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CED Sound Semiconductor P Q SSI2131 Integrated Circuit SSI2131 VCO Sound Semiconductor P13094684CED-P-Q-SSI2131 https://cdnimages.opentip.com/full/CED/CED-P-Q-SSI2131.jpg Sound Semiconductor P Q SSI2131 Integrated Circuit SSI2131 VCO Sound Semiconductor Manufacturer Part Number: P-Q-SSI2131The FatKeys™ SSI2131 Voltage Controlled Oscillator provides the core VCO function with buffered triangle, sawtooth, and variable-width pulse waveform outputs over a ten-octave range. The device offers unparalleled temperature stability, exponentiality, waveform integrity, and ease of use while requiring an absolute minimum of external components.The SSI2131 is a new-generation voltage controlled oscillator for high-performance electronic musical instruments and other systems requiring accurate audio-band waveform generation. The device offers unprecedented levels of temperature stability, exponentiality, waveform integrity, and ease of use. Buffered voltage outputs include triangle, sawtooth, and pulse with PWM control.A precision analog multiplier provides temperature stability, and careful attention was paid to improvement of triangle and sawtooth waveform accuracy compared to previous generation VCO IC\'s.Optional trims are possible for exponential scale and high frequency tracking which can be automated by CPU-calibrat- ed systems. The SSI2131 requires an absolute minimum of external components and is available in an easy-to-use 16-lead SOP package.For equivalent VCO performance with more features, please see the SSI2130 which adds an integrated five-channel mixer, open-collector square output, sine wave generator, and through-zero FM/PM capability.Features:High Performance Synth Voice Front-EndTriangle, Saw, and Pulse with PWM ControlUnprecedented Temperature StabilityHigh-Integrity WaveformsSuperb Exponential ResponseBuffered Waveform OutputsExtremely Low External Component CountEasy-to-Use 16-Lead SOP PackageMeasurements and Specs Absolut Max.Lead Temperature Range (Soldering, 10 sec)260°C Absolut Max. Negative Supply Voltage-18 V Absolut Max. Operating Temperature Range-40°C to +85°C Absolut Max. Positive Supply Voltage+5.25 V Absolut Max. Storage Temperature Range-65°C to +150°C Max Supply Voltage Range - Negative-18 V Max Supply Voltage Range - Positive+5.25 V Max VREF Range2.51 V Min Supply Voltage Range - Negative-4.75 V Min Supply Voltage Range - Positive+4.75 V Min VREF Range2.49 V Package16-Lead SOP Typ Expo. Conv. Control Constant - Expo20 µA/Oct Typ Expo. Conv. Exponential Conformity0.3% Typ Expo. Conv. Exponential Scale Factor Drift200 ppm/°C Typ Expo. Conv. Multiplier Input Bias Current10 nA Typ Expo. Conv. Multiplier Offset0.5 mV Typ Osc. Sync Hard Sync Lower Threshold1.0 V Typ Osc. Sync Hard Sync Upper Threshold1.55 V Typ Osc. Sync Soft Sync Input Resistance5 kΩ Typ Pulse/PWM Fall Time125 ns Typ Pulse/PWM Lower Level-34 mV Typ Pulse/PWM Maximum Output Source Current6 mA Typ Pulse/PWM PWM Bias Current40 nA Typ Pulse/PWM Rise Time70 ns Typ Pulse/PWM Upper Level2.5 V Typ Saw Discharge Time1.6 µs Typ Saw Lower Level0 V Typ Saw Maximum Output Current6 mA Typ Saw Upper Level2.5 V Typ Supply Current - Negative-2.90 mA Typ Supply Current - Positive3.75 mA Typ Supply Voltage Range - Positive+5 V Typ Tri. Lower Level0 V Typ Tri. Maximum Output Sink Current1 mA Typ Tri. Maximum Output Source Current6 mA Typ Tri. Upper Level2.5 V Typ VCO Frequency Sweep Range1000:1 Typ VCO Maximum Charging Current1.2 mA Typ VCO Maximum Operating Frequency60 kHz Typ VREF Current Consumption100 mA Typ VREF Range2.5 V Packaging Dimensions0.396 in. × 0.233 in. × 0.056 in. Weight (Packaging)0.001 lbs. Files DatasheetAll Models 13094684 841358115752 0.0200lbs 0.00 0.00 0.00
Sound Semiconductor
6.30 2025-04-26 In Stock
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Sound Semiconductor P-Q-SSI2131 Integrated Circuit - SSI2131, VCO, Sound Semiconductor

Brand Sound Semiconductor
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UPC: 841358115752
SKU: CED-P-Q-SSI2131
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Product Description

Manufacturer Part Number: P-Q-SSI2131

The FatKeys™ SSI2131 Voltage Controlled Oscillator provides the core VCO function with buffered triangle, sawtooth, and variable-width pulse waveform outputs over a ten-octave range. The device offers unparalleled temperature stability, exponentiality, waveform integrity, and ease of use while requiring an absolute minimum of external components.

The SSI2131 is a new-generation voltage controlled oscillator for high-performance electronic musical instruments and other systems requiring accurate audio-band waveform generation. The device offers unprecedented levels of temperature stability, exponentiality, waveform integrity, and ease of use. Buffered voltage outputs include triangle, sawtooth, and pulse with PWM control.

A precision analog multiplier provides temperature stability, and careful attention was paid to improvement of triangle and sawtooth waveform accuracy compared to previous generation VCO IC's.

Optional trims are possible for exponential scale and high frequency tracking which can be automated by CPU-calibrat- ed systems. The SSI2131 requires an absolute minimum of external components and is available in an easy-to-use 16-lead SOP package.

For equivalent VCO performance with more features, please see the SSI2130 which adds an integrated five-channel mixer, open-collector square output, sine wave generator, and through-zero FM/PM capability.

Features:

  • High Performance Synth Voice Front-End
  • Triangle, Saw, and Pulse with PWM Control
  • Unprecedented Temperature Stability
  • High-Integrity Waveforms
  • Superb Exponential Response
  • Buffered Waveform Outputs
  • Extremely Low External Component Count
  • Easy-to-Use 16-Lead SOP Package


Measurements and Specs




Files

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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