Product details

Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 GBW (Typ) (MHz) 22 Slew rate (Typ) (V/us) 17 Rail-to-rail Out Vos (offset voltage @ 25 C) (Max) (mV) 1.5 Iq per channel (Typ) (mA) 1.5 Vn at 1 kHz (Typ) (nV/rtHz) 3.3 Features THD + N @ 1 kHz (Typ) (%) 0.0002 Rating Automotive Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 40 Architecture Bipolar CMRR (Typ) (dB) 100 Input bias current (Max) (pA) 1200000
Number of channels (#) 2 Total supply voltage (Min) (+5V=5, +/-5V=10) 3 Total supply voltage (Max) (+5V=5, +/-5V=10) 36 GBW (Typ) (MHz) 22 Slew rate (Typ) (V/us) 17 Rail-to-rail Out Vos (offset voltage @ 25 C) (Max) (mV) 1.5 Iq per channel (Typ) (mA) 1.5 Vn at 1 kHz (Typ) (nV/rtHz) 3.3 Features THD + N @ 1 kHz (Typ) (%) 0.0002 Rating Automotive Operating temperature range (C) -40 to 85 Output current (Typ) (mA) 40 Architecture Bipolar CMRR (Typ) (dB) 100 Input bias current (Max) (pA) 1200000
SOIC (D) 8 19 mm² 4.9 x 3.9 VSSOP (DGK) 8 15 mm² 3 x 4.9
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 3: –40°C to 85°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Low Noise: 3.3 nV/√Hz at 1 kHz
  • Low Distortion: 0.00006% at 1 kHz
  • Low Quiescent Current: 1.5 mA per Channel
  • Slew Rate: 17 V/µs
  • Wide Gain Bandwidth: 22 MHz (G = 1)
  • Unity Gain Stable
  • Rail-to-Rail Output
  • Wide Supply Range: ±1.5 V to ±18 V,
    or 3 V to 36 V
  • Small Package Sizes:
    Dual: 8-Pin SOIC and VSSOP
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results
    • Device Temperature Grade 3: –40°C to 85°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Low Noise: 3.3 nV/√Hz at 1 kHz
  • Low Distortion: 0.00006% at 1 kHz
  • Low Quiescent Current: 1.5 mA per Channel
  • Slew Rate: 17 V/µs
  • Wide Gain Bandwidth: 22 MHz (G = 1)
  • Unity Gain Stable
  • Rail-to-Rail Output
  • Wide Supply Range: ±1.5 V to ±18 V,
    or 3 V to 36 V
  • Small Package Sizes:
    Dual: 8-Pin SOIC and VSSOP

The OPA1662-Q1 is a dual, bipolar-input operational amplifier which is well suited for premium audio external amplifier applications in infotainment and cluster systems. In audio systems, the main concern is to ensure a clear, quality output signal which means minimuzing any noise introduced to the signal. The OPA1662-Q1 offers low noise density with an ultra-low distortion of 0.00006% at 1 kHz that maximizes the signal output. Additionally, this op amp offers rail-to-rail output swing to within 600 mV with 2-kΩ load. The wide headroom ensures that the output signal does not clip, and therefore preserves the audio quality.

The OPA1662-Q1 operates over a very wide supply range of ±1.5 V to ±18 V, or 3 V to 36 V, on only 1.5 mA of supply current per channel. The wide supply range enables design flexibility for the device as it can be integrated from a power amplifier driven by the battery to being driven from an ADC to DAC for low-power applications. Additionally, this device also has a high-output drive capability of ±30 mA and can act as the sole audio amplifier for low-power applications, such as for cluster chimes.

The device also features completely independent circuitry for each of the two channels to enable low crosstalk and freedom from interactions between each channel, even when overdriven or overloaded. This feature enables customers to drive two different audio signals with ease of mind that the signals are not affected by each other.

The OPA1662-Q1 offers a wide bandwidth of 22 MHz and high slew rate of 17 V/µs which is applicable as a high and low side sensing for ripple currents in SMPS devices or motor drives. As a current sensor, the OPA1662-Q1 can be used as peak current mode control, with the op amps offering stability and enabling higher bandwidth for the system. The OPA1662-Q1 is applicable in body control modules and HEV or EV converters where motors typically are used.

The OPA1662-Q1 is a dual, bipolar-input operational amplifier which is well suited for premium audio external amplifier applications in infotainment and cluster systems. In audio systems, the main concern is to ensure a clear, quality output signal which means minimuzing any noise introduced to the signal. The OPA1662-Q1 offers low noise density with an ultra-low distortion of 0.00006% at 1 kHz that maximizes the signal output. Additionally, this op amp offers rail-to-rail output swing to within 600 mV with 2-kΩ load. The wide headroom ensures that the output signal does not clip, and therefore preserves the audio quality.

The OPA1662-Q1 operates over a very wide supply range of ±1.5 V to ±18 V, or 3 V to 36 V, on only 1.5 mA of supply current per channel. The wide supply range enables design flexibility for the device as it can be integrated from a power amplifier driven by the battery to being driven from an ADC to DAC for low-power applications. Additionally, this device also has a high-output drive capability of ±30 mA and can act as the sole audio amplifier for low-power applications, such as for cluster chimes.

The device also features completely independent circuitry for each of the two channels to enable low crosstalk and freedom from interactions between each channel, even when overdriven or overloaded. This feature enables customers to drive two different audio signals with ease of mind that the signals are not affected by each other.

The OPA1662-Q1 offers a wide bandwidth of 22 MHz and high slew rate of 17 V/µs which is applicable as a high and low side sensing for ripple currents in SMPS devices or motor drives. As a current sensor, the OPA1662-Q1 can be used as peak current mode control, with the op amps offering stability and enabling higher bandwidth for the system. The OPA1662-Q1 is applicable in body control modules and HEV or EV converters where motors typically are used.

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Design & development

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Simulation model

OPA1662 TINA-TI Reference Design (Rev. B)

SBOM735B.TSC (318 KB) - TINA-TI Reference Design
Simulation model

OPA1662 TINA-TI Spice Model (Rev. B)

SBOM736B.ZIP (10 KB) - TINA-TI Spice Model
Simulation model

OPA1662 PSpice Model (Rev. A)

SLOM462A.ZIP (14 KB) - PSpice Model
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
Reference designs

PMP11769 — 700-W Automotive External Audio Amplifier Reference Design

This reference design contains a boost converter that provides 36.0-V @ 10.0-A continuous / 20.0-A peak from an input voltage of 9 to 16 V. It contains two premium Class-D audio amplifiers which provide 2x 175-W @ 4-Ω load (left and right channel) and 1x 350-W @ 2-Ω (subwoofer). (...)
Package Pins Download
SOIC (D) 8 View options
VSSOP (DGK) 8 View options

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