Products > Integrated Circuits (ICs) > Audio ICs > OPA1662
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Sound Plus Low-Power, Low-Noise and Distortion, Audio Op Amps

Manufacturer :
Texas Instruments, Inc
Product Categories :
Amplifiers , Operational Amplifiers (Op Amps) , Precision Op Amps
RoHs Status:
Lead free / RoHS Compliant

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OPA1662 Product Details

Sound Plus Low-Power, Low-Noise and Distortion, Audio Op Amps 8-SOIC -40 to 85

TM Low-Power, Low Noise and Distortion, Bipolar-Input AUDIO OPERATIONAL AMPLIFIERS

The OPA1662 (dual) and OPA1664 (quad) series of bipolar-input operational amplifiers achieve a low 3.3 nV/Hz noise density with an ultralow distortion at 1 kHz. The OPA1662 and OPA1664 series of op amps offer rail-to-rail output swing to within 600 mV with 2-k load, which increases headroom and maximizes dynamic range. These devices also have a high output drive capability of �30 mA. These devices operate over a very wide supply range V, on only mA of supply current per channel. The OPA1662 and OPA1664 op amps are unity-gain stable and provide excellent dynamic behavior over a wide range of load conditions. These devices also feature completely independent circuitry for lowest crosstalk and freedom from interactions between channels, even when overdriven or overloaded. The OPA1662 and OPA1664 from to +85�C. SoundPlusTM are specified

Low Noise: 3.3 nV/Hz at 1 kHz Low Distortion: at 1 kHz Low Quiescent Current: 1.5 mA per Channel Slew Rate: V/ s Wide Gain Bandwidth: 22 MHz = +1) Unity Gain Stable Rail-to-Rail Output Wide Supply Range: +36 V Dual and Quad Versions Available Small Package Sizes: Dual: SO-8 and MSOP-8 Quad: SO-14 and TSSOP-14


USB and Firewire Audio Systems Analog and Digital Mixers Portable Recording Systems Audio Effects Processors High-End A/V Receivers High-End DVD and Blu-RayTM Players HIGH-End Car Audio

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. SoundPlus is a trademark of Texas Instruments Incorporated. Blu-Ray is a trademark of Blu-Ray Disc Association. All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.


For the most current package and ordering information see the Package Option Addendum at the end of this document, or visit the device product folder at

Over operating free-air temperature range (unless otherwise noted).

OPA1662, OPA1664 Supply voltage, VS = (V+) � (V�) Input voltage Input current (all pins except power-supply pins) Output short-circuit (2) Operating temperature range Storage temperature range Junction temperature Human body model (HBM) ESD ratings Charged device model (CDM) Machine model (MM) �65 to (V�) 0.5 to (V+) 0.5 �10 Continuous kV V UNIT V mA

Stresses above these ratings may cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not supported. Short-circuit to VS/2 (ground in symmetrical dual supply setups), one amplifier per package.

= +25�C and 2 k, unless otherwise noted. VCM = VOUT = midsupply, unless otherwise noted.

OPA1662, OPA1664 PARAMETER AUDIO PERFORMANCE THD+N Total harmonic distortion + noise = 1 kHz, = 3 VRMS SMPTE/DIN two-tone, (60 Hz and 7 kHz) IMD Intermodulation distortion = 3 VRMS DIM 30 (3-kHz square wave and 15-kHz sine wave) CCIF twin-tone (19 kHz and 20 kHz) FREQUENCY RESPONSE GBW SR Gain-bandwidth product Slew rate Full power bandwidth (1) Overload recovery time Channel separation (dual and quad) NOISE en Input voltage noise Input voltage noise density to 20 kHz = 1 kHz = 1 kHz 100 Hz VPP nV/Hz pA/Hz = 1 kHz MHz V/s MHz % dB CONDITIONS MIN TYP MAX UNIT

OFFSET VOLTAGE VOS PSRR Input offset voltage Power-supply rejection ratio �18 V VCM 0 V VCM 0 V (V�) mV V/�C V/V

INPUT BIAS CURRENT IB IOS VCM CMRR Input bias current Input offset current nA
INPUT VOLTAGE RANGE Common-mode voltage range Common-mode rejection ratio (V+) V dB

INPUT IMPEDANCE Differential Common-mode OPEN-LOOP GAIN AOL OUTPUT VOUT IOUT ZO ISC CLOAD Output voltage Output current Open-loop output impedance Short-circuit current (3) Capacitive load drive 2 k (V�) + 0.6 (V+) mA pF Open-loop voltage gain (V�) V VO (V+) M pF

Full-power bandwidth SR/(2 � VP), where SR = slew rate. Specified by design and characterization. One channel at a time.

Technical Parameters

Architecture Bipolar Number of Channels(#) 2
CMRR(Min)(dB) 86 GBW(Typ)(MHz) 22
Features Burr-Brown™ Audio Vos (Offset Voltage @ 25C)(Max)(mV) 1.5
Offset Drift(Typ)(uV/C) 2 Rail to Rail Out
Rating Catalog CMRR(Typ)(dB) 100
Iq per channel(Max)(mA) 1.8 Vn at 1kHz(Typ)(nV/rtHz) 3.3
Operating Temperature Range(C) -40 to 85 Package Group SOIC,VSSOP
Input Bias Current(Max)(pA) 1200000 Total Supply Voltage(Max)(+5V=5, +/ 5V=10) 36
Total Supply Voltage(Min)(+5V=5, +/ 5V=10) 3 Slew Rate(Typ)(V/us) 17
Iq per channel(Typ)(mA) 1.5 Output Current(Typ)(mA) 40
Approx. Price (US$) 0.75 | 1ku

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