0
ACTIVE
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 |
SOIC (D)-8-29.4 mm² 4.9 x 6
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.
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