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TI OPA1678IDGKTRoHS

Manufacturer
TI
MPN
OPA1678IDGKT
LCSC Part #
C134116
Packaging
VSSOP-8
Customer #
Key Attributes
OPA167x Low-Distortion Audio Operational Amplifiers
Datasheetpdf iconTI OPA1678IDGKT
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.813$ 0.81
10+$ 0.6572$ 6.57
30+$ 0.581$ 17.43
250+$ 0.4722$ 118.05
500+$ 0.4268$ 213.40
1,000+$ 0.4041$ 404.10
Standard Packaging250/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingVSSOP-8
Number of Channels2
Vos - Input Offset Voltage500uV
Slew Rate9V/us
Input Offset Current(Ios)10pA
Input offset current drift(Ios TC)-
FeaturesBuilt-in compensation;ESD protection
Operating Temperature-40℃~+85℃
Ib - Input Bias Current10pA
Common Mode Rejection Ratio(CMRR)110dB
Output Current50mA
Maximum Power Supply Range (Vdd-Vss)36V
Input Offset Voltage Drift(Vos TC)2uV/℃
Gain Bandwidth Product16MHz
Quiescent Current2mA
Input Voltage Noise Density4.5nV/√Hz@1kHz
Rail to RailRail-to-rail output
Dual Supply-18V~-2.25V;2.25V~18V
Single Supply4.5V~36V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging250
Sales UnitPiece

Introduction

AI Translation

The OPA1678 (dual-channel) and OPA1679 (quad-channel) operational amplifiers offer higher system-level performance compared to traditional operational amplifiers commonly used in audio circuits. The OPA167x amplifiers achieve a low noise density of 4.5 nV/√Hz and a low distortion of 0.0001% at 1 kHz, thereby improving audio signal fidelity. They also provide a rail-to-rail output swing within an 800-mV range under a 2-kΩ load, increasing headroom and maximizing the dynamic range. The OPA1678 and OPA1679 can operate over an extremely wide power supply voltage range from ±2.25 V to ±18 V and also operate with a supply current of only 2 mA (4.5 V to 36 V), making them adaptable to the power supply limitations of many types of audio products. These operational amplifiers are unity-gain stable and offer excellent dynamic behavior over a wide range of load conditions, enabling their use in many audio circuits. The OPA167x amplifiers use fully independent internal circuits to minimize crosstalk and are immune to inter-channel interactions even during overdrive or overload. The OPA167x is rated for a temperature range from -40°C to +85°C.

Features

AI Translation
  • Low noise: 4.5nV/√Hz at 1kHz
  • Low distortion: 0.0001% at 1kHz
  • High open-loop gain: 114dB
  • High common-mode rejection: 110dB
  • Low quiescent current: 2mA per channel
  • Low input bias current: 10pA (typical)
  • Slew rate: 9V/μs
  • Wide gain bandwidth: 16MHz (G = 1)
  • Unity-gain stable
  • Rail-to-rail output
  • Wide supply voltage range: ±2.25V to ±18V or 4.5V to 36V
  • Dual and quad versions available
  • Compact package options: Dual: SO-8 and MSOP-8; Quad: SO-14 and TSSOP-14

Applications

AI Translation
  • Analog signal conditioning
  • Analog and digital mixers
  • Audio effects pedals
  • A/V receivers
  • Automotive audio systems