MAX4198ESA+

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX4198ESA+ is a high voltage, low power, rail-to-rail, single-supply amplifier chip from Maxim Integrated. It is designed for use in instrumentation, signal conditioning, and signal buffering applications. It offers the highest dynamic range and low noise of any single-supply rail-to-rail amplifier family available. This device is ideal for applications where input and output common-mode and power supply transient protection are required, or for applications that require high dynamic range or wide operating temperature range. Additionally, it is available in small SOT-23 and 5-lead SC-70 packages.

Key Characteristics of MAX4198ESA+

• High output current : 800 mA.
• Low input bias current : ±2 pA typical.
• Low input offset voltage : 110 μV typical.
• Broad operating temperature range : -40°C to +125°C.
• Low supply-voltage operation : down to 2.45 V.
• Low supply current: 625 μA typical.
• High open-loop gain : 140 dB typical.
• High small-signal bandwidth : 4.7 MHz typical.
• High speed : 9.7 MHz typical slew rate.
• High output impedance : 70 Ω single-ended or 141 Ω differential.

Application Field of MAX4198ESA+

The MAX4198ESA+ is suitable for a wide range of applications, including precision audio and video buffering, portable instrumentation, low-power communication products, etc. It is also suitable for high-precision measurement, signal conditioning, RF applications, and other applications where power supply and high input and output common mode rejection are important.

Working Principle of MAX4198ESA+

The MAX4198ESA+ is a high voltage, low power, rail-to-rail, single-supply amplifier chip. This device uses the concept of single-stage amplifier, where one resistor is matched directly with a single input amplifier stage. The input stage should be designed to provide the best performance possible. It should be designed to providehightransconductence, low input bias current, and high open-loop gain. The open-loop gain of the amplifier is determined by the transconductance of the amplifier, which is in turn determined by the size of the amplifier transistor. The output stage should be designed to provide low power dissipation and high output current gain. The output current gain is determined by the size of the output transistor.

The MAX4198ESA+ also features a wide operating temperature range and low input and output common-mode voltage. The wide operating temperature range allows the device to operate in harsh environments where temperatures may range from -40°C to +125°C. The low input and output common-mode voltage allows the device to operate with a single-supply rail-to-rail voltage, eliminating the need for separate bias supplies for single-supply operation.

Conclusion

The MAX4198ESA+ is an ideal choice for instrumentation, signal conditioning, buffering and other applications where power and common mode rejection are important. Its wide operating temperature range, low power dissipation and high output current gain make it ideal for a wide range of applications. The device is available in small SOT-23 and 5-lead SC-70 packages with high dynamic range, low noise and low supply-current operation.

The specific data is subject to PDF, and the above content is for reference