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AS “АLFA RPAR” Joint Stock Company ALFA Riga, Latvia www.alfarzpp.lv; alfa@alfarzpp.lv 2018 v.5 1 AS3310 AS3310 - ADSR Voltage Controlled Envelope Generator FEATURES APPLICATIONS Large Time Control Range: 100,000:1 Full ADSR Response True RC Envelope Shape Exceptionally Low Control Voltage Feedthrough: 90µVmax Accurate Exponential Time Control Scales Isolated Control Inputs Good Repeatability and Tracking Between Units Without External Trim Independent Gate and Trigger Wide power supply range: negative rail: -15V ÷ -9V (via external resistor) positive rail: +11V ÷ +15V for electronic music AS3310 AS3310D РDIP-16 (300 Mil) SOIC-16 (150 Mil) General Description The AS3310 is a self -contained, precision ADSR type of envelope generator intended for electronic music and other sound generation applications. Attack, decay and release times are exponentially voltage controllable over a wide range, and the sustain level is linearly voltage controllable from 0 to 100% of the peak voltage Vp. All four control Inputs are Isolate d from the rest of the circuitry so that the control pins of tracking units may be simply tied together. On the negative power output, there is an internal Zener diode at 7.4 volts ± 10%, which allows the chip to supply a maximum voltage of ± 15 volts with a current -limiting resistor REE, and a minimum positive supp ly voltage of + 11 volts and a minimum negative supply voltage of -5 volts.. A series current limiting resistor must be added between pin 6 and the supply. Its value is calculated as follows: REE = (VEE - 7.5) / 0,010 Pin Information Circuit Block and Connection Diagram РDIP-16, SOIC-16 Pin No Pin Name Description
1 Cap Capacitor
2 Env Out Output
3 VP Attack Peak Input
4 Gate Gate Input
5 Trig Trigger Input
6 VEE Negative supply
7 Power
8 Ccomp Compensation
9 VCS Sustain Level
10 IIN Input Current
11 VCC Positive supply
12 VCD Decay Control
13 VCR Release Control
14 GND Ground
15 VCA Attack Control
16 Atk Out Attack Output
+15V VCS CM2 Q1 Q2 Q3 Q4 Q5 Q6 Q7 VZ 7.4V 4K3K Trig Trigger Input VEE REE Release Input* Input* Decay Control Attack Control Control Input** Sustain Level Control Input* RX 10K 30K 10K Buffer Output 1.3K 1 2 + - R S Q Q 76 8 Ccomp Power GND 10nF 470 Cap - 15V CX 39nF EnvOut VP Gate GateInput 10K 3nF 10K 750 470 470 7.4V 3 4 Input and Output Waveforms Trigger Gate Output Q1 Disabled V =5VP VCS +2.4V to VCC +2.4V to VCC *** * Zero to -5V Varies the Times from 2mS to 20S Zero to +5V Varies the Sustain Level from 0 to 100% *Q1 Disabled if only a gate is applied with no trigger
AS “АLFA RPAR” Joint Stock Company ALFA Riga, Latvia www.alfarzpp.lv; alfa@alfarzpp.lv 2018 v.5 2 AS3310 Typical Electrical Characteristics VCC=+15V VEE = -6,5 to -15V RX= 24K TA= 25°C Parameter Min. Typ. Max. Units Time Control Range 50 000:1 100 000:1 - Attack Asymptote Voltage (VZ) 6.5 7.0 7.5 V Attack Peak Voltage (VP) 4.7 5 5.5 V Attack Peak to Asymptote Tracking - 1.5 4 % Control Scale Sensitivity 58,5 60 61,5 mV/decade Tempco of Control Scale +3000 +3300 +3600 ppm ATK, DCY, RLS Scale Tracking -300 0 +300 µV/decade Exponential Full Scale Control Accuracy1 50nA < IO <50µA - 0.3 1.5 % 2nA < IO < 200µA - 2 10 % Attack C.V. Feedthrough2 Decay C.V. Feedlhrough2 Release C.V. Feedtnrough2 - 6 NONE NONE 90 µV Sustain Final Voltage Error (VO - VCS) -3 +10 +23 mV Release Final Voltage Error (VO) -3 +10 +23 mV RC Curve Asymptote Error3 VCA, VCD, VCR = 0 - -6 -60 µV VCA, VCD, VCR = -240mV - -125 -1250 mV Input Current (IIN) to Output Current (IO) Ratio, VCA, VCD, VCR = 0 5 Charge Current (ATK) 0.75 1 1.3 Discharge Current (DCY, RLS) 0.83 1 1.2 Buffer Input Current (IB2) - 0.5 5 nA Op Amp Input Current (IB1) 150 400 800 nA Gate Threshold 2 2.3 2.6 V Gate Input Current 5 25 100 µA Trigger Pullse Required to Trigger Envelope +1.1 +1.3 +1.5 V Trigger Input Impedance 2.4 3 4 KΩ Time Control Input Current 0.5 - 2500 nA Sustain Control Input Current 150 400 800 nA Attack Output Signal -0.4 -0.8 -1.2 V Output Current Sink Capability 0,42 0,56 0,7 mA Buffer Output Impedance 100 200 350 Ω Positive Supply Range +11 - +18 V Negative Supply Range 4 -4.5 - -18 V Supply Current 5.6 7.5 9.4 mA Note 1: Scale factor determined at mid-range. Spec represents total deviation from ideal at range extremities. Note 2: Output is at either sustain final voltage or release final voltage. VCA, VCD, VCR varies 0 to -240mV. Note 3: Spec represents the difference between the actual final voltages (attack asymptote voltage, sustain final voltage, and release final voltage in the case of attack, decay, and release respectively) and the apparent voltage to which the output seems to be approaching asymptotically. Note 4: Current limiting resistor required when VEE > -7 volts. Note 5: Spec also represents time constant variation between units for VCA, VCD, VCR = 0. Specifications subject to change without notice. Absolute Maximum Ratings Voltage Between VCC and VEE Pins Voltage Between VCC and GND Pins Voltage Between VEE and GND Pins Current Into VEE Pin Voltage Between Control and GND Pins Voltage to Gate and Trigger Input Pins Operating Temperature Range Storage Temperature Range 24V +18V -6.5V ±50mA ±6V VEE to VCC - 25°C to 75°C - 55°C to 150°C
AS “АLFA RPAR” Joint Stock Company ALFA Riga, Latvia www.alfarzpp.lv; alfa@alfarzpp.lv 2018 v.5 3 AS3310
Package Information
Units: inch (mm) Device type Package AS3310 РDIP-16 (300 Mil body) AS3310 D SOIC-16 (150 Mil) РDIP-16 (300 Mil) SOIC-16 (150Mil)
Revision history
27-Sep-2017 1 Preliminary version 1 21-Oct-2017 2 Minor changes: Ccomp=10nF 29-Nov-2017 3 Changes in supply and attack levels 19-Dec-2017 4 Changes in Description and Block Diagram 21-May-2018 5 Minor changes