OPA1656 Texas instruments

OPA1656

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OPA1656

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Описание

The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The FET-input architecture achieves a low 2.9‑nV/√Hz voltage noise density and 6‑fA/√Hz current noise density, allowing for very-low noise performance in a wide variety of circuits. The high bandwidth and high open-loop-gain design of the OPA165x delivers a low distortion of 0.000035% (–129 dB) at 20 kHz, and improves audio signal fidelity across the full audio bandwidth. These devices also feature excellent output current drive capability, offering rail-to-rail output swing to within 250 mV of the power supplies with a 2‑kΩ load, and can deliver 100 mA of output current.The OPA165x operate over a very wide supply range of ±2.25 V to ±18 V or (4.5 V to 36 V) on 3.9 mA of supply current to accommodate the power-supply constraints of many types of audio products. The temperature range is specified from –40°C to +125°C.

Ultra-low noise:
- Voltage noise: 2.9 nV/√Hz at 10 kHz
- Current noise: 6 fA/√Hz at 1 kHz
Low distortion:
- 0.000029% (–131 dB) at 1 kHz
- 0.000035% (–129 dB) at 20 kHz
High open-loop gain: 150 dB
High output current: 100 mA
Low input bias current: 10 pA
Slew rate: 24 V/µs
Gain bandwidth product: 53 MHz
Rail-to-rail output
Wide supply range: ±2.25 V to ±18 V or 4.5 V to 36 V
Quiescent current: 3.9 mA per channel

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)	53
Slew rate (typ) (V/µs)	24
Rail-to-rail	Out
Vos (offset voltage at 25°C) (max) (mV)	1
Iq per channel (typ) (mA)	3.9
Vn at 1 kHz (typ) (nV√Hz)	4.3
Features	Burr-Brown™ Audio, Premium Sound
THD + N at 1 kHz (typ) (%)	0.000029
Rating	Catalog
Operating temperature range (°C)	-40 to 125
Iout (typ) (A)	0.1
Product type	Premier
Architecture	CMOS
CMRR (typ) (dB)	120
Input bias current (max) (pA)	20