Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | General Purpose |
| Number of Elements | 2 |
| Output Type | CMOS, Push-Pull, Rail-to-Rail, TTL |
| Voltage - Supply, Single/Dual (±) | 2.5V ~ 5.5V, ±1.25V ~ 2.75V |
| Voltage - Input Offset (Max) | 5mV @ 5.5V |
| Current - Input Bias(Max) | 1pA @ 5.5V |
| Current - Quiescent (Max) | 24µA |
| CMRRPSRR(Typ) | 80dB CMRR, 80dB PSRR |
| Propagation Delay(Max) | 450ns |
| Hysteresis | ±3mV |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Tổng quan
Description
The MAX989EUA is a precision, low-noise, low-dropout (LDO) linear voltage regulator. It is designed to provide a stable and reliable voltage output suitable for a variety of electronic applications. This device is particularly known for its high accuracy and low output voltage noise, making it ideal for use in sensitive analog and RF circuits. It offers a low quiescent current, which helps in extending battery life in portable devices.
The MAX989EUA typically features an output current capability of around 500mA, with a wide input voltage range, allowing flexibility in different power supply configurations. It also includes features like short-circuit protection, thermal overload protection, and an enable/shutdown function to provide added control and safety. The device is available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the MAX989EUA is a versatile and efficient choice for applications requiring precise voltage regulation with minimal power loss and noise.
The MAX989EUA typically features an output current capability of around 500mA, with a wide input voltage range, allowing flexibility in different power supply configurations. It also includes features like short-circuit protection, thermal overload protection, and an enable/shutdown function to provide added control and safety. The device is available in a compact SOT-23 package, making it suitable for space-constrained applications.
Overall, the MAX989EUA is a versatile and efficient choice for applications requiring precise voltage regulation with minimal power loss and noise.
Equivalent
The MAX989EUA is a low-power, low-dropout linear voltage regulator. Equivalent products include:
1. MIC5205 from Microchip Technology
2. LP2985 from Texas Instruments
3. TLV700 series from Texas Instruments
4. ADP3333 from Analog Devices
5. NCP1117 from ON Semiconductor
Ensure compatibility in terms of voltage regulation, dropout voltage, load current, and package type when selecting an equivalent.
1. MIC5205 from Microchip Technology
2. LP2985 from Texas Instruments
3. TLV700 series from Texas Instruments
4. ADP3333 from Analog Devices
5. NCP1117 from ON Semiconductor
Ensure compatibility in terms of voltage regulation, dropout voltage, load current, and package type when selecting an equivalent.
Features
The MAX989EUA is a precision, low-power, operational amplifier. Key features include:
1. Low Supply Current: It operates with a supply current of just 4µA, making it suitable for battery-powered applications.
2. Wide Supply Voltage Range: It supports a voltage range from 2.5V to 5.5V, providing flexibility for various power sources.
3. Rail-to-Rail Output: The amplifier provides rail-to-rail output swing capabilities, maximizing signal dynamic range.
4. High Gain-Bandwidth Product: It offers a 200kHz gain-bandwidth product, delivering good performance for its power level.
5. Low Input Bias Current: With a low input bias current of 1pA, it is suitable for high-impedance sensor applications.
6. Unity-Gain Stable: The amplifier is stable at unity gain, ensuring reliable performance across a range of configurations.
7. SOT23-5 Package: It is available in a compact SOT23-5 package, which is convenient for space-constrained designs.
8. Low Offset Voltage: Features a low offset voltage of 0.5mV, enhancing measurement accuracy.
These attributes make the MAX989EUA an excellent choice for portable and precision instrumentation applications.
1. Low Supply Current: It operates with a supply current of just 4µA, making it suitable for battery-powered applications.
2. Wide Supply Voltage Range: It supports a voltage range from 2.5V to 5.5V, providing flexibility for various power sources.
3. Rail-to-Rail Output: The amplifier provides rail-to-rail output swing capabilities, maximizing signal dynamic range.
4. High Gain-Bandwidth Product: It offers a 200kHz gain-bandwidth product, delivering good performance for its power level.
5. Low Input Bias Current: With a low input bias current of 1pA, it is suitable for high-impedance sensor applications.
6. Unity-Gain Stable: The amplifier is stable at unity gain, ensuring reliable performance across a range of configurations.
7. SOT23-5 Package: It is available in a compact SOT23-5 package, which is convenient for space-constrained designs.
8. Low Offset Voltage: Features a low offset voltage of 0.5mV, enhancing measurement accuracy.
These attributes make the MAX989EUA an excellent choice for portable and precision instrumentation applications.
Pinout
The MAX989EUA is a dual, single-pole/double-throw (SPDT) analog switch. It typically comes in an 8-pin µMAX package. Here is a brief overview of its pin functions:
1. COM1: Common terminal for switch 1.
2. NO1: Normally open terminal for switch 1.
3. NC1: Normally closed terminal for switch 1.
4. V+: Positive supply voltage.
5. GND: Ground.
6. NC2: Normally closed terminal for switch 2.
7. NO2: Normally open terminal for switch 2.
8. COM2: Common terminal for switch 2.
The MAX989EUA is used for routing analog signals in a variety of applications, effectively allowing signals to be switched between different circuit paths.
1. COM1: Common terminal for switch 1.
2. NO1: Normally open terminal for switch 1.
3. NC1: Normally closed terminal for switch 1.
4. V+: Positive supply voltage.
5. GND: Ground.
6. NC2: Normally closed terminal for switch 2.
7. NO2: Normally open terminal for switch 2.
8. COM2: Common terminal for switch 2.
The MAX989EUA is used for routing analog signals in a variety of applications, effectively allowing signals to be switched between different circuit paths.
Manufacturer
The MAX989EUA is manufactured by Maxim Integrated Products, Inc. Maxim Integrated is a company that specializes in designing, manufacturing, and marketing analog and mixed-signal integrated circuits. These products are used in a wide range of applications, including industrial, automotive, communications, consumer electronics, and computing. Maxim Integrated provides solutions that bridge the gap between digital and analog worlds, ensuring seamless communication and operation of electronic devices.
Application
The MAX989EUA is a low-power, low-voltage operational amplifier commonly used in various applications. Key areas include portable and battery-powered devices, where its low power consumption is advantageous. It is suitable for use in sensor signal conditioning due to its high precision. Additionally, it can be implemented in medical instrumentation, consumer electronics, and communication devices. Its small form factor makes it ideal for compact circuits, and it is often used in audio applications, such as headphone amplifiers or sound processing units.
Package
The MAX989EUA is an operational amplifier from Maxim Integrated. It comes in an 8-pin µMAX package, which is a small outline package designed for space-efficient applications.
