The OPA1641-Q1 (single) and OPA1642-Q1 (dual) series are JFET-input, ultra-low distortion, low-noise operational amplifiers (op amps) fully specified for audio applications.
The rail-to-rail output swing allows increased headroom, making these devices ideal for use in any audio circuit. Features include 5.1-nV/√Hz noise, low total harmonic distortion + noise (THD+N) (0.00005%), a low input bias current of 2 pA, and low quiescent current of 1.8 mA per channel.
These devices operate over a very wide supply voltage range of ±2.25 V to ±18 V. The OPA164x-Q1 series of operational amplifiers are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions.
The dual version features completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded.
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|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)|
|Vos (Offset Voltage @ 25C) (Max) (mV)|
|Iq per channel (Typ) (mA)|
|Vn at 1kHz (Typ) (nV/rtHz)|
|THD + N @ 1 kHz (Typ) (%)|
|Operating Temperature Range (C)|
|Output Current (Typ) (mA)|
|Package Size: mm2:W x L (PKG)|
|CMRR (Typ) (dB)|
|Input Bias Current (Max) (pA)|
|-40 to 125||-40 to 125||-40 to 85|
|VSSOP | 8||SOIC | 8||
SOIC | 8
VSSOP | 8
|8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)||8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)||
8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)
8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)
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