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Datasheet Texas Instruments OPA1632DGNG4

Datasheet Texas Instruments OPA1632DGNG4

ManufacturerTexas Instruments
Part NumberOPA1632DGNG4

Fully Differential I/O Audio Amplifier 8-MSOP-PowerPAD -40 to 85


  • Download » Datasheet, PDF, 1.2 Mb, Revision: C, 10-29-2015, File uploaded 03-21-2018
    OPA1632 High-Performance, Fully-Differential Audio Operational Amplifier datasheet
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    SBOS286C – DECEMBER 2003 – REVISED OCTOBER 2015 OPA1632 High-Performance, Fully-Differential Audio Operational Amplifier
    1 Features 3 Description The OPA1632 is a fully-differential amplifier designed
    for driving high-performance audio analog-to-digital
    converters (ADCs). It provides the highest audio
    quality, with very low noise and output drive
    characteristics optimized for this application. The
    OPA1632’s excellent gain bandwidth of 180 MHz and
    very fast slew rate of 50 V/μs produce exceptionally
    low distortion. Very low input noise of 1.3 nV/√Hz
    further ensures maximum signal-to-noise ratio and
    dynamic range. 1 Superior Sound Quality
    Ultra Low Distortion: 0.000022%
    Low Noise: 1.3 nV/√Hz
    High Speed:
    – Slew Rate: 50 V/μs
    – Gain Bandwidth: 180 MHz
    Fully Differential Architecture: ...


Family: OPA1632


Lifecycle StatusActive (Recommended for new designs)
Manufacture's Sample AvailabilityYes


Package TypeDGN
Industry STD TermHVSSOP
Package QTY80
Device Marking1632
Width (mm)3
Length (mm)3
Thickness (mm)1.02
Pitch (mm).65
Max Height (mm)1.1
Mechanical DataDownload »


Additional FeaturesBurr-Brown™ Audio,Shutdown
ArchitectureVoltage FB
CMRR(Typ)90 dB
GBW(Typ)180 MHz
Input Bias Current(Max)200000 pA
Iq per channel(Max)17.1 mA
Iq per channel(Typ)14 mA
Number of Channels1
Operating Temperature Range-40 to 85 C
Output Current(Typ)85 mA
Package GroupMSOP-PowerPAD
Package Size: mm2:W x L8MSOP-PowerPAD: 15 mm2: 4.9 x 3(MSOP-PowerPAD) PKG
Slew Rate(Typ)50 V/us
THD + N @ 1 kHz(Typ)0.000022 %
Total Supply Voltage(Max)30 +5V=5, +/-5V=10
Total Supply Voltage(Min)5 +5V=5, +/-5V=10
Vn at 1kHz(Typ)1.3 nV/rtHz
Vos (Offset Voltage @ 25C)(Max)3 mV

Eco Plan


Design Kits & Evaluation Modules

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    ADS1282-SP Radiation Tolerant Evaluation Module
    Lifecycle Status: Active (Recommended for new designs)
  • Evaluation Modules & Boards: TPA3221EVM
    TPA3221 100W Stereo/ 200W Mono HD Analog-In Class-D Amplifier Evaluation Module
    Lifecycle Status: Active (Recommended for new designs)

Application Notes

  • Download » Application Notes, PDF, 571 Kb, 07-14-2009
    Using infinite-gain, MFB filter topology in fully differential active filters
  • Download » Application Notes, PDF, 295 Kb, 03-11-2005
    Analysis of fully differential amplifiers
  • Download » Application Notes, PDF, 2.1 Mb, 07-14-2009
    Q3 2009 Issue Analog Applications Journal
  • Download » Application Notes, PDF, 867 Kb, Revision: E, 09-19-2016
    Fully-Differential Amplifiers (Rev. E)
    Differential signaling has been commonly used in audio, data transmission, and telephone systems for many years because of its inherent resistance to external noise sources. Today, differential signaling is becoming popular in high-speed data acquisition, where the ADC’s inputs are differential and a differential amplifier is needed to properly drive them.Two other advantages of di
  • Download » Application Notes, PDF, 277 Kb, 03-02-2005
    Designing for low distortion with high-speed op amps
  • Download » Application Notes, PDF, 69 Kb, Revision: A, 03-30-2005
    Compensate Transimpedance Amplifiers Intuitively (Rev. A)
    Transimpedance amplifiers are used to convert low-level photodiode currents to usable voltage signals. All too often, the amplifiers have to be empirically compensated to operate properly. The problem can be easily understood if one looks at all the elements involved.
  • Download » Application Notes, PDF, 256 Kb, Revision: A, 01-17-2005
    Noise Analysis for High Speed Op Amps (Rev. A)
    As system bandwidths have increased, an accurate estimate of the noise contribution for each element in the signal channel has become increasingly important. Many designers are not, however, particularly comfortable with the calculations required to predict the total noise for an op amp, or in the conversions between the different descriptions of noise. Considerable inconsistency between manufactu
  • Download » Application Notes, PDF, 44 Kb, 10-02-2000
    Tuning in Amplifiers
    Have you ever had the experience of designing an analog gain block with an amplifier that is specified to be unity gain stable only to find that it is oscillating out of control in your circuit? Or have you ever replaced a stable voltage feedback amplifier with a current feedback amplifier to find that the current feedback amplifier immediately oscillates when placed in the amplifier socket? Oscil
  • Download » Application Notes, PDF, 77 Kb, 10-02-2000
    Single-Supply Operation of Operational Amplifiers
    Operation of op amps from single supply voltages is useful when negative supply voltages are not available. Furthermore, certain applications using high voltage and high current op amps can derive important benefits from single supply operation.
  • Download » Application Notes, PDF, 76 Kb, 10-02-2000
    Op Amp Performance Analysis
    This bulletin reflects the analysis power gained through knowledge of an op amp circuit's feedback factor. Feedback dictates the performance of an op amp both in function and in quality. The major specifications of the amplifier descibe an open-loop device awaiting feedback direction of the end circuit's function. Just how well the amplifier performs the function reflects through the feedback inte

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Series: OPA1632 (8)

Manufacturer's Classification

  • Semiconductors > Amplifiers > Operational Amplifiers (Op Amps) > Audio Op Amps
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