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SSM2135:  Dual Single-Supply Audio Operational Amplifier

The SSM2135 dual audio operational amplifier permits excel-lent performance in portable or low power audio systems, with an operating supply range of 4 V to 36 V or ±2 V to ±18 V. The unity-gain stable device has very low voltage noise of 5.2 nV/√Hz, and total harmonic distortion plus noise below 0.01% over normal signal levels and loads. Such characteristics are enhanced by wide output swing and ...More

SSM2135:  Dual Single-Supply Audio Operational Amplifier

Product Description

The SSM2135 dual audio operational amplifier permits excel-lent performance in portable or low power audio systems, with an operating supply range of 4 V to 36 V or ±2 V to ±18 V. The unity-gain stable device has very low voltage noise of 5.2 nV/√Hz, and total harmonic distortion plus noise below 0.01% over normal signal levels and loads. Such characteristics are enhanced by wide output swing and load drive capability. A unique output stage1 permits output swing approaching the rail under moderate load conditions. Under severe loading, the SSM2135 still maintains a wide output swing with ultralow distortion. Particularly well suited for computer audio systems and portable digital audio units, the SSM2135 can perform preamplification, headphone and speaker driving, and balanced line driving and receiving. Additionally, the device is ideal for input signal conditioning in single-supply, Σ-Δ, analog-to-digital converter subsystems such as the AD1877. The SSM2135 makes an ideal single-supply stereo output amplifier for audio digital-to-analog converters (DACs) because of its low noise and distortion.

The SSM2135 is available in an 8-lead plastic SOIC package and is guaranteed for operation over the extended industrial temperature range of −40°C to +85°C.

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  • Excellent sonic characteristics
  • High output drive capability
  • 5.2 nV/√Hz equivalent input noise @ 1 kHz
  • 0.003% THD + N (VOUT = 1 V p-p @ 1 kHz)
  • 3.5 MHz gain bandwidth
  • Unity-gain stable
  • Low cost
  • Iq per Amplifier: 3.8mA
  • # OpAmps per Pkg: 2
  • Operating Temp Range: -40 to +85
  • Packages: SOIC
  • -3dB Bandwidth: 3.5MHz
  • Slew Rate: 600mV/µs
  • Vos: 200µV
  • Ib: 300nA
  • Input Noise (nV/rtHz): 5.2nV/rtHz
  • Vcc-Vee Supply (V): 4 to 36

SSM2135 Functional Block Diagram

Similar Products

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Part# Small Signal Bandwidth Slew Rate Vos Ib V Noise Density Amplifiers Per Package Widest Temp Range (°C)
SSM2135 3.5MHz 600mV/µs 200µV 300nA 5.2nV/rtHz 2 -40 to +85
OP284 4.25MHz 4V/µs 175µV 80nA 3.9nV/rtHz 2 -40 to +125
OP270 5MHz 2.4V/µs 50µV 15nA 3.2nV/rtHz 2 -55 to +125
AD8599 10MHz 16.8V/µs 10µV 25nA 1.15nV/rtHz 2 -40 to +125
AD8676 10MHz 2.5V/µs 12µV 500pA 2.8nV/rtHz 2 -40 to +125
AD8672 10MHz 4V/µs 20µV 3nA 2.8nV/rtHz 2 -40 to +125
AD8656 28MHz 11V/µs 50µV 10pA 4nV/rtHz 2 -40 to +125
AD8652 50MHz 41V/µs 100µV 1pA 5nV/rtHz 2 -40 to +125
AD797 8MHz 20V/µs 25µV 250nA 900pV/rtHz 1 -40 to +85
OP37 12MHz 17V/µs 30µV 15nA 3.2nV/rtHz 1 -40 to +85
OP285 9MHz 22V/µs 35µV 100nA 6nV/rtHz 2 -40 to +85
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The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

For detailed drawings and chemical composition please consult our  Package Site

Pin Count
Pin Count is the number of pins, balls, or pads on the device. Pin-out diagrams & pin function descriptions may be found in the datasheet.

Temperature Range
This is the acceptable operating range of the device. The various ranges specified are as follows:
  • Commercial: 0 to +70 degrees Celsius
  • Military : -55 to +125 degrees Celsius
  • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
  • Automotive: -40 to +125 degrees Celsius
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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.