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2181 Blackmer® Voltage-Controlled Amplifier ICs

THAT Corporation 2181 Blackmer® Voltage-Controlled Amplifier ICs are high-performance current-in/current-out devices. The ICs feature two opposing polarity, voltage-sensitive control ports, and offer wide-range exponential control of gain and attenuation with low signal distortion. The parts are selected after packaging based primarily on after-trim THD and control-voltage feedthrough performance.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Class	THD plus Noise	Package/Case	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Series	Packaging
	Audio Amplifiers Trimmable VCA .008% THD 2181BS08-U THAT 1: €8.55 2,457On Order End of Life	Mfr. Part No. 2181BS08-U Mouser Part No 887-2181BS08-U End of Life	THAT	Audio Amplifiers Trimmable VCA .008% THD Learn More about THAT 2181 ics	Datasheet	2,457On Order On Order Ship Dates Mfr. No: 2181BS08-U Stock: 0 On Order: 7 Expected 24/09/2026 588 Expected 08/01/2027 1,862 Expected 29/01/2027 Factory Lead Time: 17 Weeks	€8.55 €7.05 €6.29 €5.77 View €5.13 €5.07 €4.97 Quote	Min.: 1 Mult.: 1			Class-AB	0.02 %	SOIC-8	4 V	18 V	0 C	+ 70 C	SMD/SMT	2181	Tube
	Audio Amplifiers Trimmable VCA .02% THD 2181CS08-U THAT 1: €6.80 2,661On Order End of Life	Mfr. Part No. 2181CS08-U Mouser Part No 887-2181CS08-U End of Life	THAT	Audio Amplifiers Trimmable VCA .02% THD Learn More about THAT 2181 ics	Datasheet	2,661On Order On Order Ship Dates Mfr. No: 2181CS08-U Stock: 0 On Order: 603 Expected 30/10/2026 2,058 Expected 05/11/2026 Factory Lead Time: 18 Weeks	€6.80 €5.22 €4.82 €4.37 View €4.17 €4.04 €4.00 €3.94	Min.: 1 Mult.: 1			Class-AB	0.05 %	SOIC-8	4 V	18 V	0 C	+ 70 C	SMD/SMT	2181	Tube
	Audio Amplifiers Trimmable VCA .005% THD 2181AS08-U THAT 1: €12.36 142Expected 18/01/2027 End of Life	Mfr. Part No. 2181AS08-U Mouser Part No 887-2181AS08-U End of Life	THAT	Audio Amplifiers Trimmable VCA .005% THD Learn More about THAT 2181 ics	Datasheet	142Expected 18/01/2027	€12.36 €10.38 €9.42 €8.73 View €8.02 €7.82 €7.71 Quote	Min.: 1 Mult.: 1			Class-AB	0.01 %	SOIC-8	4 V	18 V	0 C	+ 70 C	SMD/SMT	2181	Tube
	Audio Amplifiers Trimmable VCA SIP-8 2181AL08-U THAT 1: €15.56 Lead-Time 3 Weeks End of Life	Mfr. Part No. 2181AL08-U Mouser Part No 887-2181AL08-U End of Life	THAT	Audio Amplifiers Trimmable VCA SIP-8 Learn More about THAT 2181 ics	Datasheet	Lead-Time 3 Weeks	€15.56 €12.67 €10.76 €10.41 View €10.30 €9.70 €9.48 Quote	Min.: 1 Mult.: 1			Class-AB	0.01 %	SIP-8	4 V	18 V	0 C	+ 70 C	Through Hole	2181	Tube
	Audio Amplifiers Trimmable VCA SIP-8 2181CL08-U THAT 1: €8.48 Lead-Time 5 Weeks End of Life	Mfr. Part No. 2181CL08-U Mouser Part No 887-2181CL08-U End of Life	THAT	Audio Amplifiers Trimmable VCA SIP-8 Learn More about THAT 2181 ics	Datasheet	Lead-Time 5 Weeks	€8.48 €6.78 €5.76 €5.51 View €5.11 €5.10 €4.95 €4.71	Min.: 1 Mult.: 1			Class-AB	0.05 %	SIP-8	4 V	18 V	0 C	+ 70 C	Through Hole	2181	Tube
	Audio Amplifiers Trimmable VCA SIP-8 2181BL08-U THAT 1: €10.13 N/A End of Life	Mfr. Part No. 2181BL08-U Mouser Part No 887-2181BL08-U End of Life	THAT	Audio Amplifiers Trimmable VCA SIP-8 Learn More about THAT 2181 ics	Datasheet	N/A	€10.13 €7.85 €7.27 €6.64 View €6.34 €6.17 €5.99 Quote	Min.: 1 Mult.: 1			Class-AB	0.02 %	SIP-8	4 V	18 V	0 C	+ 70 C	Through Hole	2181	Tube