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SSM2018P from ADI,Analog Devices

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SSM2018P

Manufacturer: ADI, AD

Trimless Voltage Controlled Amplifier

Partnumber Manufacturer Quantity Availability
SSM2018P ADI, AD 211 In Stock

Description and Introduction

Trimless Voltage Controlled Amplifier specifications apply at T = 25C.)AParameter Conditions Min Typ Max Max (E Grade) UnitAUDIO PERFORMANCENoise V = GND, 20 kHz Bandwidth –95 –93 dBuINHeadroom Clip Point = 1% THD + N 22 dBuTotal Harmonic Distortion plus Noise 2nd and 3rd Harmonics Only(25∞Cto85∞C)A = 0 dB, V = +10 dBu 0.006 0.020 0.01 %V INA = +20 dB, V = –10 dBu 0.013 0.03 0.02 %V INA = –20 dB, V = +10 dBu 0.013 0.03 0.02 %V ININPUT AMPLIFIERBias Current V = 0 V 0.25 1 mACMOffset Voltage V = 0 V 1 15 mVCMOffset Current V = 0 V 10 100 nACMInput Impedance 4 MWCommon-Mode Range ±13 VGain Bandwidth VCA Configuration 0.7 MHzVCP Configuration 14 MHzSlew Rate 5V/msOUTPUT AMPLIFIEROffset Voltage V = 0 V, V = 4 V 1.0 15 mVIN COutput Voltage Swing I = 1.5 mAOUTPositive 10 13 VNegative –10 –14 VMinimum Load Resistance For Full Output Swing 9 kWCONTROL PORTBias Current 0.36 1 mAInput Impedance 1 MWGain Constant Device Powered in Socket > 60 sec –30 mV/dBGain Constant Temperature Coefficient –3500 ppm/∞CControl Feedthrough 0 dB to –40 dB Gain Range ±1 ±4 ±3mVMaximum Gain V = –1.3 V 40 mVCMaximum Attenuation V = 4 V 100 dBCPOWER SUPPLIESSupply Voltage Range ±5 ±18 VSupply Current 11 15 mAPower Supply Rejection Ratio 80 dB

Application Scenarios & Design Considerations

Trimless Voltage Controlled Amplifier

Alternative Part Number

  • THAT2180A --: Pin-compatible VCA replacement for the SSM2018 with comparable noise and distortion performance, widely used as a drop-in substitute.
  • THAT2181A --: Similar VCA in the same family with improved specs, suitable where slightly different gain characteristics are acceptable.
  • LM13700N --: Dual operational transconductance amplifier that can implement VCA functions in a redesign, though not a direct drop-in replacement.
  • VCA810A --: Wideband voltage-controlled amplifier offering similar gain-control functionality; requires minor circuit adjustment but is a feasible functional alternative.

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