OPA1644AIDR
- Mfr.Part #
- OPA1644AIDR
- Manufacturer
- Texas Instruments
- Package / Case
- 14-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC AUDIO 4 CIRCUIT 14SOIC
- Stock
- 5,915
- In Stock :
- 5,915
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- Manufacturer :
- Texas Instruments
- Product Category :
- Instrumentation, OP Amps, Buffer Amps
- Output Current per Channel :
- 36mA
- Height :
- 1.75mm
- Mounting Type :
- Surface Mount
- Number of Functions :
- 4
- JESD-609 Code :
- e4
- Current - Input Bias :
- 2pA
- Frequency Compensation :
- yes
- ECCN Code :
- EAR99
- Width :
- 3.91mm
- Terminal Position :
- Dual
- Micropower :
- No
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Package / Case :
- 14-SOIC (0.154, 3.90mm Width)
- Number of Elements :
- 4
- Low-Offset :
- No
- Thickness :
- 1.58mm
- Voltage - Supply, Single/Dual (±) :
- 4.5V~36V ±2.25V~18V
- Average Bias Current-Max (IIB) :
- 0.00002μA
- Pbfree Code :
- yes
- Terminal Form :
- Gull wing
- Pin Count :
- 14
- Packaging :
- Tape and Reel (TR)
- Factory Lead Time :
- 6 Weeks
- Input Offset Current-Max (IIO) :
- 0.00002μA
- Peak Reflow Temperature (Cel) :
- 260
- Supply Voltage :
- 18V
- Architecture :
- VOLTAGE-FEEDBACK
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Terminations :
- 14
- Terminal Pitch :
- 1.27mm
- Nominal Supply Current :
- 1.8mA
- Input Offset Voltage (Vos) :
- 3.5mV
- Voltage Gain :
- 134dB
- Operating Temperature :
- -40°C~85°C
- Slew Rate :
- 20V/µs
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Power Supply Rejection Ratio (PSRR) :
- 137.08dB
- Base Part Number :
- OPA1644
- Common Mode Rejection Ratio :
- 120 dB
- Voltage - Input Offset :
- 1mV
- Amplifier Type :
- Audio
- Unity Gain BW-Nom :
- 11000 kHz
- Programmable Power :
- No
- Lead Free :
- Lead Free
- RoHS Status :
- ROHS3 Compliant
- Number of Pins :
- 14
- Length :
- 8.65mm
- Packing Method :
- TR
- Series :
- SoundPlus™
- Operating Supply Current :
- 1.8mA
- Low-Bias :
- yes
- Radiation Hardening :
- No
- Wideband :
- No
- Output Type :
- Rail-to-Rail
- Neg Supply Voltage-Nom (Vsup) :
- -18V
- Nominal Gain Bandwidth Product :
- 11MHz
- Surface Mount :
- yes
- Bias Current-Max (IIB) @25C :
- 0.00002μA
- Datasheets
- OPA1644AIDR

Instrumentation, OP Amps, Buffer Amps Texas Instruments OPA1644AIDR Overview
The OPA1644AIDR, manufactured by Texas Instruments, is an integrated circuit (IC) designed for audio applications. This high-performance audio buffer amplifier features four channels and comes in a 14-SOIC package. With its advanced design and exceptional quality, it is a top choice for professionals seeking superior audio performance.
Whether you're working on professional audio equipment, consumer electronics, or industrial applications, the OPA1644AIDR delivers outstanding audio fidelity and reliability. Its versatile design and robust construction make it an ideal solution for various audio amplification needs.
With Texas Instruments' renowned expertise in semiconductor technology and audio engineering, the OPA1644AIDR sets the standard for excellence in audio amplification.
OPA1644AIDR Features
- Four-channel audio buffer amplifier
- 14-SOIC package for easy integration
- High-performance design for superior audio quality
- Wide range of applications in professional and consumer audio equipment
- Low distortion and noise for pristine audio reproduction
- Robust construction for reliability in demanding environments
OPA1644AIDR Applications
- Professional audio mixing consoles: The OPA1644AIDR is used to amplify audio signals in high-end mixing consoles, ensuring pristine sound quality and low noise levels for professional audio production.
- Studio monitors: Audio engineers rely on the OPA1644AIDR to power studio monitors, delivering accurate and detailed sound reproduction for critical listening environments.
- High-fidelity headphone amplifiers: Consumer electronics manufacturers integrate the OPA1644AIDR into headphone amplifiers to provide audiophiles with an exceptional listening experience, characterized by clear highs and tight bass.
- Industrial audio equipment: The OPA1644AIDR finds applications in industrial audio equipment such as public address systems and sound reinforcement systems, where reliability and performance are paramount.
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