OPA1622 Headphone High-Fidelity Bipolar-Input High Current Output Low Noise Dual Op Amp Audio Operational Amplifier

Amp Audio Operational Amplifier
$9.25
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Description
OPA1622 Headphone High-Fidelity Bipolar-Input High Current Output Low Noise Dual Op Amp Audio Operational Amplifier
Product Description
OPA1622 is a dual channel, bipolar input, SoundPlus audio operational amplifier. The device has a low noise density of 2.8nV/√Hz and a low THD+N of –119.2dB at 1kHz. It can also drive a 32Ω load with 100mW of output power.
 
OPA1622 has high AC power supply rejection ratio (PSRR) and common mode rejection ratio (CMRR) specifications, which can eliminate the noise from the power supply, so it is very suitable for portable audio applications. In addition, the device has a high output drive capability of +145mA/–130mA, which can directly drive headphones. OPA1622 supports a wide supply voltage range of ±2V to ±18V, and the power supply current per channel is only 2.6m Generally, the output current of NE5532 OPA2604 and other op amps is less than 50MA, and the output of OPA1622 is up to 145MA, which greatly increases the driving force, making the circuit have better matching, lower output impedance, high and low bass levels, so the dynamic performance is very good .

Chip Features

• High-Fidelity Sound Quality
• Ultralow Noise: 2.8 nV/√Hz at 1 kHz
• Ultralow Total Harmonic Distortion + Noise: –119 dB THD+N (142 mW/Ch into 32 Ω/Ch)
• Wide Gain Bandwidth Product: 32 MHz (G = +1000)
• High Slew Rate: 10 V/μs
• High Capacitive-Load Drive Capability: > 600 pF
• High Open-Loop Gain: 136 dB (600-Ω Load)
• Low Quiescent Current: 2.6 mA per Channel
• Low-Power Shutdown Mode With Reduced Pop and Click Noise: 5 μA per Channel
• Short-Circuit Protection
• Wide Supply Range: ±2 V to ±18 V
• Available in small VSON-10 µPackage
Chip Applications
1
High-Fidelity (HiFi) Headphone Drivers
2
Professional Audio Equipment
3
Analog and Digital Mixing Consoles
4
Audio Test and Measurement
5
High-End Blu-ray™ Players
6
High-End Audio and Video (A/V) Receivers
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