Texas Instruments

OPA1644AIDR  

OP Amps, Buffer Amps ICs

OPA1644AIDR Description

The OPA1644AIDR is a high-performance, quad-channel audio operational amplifier (op-amp) from Texas Instruments, designed to deliver exceptional audio quality and performance. With a supply voltage span ranging from 4.5V to 36V, this op-amp is well-suited for a wide range of applications. It features a low input bias current of 2 pA, ensuring minimal distortion and interference in sensitive audio circuits. The OPA1644AIDR also boasts a high slew rate of 20V/µs and a gain bandwidth product of 11 MHz, making it ideal for high-speed audio processing tasks.

OPA1644AIDR Features

• Supply Voltage Span: 4.5V to 36V, providing flexibility in power supply requirements.
• Low Input Bias Current: 2 pA, minimizing distortion and interference in sensitive audio circuits.
• High Slew Rate: 20V/µs, enabling fast response times and high-speed audio processing.
• Gain Bandwidth Product: 11 MHz, suitable for demanding audio applications.
• Low Input Offset Voltage: 1 mV, ensuring accurate signal processing.
• Low Supply Current: 1.8mA for all four channels, optimizing power consumption.
• High Output Current: 36 mA per channel, capable of driving demanding loads.
• REACH Unaffected: Compliant with REACH regulations, ensuring environmental safety.
• RoHS Compliant: Adheres to RoHS3 standards, promoting eco-friendly manufacturing practices.
• Moisture Sensitivity Level (MSL): 2 (1 Year), providing reliable performance in various environmental conditions.
• Package: 14-Pin SOIC, suitable for surface mount applications.

OPA1644AIDR Applications

The OPA1644AIDR is an ideal choice for a variety of audio applications, including:

1. Audio Preamps: Utilizing its low noise and high slew rate, the OPA1644AIDR is perfect for amplifying microphone and instrument signals.
2. Audio Mixers: Its quad-channel configuration makes it an excellent choice for mixing multiple audio sources.
3. Headphone Amplifiers: The OPA1644AIDR's high output current capability allows it to drive high-impedance headphones with ease.
4. Line Drivers and Receivers: Its low distortion and high bandwidth make it suitable for long-distance audio signal transmission.
5. Audio Effects Processing: The OPA1644AIDR's fast response times enable real-time audio effects processing.

Conclusion of OPA1644AIDR

The OPA1644AIDR is a versatile and high-performance quad-channel audio op-amp from Texas Instruments, offering a combination of low noise, high slew rate, and low distortion that makes it an excellent choice for a wide range of audio applications. Its REACH unaffected status, RoHS compliance, and low power consumption further enhance its appeal for environmentally conscious and power-sensitive designs. With its robust performance and unique features, the OPA1644AIDR is a valuable addition to any audio engineer's toolkit.

OPA1644AIDR Documents

Download datasheets and manufacturer documentation for OPA1644AIDR

Datasheets :

OPA1641,42,44      

HTML Datasheet :

OPA1641,42,44      

PCN Design/Specification :

Copper Wire Base Alternative 23/Apr/2014