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Home > Products > Integrated Circuits (ICs) > Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps > MAX4094ASD+T
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MAX4094ASD+T

In Stock 4600 pcs Reference Price(In US Dollars)
1+
$3.539
200+
$1.3693
500+
$1.3216
1000+
$1.2984
Manufacturer Part Number:
MAX4094ASD+T
Manufacturer / Brand
Analog Devices Inc./Maxim Integrated
Part of Description:
IC OPAMP GP 4 CIRCUIT 14SOIC
Datasheets:
MAX4094ASD+T(1).pdfMAX4094ASD+T(2).pdfMAX4094ASD+T(3).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 4600 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MAX4094ASD+T
Manufacturer / Brand Analog Devices Inc./Maxim Integrated
Stock Quantity 4600 pcs Stock
Category Integrated Circuits (ICs) > Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Description IC OPAMP GP 4 CIRCUIT 14SOIC
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ MAX4094ASD+T Datasheets MAX4094ASD+T Details PDF
MAX4094ASD+T Details PDF for FR.pdf
MAX4094ASD+T Details PDF for KR.pdf
MAX4094ASD+T Details PDF for IT.pdf
MAX4094ASD+T Details PDF for DE.pdf
MAX4094ASD+T Details PDF for ES.pdf
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 6 V
Voltage - Input Offset 30 µV
Supplier Device Package 14-SOIC
Slew Rate 0.2V/µs
Series -
Package / Case 14-SOIC (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Output Type Rail-to-Rail
Operating Temperature -40°C ~ 125°C
Number of Circuits 4
Mounting Type Surface Mount
Gain Bandwidth Product 500 kHz
Current - Supply 130µA (x4 Channels)
Current - Input Bias 20 nA
Base Product Number MAX4094
Amplifier Type General Purpose

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

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MAX4094ASD+T Product Details:

The MAX4094ASD+T is a general-purpose, quad operational amplifier (op-amp) designed by Maxim Integrated. It features a rail-to-rail output, allowing it to operate from a wide range of single or dual supply voltages, from 2.7V to 6V or ±1.35V to ±3V. The op-amp offers a gain bandwidth product of 500kHz and a slew rate of 0.2V/s, making it suitable for a variety of instrumentation and buffer amplifier applications.

The key features of the MAX4094ASD+T include its four independent op-amp circuits, which can be used individually or in parallel for increased output current. The amplifier's rail-to-rail input and output capabilities allow it to operate close to the supply rails, addressing design challenges related to limited headroom in battery-powered or low-voltage systems. Additionally, the device has a low input bias current of 20nA and an input offset voltage of 30μV, ensuring accurate signal processing.

The MAX4094ASD+T is packaged in a 14-SOIC (Small Outline Integrated Circuit) surface-mount package, which is lead-free and RoHS-compliant. It is rated for an operating temperature range of -40°C to 125°C, making it suitable for a wide range of industrial and consumer applications, such as portable instrumentation, data acquisition systems, and sensor signal conditioning.

Equivalent or alternative models to the MAX4094ASD+T include the MAX4094CSA+T and the MAX4094ASD+. The MAX4094CSA+T is offered in a smaller 8-SOIC package, while the MAX4094ASD+ is a pin-compatible version without the "T" suffix, which indicates a different packaging option (e.g., tape and reel).

MAX4094ASD+T Image
MAX4094ASD+T (1)

MAX4094ASD+T Key Technical Attributes

- General Purpose Amplifier, 4 Circuit, Rail-to-Rail

- Slew Rate: 0.2 V/µs

- Gain Bandwidth Product: 500kHz

MAX4094ASD+T Packing Size

- Type: 14-SOIC

- Material: Lead-free / RoHS Compliant

- Size: 0.154", 3.90mm Width

- Pin Configuration: 14

- Thermal Characteristics: Operating Temperature -40°C ~ 125°C

- Electrical Properties: Voltage - Supply, Single/Dual (±) 2.7 V ~ 6 V, ±1.35 V ~ 3 V

MAX4094ASD+T Application

- Suited for use in instrumentation, OP Amps, and buffer amps within integrated circuits

MAX4094ASD+T Features

- The MAX4094ASD+T offers high performance with four independent rail-to-rail output amplifier circuits that are capable of wide operational temperature ranges from -40°C to 125°C. It features a gain bandwidth product of 500kHz and a moderate slew rate of 0.2 V/µs. The device operates effectively within a voltage supply range of 2.7 V to 6 V (single) or ±1.35 V to ±3 V (dual).

MAX4094ASD+T Quality and Safety Features

- It maintains a low input bias current of 20nA and a voltage input offset of 3mV, ensuring high integrity and accuracy in measurements and circuits. Compliance with RoHS and a moisture sensitivity level of 1 endorse its safe usage in various environmental conditions without compromising operational functionality.

MAX4094ASD+T Compatibility

- Suitable for mounting in surface mount technology (SMT) configurations, utilizing a 14-SOIC housing package which is compatible with similar device packages for seamless integration into broader circuit designs.

MAX4094ASD+T Datasheet PDF

- We encourage customers to download the most authoritative and up-to-date datasheet for the MAX4094ASD+T from our website. This datasheet includes comprehensive technical details, application guides, and schematic diagrams.

Quality Distributor

- IC-Components is a premium distributor of Maxim Integrated products. We guarantee the availability of authentic parts, competitive pricing, and exceptional customer service. Get a quote for MAX4094ASD+T today on our website and ensure your projects benefit from quality and reliability!

