OPA1622 SoundPlus™ Audio Operational Amplifier with High Performance, Low THD+N and Bipolar Input | TI.com

OPA1622 (ACTIVE)

SoundPlus™ Audio Operational Amplifier with High Performance, Low THD+N and Bipolar Input

 

Recommended alternative parts

  • INA1620  -  Includes matched resistor arrays and input EMI filtering

The OPA1622 is the newest addition to the Burr-Brown™ Audio line.

Description

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.

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

Parametrics

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Part number Order Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) Features THD + N @ 1 kHz (Typ) (%) Rating Operating temperature range (C) Package Group Output current (Typ) (mA) Package size: mm2:W x L (PKG) Architecture CMRR (Typ) (dB) Input bias current (Max) (pA)
OPA1622 Order now 2     4     36     32     10     No     0.5     2.6     2.8     Burr-Brown™ Audio
High Cload Drive
Premium Sound
Shutdown
Small Size    
0.000018     Catalog     -40 to 125     VSON | 10     145     10VSON: 9 mm2: 3 x 3 (VSON | 10)     Bipolar     127     2000000    
INA1620 Order now 2     4     36     32     10     No     0.5     2.6     2.8     Burr-Brown™ Audio
High Cload Drive
Premium Sound
Shutdown
Small Size    
0.000018     Catalog     -40 to 125     WQFN | 24     145     24WQFN: 16 mm2: 4 x 4 (WQFN | 24)     Bipolar     127     2000000    
OPA1612 Order now 2     5     36     40     27     Out     0.5     3.6     1.1     Burr-Brown™ Audio
Premium Sound
Small Size    
0.000015     Catalog     -40 to 85     SOIC | 8
SON | 8    
55     8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
See datasheet (SON)    
Bipolar     120     250000    
OPA1652 Order now 2     4.5     36     18     10     Out     1.5     2     4.5     Burr-Brown™ Audio
Small Size    
0.00005     Catalog     -40 to 85     SOIC | 8
SON | 8
VSSOP | 8    
50     8SOIC: 19 mm2: 3.91 x 4.9 (SOIC | 8)
See datasheet (SON)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)    
CMOS     110     100    
OPA1688 Order now 2