OPA1622 - SoundPlus? 高性能、双极输入音频运算放大器

OPA1622是TI德州仪器公司的一款精密放大器产品，OPA1622是SoundPlus? 高性能、双极输入音频运算放大器，本站介绍了OPA1622的封装应用图解、特点和优点、功能等，并给出了与OPA1622相关的TI元器件型号供参考。

OPA1622 - SoundPlus? 高性能、双极输入音频运算放大器 - 精密放大器 - 运算放大器(OpAmp) - 德州仪器

产品特性

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

2 Applications

High-Fidelity (HiFi) Headphone Drivers
Professional Audio Equipment
Analog and Digital Mixing Consoles
Audio Test and Measurement
High-End Blu-ray™ Players
High-End Audio and Video (A/V) Receivers

产品说明

The OPA1622, dual, bipolar-input, SoundPlus™ audio operational amplifier achieves a very low, 2.8-nV/√Hz noise density with an ultralow THD+N of –119.2 dB at 1 kHz, while driving a 32-Ω load at 100-mW output power. The OPA1622 offers extremely-high ac PSRR and CMRR specifications that eliminate noise from power supplies, making the OPA1622 ideal for use in portable-audio applications. This device also has a high output-drive capability of +145 mA / –130 mA.

The OPA1622 operates over a very wide supply range of ±2 V to ±18 V, on only 2.6 mA of supply current per channel. The OPA1622 op amp is unity-gain stable and provides excellent dynamic behavior over a wide range of load conditions. The OPA1622 includes a shutdown mode, allowing the amplifiers to be switched from normal operation to a standby current that is typically less than 5 µA. This shutdown feature is specifically designed to eliminate click and pop noise when transitioning into or out of shutdown mode.

The OPA1622 features a unique internal layout for lowest crosstalk, and freedom from interactions between channels, even when overdriven or overloaded. This device is specified from –40°C to +125°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
OPA1622	VSON (10)	3.00 mm × 3.00 mm

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