Frequently Asked Questions

What are the key design constraints when integrating the MAX4094ASD+T into a low-power, battery-operated industrial sensor interface?
The MAX4094ASD+T operates with a supply voltage range of 2.7 V to 6 V (single) or ±1.35 V to ±3 V (dual), making it suitable for battery-powered systems. However, its quiescent supply current of 130 µA per amplifier (520 µA total for all four circuits) must be carefully evaluated against system-level power budgets. In long-life applications, consider duty cycling or using power-down modes if available in the system architecture. Additionally, ensure input signals do not exceed the supply rails, even though the device supports rail-to-rail input and output—exceeding absolute maximum ratings can cause latch-up or degradation.
Can the MAX4094ASD+T be used in high-impedance signal conditioning circuits without introducing significant error due to input bias current?
Yes, but with caution. The MAX4094ASD+T has an input bias current of 20 nA, which is relatively low for a general-purpose op-amp. However, in high-impedance sensor interfaces (e.g., pH probes or piezoelectric sensors with source impedances >100 kΩ), this bias current can generate offset voltages exceeding 2 mV. Use guard rings, low-leakage PCB materials, and minimize trace lengths to reduce parasitic leakage. For ultra-high-impedance applications, consider a precision FET-input amplifier instead.
Is the MAX4094ASD+T suitable for replacing a legacy quad op-amp like the LM324 in a 5 V industrial control system?
The MAX4094ASD+T can replace the LM324 in many 5 V applications due to its rail-to-rail input and output capability, which the LM324 lacks. However, note that the MAX4094ASD+T has a much lower gain bandwidth product (500 kHz vs. ~1 MHz for LM324) and slower slew rate (0.2 V/µs), which may affect performance in higher-frequency or fast-settling circuits. Also, verify that the input common-mode range includes ground—while the MAX4094ASD+T supports "Beyond-the-Rails" operation, ensure your signal levels stay within the specified limits under all conditions.
What are the thermal and reliability implications of operating the MAX4094ASD+T at its maximum rated temperature of 125°C in an enclosed industrial enclosure?
The MAX4094ASD+T is rated for operation from -40°C to 125°C, but sustained operation near 125°C reduces long-term reliability and increases the risk of electromigration and oxide degradation. Ensure adequate PCB copper area for heat dissipation, avoid placing heat-generating components nearby, and consider derating the supply voltage slightly to reduce internal power dissipation. In high-temperature environments, monitor for increased input offset voltage drift and gain error over time.
How does the “Beyond-the-Rails” feature of the MAX4094ASD+T impact input protection and signal integrity in overvoltage scenarios?
The "Beyond-the-Rails" capability allows the MAX4094ASD+T to accept input voltages beyond the supply rails (up to 200 mV beyond V+ or V−), which is useful for fault-tolerant designs. However, this does not eliminate the need for input clamping in harsh environments. Excessive overvoltage can still cause latch-up or long-term degradation. Use series current-limiting resistors (e.g., 1 kΩ to 10 kΩ) combined with external Schottky diodes to clamp transients, especially in industrial settings with inductive loads or ESD events.
Can I use the MAX4094ASD+T in a single-supply 3.3 V data acquisition system with DC-coupled sensor inputs referenced to ground?
Yes, the MAX4094ASD+T is well-suited for 3.3 V single-supply operation. Its rail-to-rail input and output stages allow it to handle signals near ground and up to the positive rail, enabling full dynamic range utilization. Ensure the sensor output does not exceed the input common-mode range, which includes ground. For best DC accuracy, account for the typical 3 mV input offset voltage when designing gain stages, and consider AC coupling if DC offset drift is a concern.
What should I consider when migrating from a precision instrumentation amplifier to the MAX4094ASD+T for cost reduction in a multi-channel measurement system?
The MAX4094ASD+T is a general-purpose quad op-amp, not a dedicated instrumentation amplifier, so it lacks built-in precision matching, high CMRR, and low drift. If replacing an in-amp, you must build a discrete three-op-amp topology using three channels of the MAX4094ASD+T. This approach increases sensitivity to resistor matching, PCB layout parasitics, and temperature gradients. Use 0.1% or better matched resistors and ensure symmetrical layout. Also, the 500 kHz GBW may limit performance in high-gain, wideband applications.
Are there any known compatibility issues when replacing the MAX4094ASD+T with pin-compatible alternatives from other manufacturers in a 14-SOIC footprint?
While some quad rail-to-rail op-amps (e.g., Texas Instruments LMV324, Analog Devices AD8604) share the 14-SOIC package, direct substitution with the MAX4094ASD+T is not guaranteed. Differences in input bias current, offset voltage, slew rate, and supply current can affect circuit performance. For example, the LMV324 has higher input bias current (25 nA typical) and lower GBW (1 MHz), which may not meet timing requirements. Always validate key parameters like noise, stability, and transient response in your specific application before substitution.
How does the slew rate of 0.2 V/µs on the MAX4094ASD+T limit its use in active filter or signal conditioning applications?
The MAX4094ASD+T’s slew rate of 0.2 V/µs restricts its use in applications requiring fast signal transitions, such as active filters with high cutoff frequencies or pulse amplification. For a sine wave, the maximum frequency before slew-induced distortion is approximately f_max ≈ SR / (2π × V_peak). At 5 V peak output, this limits undistorted operation to below 6.4 kHz. For higher-frequency filtering or waveform generation, consider a faster amplifier with slew rate >1 V/µs.
What PCB layout practices are critical when using the MAX4094ASD+T in a high-density, multi-channel analog front-end design?
To maintain signal integrity with the MAX4094ASD+T, use a solid ground plane, minimize trace lengths between amplifiers and feedback components, and isolate analog and digital sections. Keep input traces away from digital lines to reduce coupling. Decouple each supply pin with a 0.1 µF ceramic capacitor placed as close as possible to the device. Since the MAX4094ASD+T has four amplifiers in one package, thermal coupling between channels can cause drift—ensure symmetrical layout and avoid placing heat sources adjacent to the IC.

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