Texas Instruments OPA1688
The OPA1688 36-V, single-supply, low-noise SoundPlus™ audio operational amplifier is capable of operating on supplies ranging from 4.5 V (±2.25 V) to 36 V (±18 V). This latest addition of a high-voltage audio operational amplifier in conjunction with the OPA16xx devices provide a family of bandwidth, noise, and power options to meet the needs of a wide variety of applications. The OPA1688 is available in a WSON micropackage, and offers low offset, drift, and quiescent current.| Part No. | OPA1688 |
|---|---|
| Datasheet | OPA1688 Download |
| Manufacturer |  Texas Instruments |
| Description | SoundPlus 36-V Single-Supply 10-MHz Rail-to-Rail Output Operational Amplifiers |
| Buy | Stock & Price |
FEATURES
● THD+N, 50 mW, 32 Ω, 1 kHz, –109 dB● Wide supply range: – 4.5 V to 36 V, ±2.25 V to ±18 V
● Low offset voltage: ±0.25 mV
● Low offset drift: ±0.5 µV/°C
● Gain bandwidth: 10 MHz
● Low input bias current: ±10 pA
● Low quiescent current: 1.6 mA per amplifier
● Low noise: 8 nV/√Hz
● EMI- and RFI-filtered inputs
● Input range includes negative supply
● Input range operates to positive supply
● Rail-to-rail output
● High common-mode rejection: 120 dB
● Packages: – Industry-standard SOIC-8 – micro WSON-8 2
APPLICATIONS
● Professional microphones and wireless systems● Professional audio mixer and control surface
● Guitar amp and other music instrument amps
● A/V receiver
● Bookshelf stereo system
● Professional audio amplifier (rack mount)
● DJ equipment
● Turntable
● Special function module ROUT VAC R1 768 ¢ VDC VAC ROUT R3 768 ¡ Audio DAC ROUT R4 750 C1 47pF R2 750 £ –5 V – + + OPA1688 5V Headphone Output C2 47pF Headphone Amplifier Circuit Configuration 3
DESCRIPTION
This device also offers wide bandwidth, fast slew rate, and high output current drive capability.
