OPA1642AIDGKT Amplifier IC
Chips Dual SoundPlus™ High Performance JFET-Input Audio Op Amp
Package VSSOP-8
Description
The OPA1641 (single), OPA1642 (dual), and OPA1644 (quad) series are
JFET-input, ultralow distortion, low-noise operational amplifiers
fully specified for audio applications.
The OPA1641, OPA1642, and OPA1644 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 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 OPA1641, OPA1642, and OPA1644 series of
operational amplifiers are unity-gain stable and provide excellent
dynamic behavior over a wide range of load conditions.
The dual and quad versions feature completely independent circuitry
for lowest crosstalk and freedom from interactions between
channels, even when overdriven or overloaded.
The OPA1641, OPA1642, and OPA1644 are specified from –40°C to
+85°C.
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