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