltage microcontrollers and ADCs without level-shifting circuitry.
What is the shutdown current specification for the MAX4488AUT#TG16?
The MAX4488AUT#TG16 draws only 0.01µA (10nA) of supply current in shutdown mode when the SHDN pin is driven low. During shutdown, the output enters a high-impedance state, and internal biasing is disabled. This ultra-low current enables >1000× power reduction in intermittent-sampling systems such as portable data loggers or battery-powered IoT sensor nodes.
Is the MAX4488AUT#TG16 pin-compatible with other op amps in the MAX4475–MAX4489 family?
The MAX4488AUT#TG16 in SOT23-6 package shares identical pinout with the MAX4475AUT+T (U6F+6), including SHDN on Pin 5. However, it is not pin-compatible with unity-gain stable variants like MAX4476 (no SHDN) or multi-channel versions (MAX4477/MAX4478). Always verify gain stability requirements: MAX4488AUT#TG16 requires minimum AV = +5V/V, unlike the MAX4475AUT+T which is unity-gain stable.
What are the key noise specifications of the MAX4488AUT#TG16?
The MAX4488AUT#TG16 delivers 4.5nV/√Hz input voltage-noise density at 1kHz and 0.5fA/√Hz input current-noise density at 1kHz. Its peak-to-peak input noise is 260nVP-P over 0.1Hz–10Hz. These values enable high-fidelity amplification of low-level signals from piezoelectric sensors, strain gauges, and electret microphones without compromising system SNR, especially when paired with appropriate feedback network resistor values.
MAX4488AUT#TG16 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 10V/µs
- Gain Bandwidth Product:
- 42 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1 pA
- Voltage - Input Offset:
- 70 µV
- Current - Supply:
- 2.5mA
- Current - Output / Channel:
- 48 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:
- SOT-6
MAX4488AUT#TG16 FAQ
1.How can I place an order for MAX4488AUT#TG16 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX4488AUT#TG16 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 MAX4488AUT#TG16 reliable?
The price and inventory of MAX4488AUT#TG16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX4488AUT#TG16 is usually 5 days.
3.What payment methods are accepted for MAX4488AUT#TG16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX4488AUT#TG16 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX4488AUT#TG16?
MAX4488AUT#TG16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX4488AUT#TG16 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 MAX4488AUT#TG16?
For technical support, including MAX4488AUT#TG16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX4488AUT#TG16 requirements.
6.How does Aetrix verify that MAX4488AUT#TG16 is sourced from the original manufacturer or authorized distributors?
All MAX4488AUT#TG16 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 MAX4488AUT#TG16 meets industry standards.
7.What is the process for return or replacement of MAX4488AUT#TG16?
All MAX4488AUT#TG16 units undergo pre-shipment inspection (PSI). If there is an issue with MAX4488AUT#TG16, 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 MAX4488AUT#TG16 part is unused and in its original packaging.
Return procedure for MAX4488AUT#TG16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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