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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 (CHF) 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 SIP-8 2181AL08-U THAT 1: CHF 14.56 541On Order 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	541On Order	CHF 14.56 CHF 11.86 CHF 10.07 CHF 9.74 View CHF 9.64 CHF 9.08 CHF 8.87 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 .005% THD 2181AS08-U THAT 1: CHF 11.57 592Expected 2/26/2027 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	592Expected 2/26/2027	CHF 11.57 CHF 9.72 CHF 8.82 CHF 8.17 View CHF 7.51 CHF 7.32 CHF 7.22 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 .008% THD 2181BS08-U THAT 1: CHF 8.00 2’357On 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	2’357On Order On Order Ship Dates Mfr. No: 2181BS08-U Stock: 0 On Order: 495 Expected 1/8/2027 1’862 Expected 1/29/2027 Factory Lead Time: 19 Weeks	CHF 8.00 CHF 6.60 CHF 5.89 CHF 5.40 View CHF 4.80 CHF 4.75 CHF 4.65 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: CHF 6.36 779Expected 2/19/2027 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	779Expected 2/19/2027	CHF 6.36 CHF 4.89 CHF 4.51 CHF 4.09 View CHF 3.90 CHF 3.78 CHF 3.74 CHF 3.69	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 SIP-8 2181CL08-U THAT 1: CHF 7.94 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	CHF 7.94 CHF 6.35 CHF 5.39 CHF 5.16 View CHF 4.78 CHF 4.77 CHF 4.63 CHF 4.41	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: CHF 9.48 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	CHF 9.48 CHF 7.35 CHF 6.80 CHF 6.22 View CHF 5.93 CHF 5.78 CHF 5.61 Quote	Min.: 1 Mult.: 1			Class-AB	0.02 %	SIP-8	4 V	18 V	0 C	+ 70 C	Through Hole	2181	Tube