OPA1642-Q1 Texas instruments

OPA1642-Q1

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OPA1642-Q1

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Описание

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.

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C6
Low Noise: 5.1 nV/√Hz at 1 kHz
Ultra-low Distortion: 0.00005% at 1 kHz
High Slew Rate: 20 V/µs
Unity Gain Stable
No Phase Reversal
Low Quiescent Current:
1.8 mA per Channel
Rail-to-Rail Output
Wide Supply Range: ±2.25 V to ±18 V
Single, Dual, and Quad Versions Available

Number of channels	2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4.5
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
GBW (typ) (MHz)	11
Slew rate (typ) (V/µs)	20
Rail-to-rail	In to V-, Out
Vos (offset voltage at 25°C) (max) (mV)	3.5
Iq per channel (typ) (mA)	1.8
Vn at 1 kHz (typ) (nV√Hz)	5.1
Features	Burr-Brown™ Audio, Premium Sound
THD + N at 1 kHz (typ) (%)	0.00005
Rating	Automotive
Operating temperature range (°C)	-40 to 125
Architecture	FET
CMRR (typ) (dB)	126
Input bias current (max) (pA)	20