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Product Description
Manufacturer Part Number: P-Q-AS3109D
The AS3109 is Alfa's version of the Roland IR3109 VCF in an SOIC package. The AS3109 is a high performance voltage controlled four-pole filter. The four independent sections may be interconnected to provide a wide variety of filter responses, such as low pass, high pass, band pass and all pass. A single input exponentially controls the frequency over a range greater than 15 octaves with little control voltage feedthrough. AS3109 features high input impedance buffers.
Features
Applications
Measurements and Specs
Files
The AS3109 is Alfa's version of the Roland IR3109 VCF in an SOIC package. The AS3109 is a high performance voltage controlled four-pole filter. The four independent sections may be interconnected to provide a wide variety of filter responses, such as low pass, high pass, band pass and all pass. A single input exponentially controls the frequency over a range greater than 15 octaves with little control voltage feedthrough. AS3109 features high input impedance buffers.
Features
- Voltage controllable range - 15 octaves
- Accurate exponential frequency scale
- High input impedance buffers
- Wide transconductance range
- Low input offset voltage
- Low control voltage feedthrough - 45 dB typical
Applications
- For electronic music
Measurements and Specs
| Cut-off frequency of filter stage, VC = 0 | 250 Hz | |
| Max. Control voltage for 15 octave frequency range | +160 mV | |
| Max. Current through Any Pin | ±40mA | |
| Max. Frequency control error | 10 % | |
| Max. Negative power supply | -18 V | |
| Max. Operating Temperature Range | -25°C to 75°C | |
| Max. Positive power supply | +18 V | |
| Max. Sensitivity of control voltage | -20.5 mV/octave | |
| Max. Storage Temperature Range | -55°C to 120°C | |
| Max. Voltage Between Control Pin and GND Pin | ±6V | |
| Max. Voltage Between Inputs and GND Pin | ±6V | |
| Max. Voltage Between VCC and GND Pins | +18V, -0.5V | |
| Max. Voltage Between VCC and VEE Pins | +36V, -0.5V | |
| Max. Voltage Between VEE and GND Pins | -18V, +0.5V | |
| Min. Control voltage for 15 octave frequency range | -140 mV | |
| Min. Frequency control range | 15 octaves | |
| Min. Maximum output positive current of buffer (filter stage 2) | 1 mA | |
| Min. Maximum output positive current of buffer (filter stage 4) | 1.3 mA | |
| Min. Maximum positive output current of buffer (filter stages 1 and 3) | 0.6 mA | |
| Min. Negative power supply | -10 V | |
| Min. Positive power supply | +10 V | |
| Min. Sensitivity of control voltage | -17.5 mV/octave | |
| Tempco of frequency control | 0.33 %/ºC | |
| Typ. Buffer voltage slew rate | 25 V/µsec | |
| Typ. Current consumption, VC = 0 | 7.5 mA | |
| Typ. Frequency control , input current | 30 nA | |
| Typ. Frequency control error | 4 % | |
| Typ. Maximum current consumption, VC = -200 mV | 13 mA | |
| Typ. Maximum output voltage , RL=50K | ±10 V | |
| Typ. Sensitivity of control voltage | -19 mV/octave | |
| Typ. Voltage offset of filter stage, VC=0 | -12 mV | |
| Typ. Voltage offset of serially connected 4 filter stages, VC=0 | ±0.2 mV |
| Packaging Dimensions | 0.395 in. × 0.259 in. × 0.074 in. | |
| Weight (Packaging) | 0.001 lbs. |
Files
 Datasheet | All Models |
Attention CA Residents: Prop 65 Warning
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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