ADSP-21xx Processors

Analog Devices ADSP-21xx processors are code- and pin-compatible DSPs with performance up to 160 MHz and power as low as 184 microamps. The ADSP-21xx family is ideal for speech processing and voice-band modems, as well as real-time control applications.
Product Selection Table

ADSP-21xx Processors

ADSP-21xx 16-bit DSPs

Part#Clock Speed (MHz)Program RAM Words(KWords)Data RAM Word (KWords)External Memory SupportedExt Memory Bus Width (bitSPORTsTimersCore Voltage (V)Host PortSPI/UARTADCUS Price 1000 to 4999Processor Product Family
ADSP-21992 160 MHz 32 16 - 24 1 3 2.5 Yes Yes 14 bit Dual Ch, 20 MSPS $34.40 ADSP-21xx
ADSP-21991 160 MHz 32 8 - 24 1 3 2.5 Yes Yes 14 bit Dual Ch, 20 MSPS $38.20 ADSP-21xx
ADSP-21990 160 MHz 4 4 - 24 1 3 2.5 Yes Yes 14 bit Dual Ch, 20 MSPS - ADSP-21xx
ADSP-2191M 160 MHz 32 32 - 16 3 3 2.5 Yes Yes - $23.40 ADSP-21xx
ADSP-2189N 80 MHz 32 48 - 24 2 1 1.8 Yes No - $29.20 ADSP-21xx
ADSP-2188N 80 MHz 48 56 - 24 2 1 1.8 Yes No - $36.20 ADSP-21xx
ADSP-2187N 80 MHz 32 32 - 24 2 1 1.8 Yes No - $23.70 ADSP-21xx
ADSP-2186N 80 MHz 8 8 - 24 2 1 1.8 Yes No - $10.10 ADSP-21xx
ADSP-2185N 80 MHz 16 16 - 24 2 1 1.8 Yes No - $13.20 ADSP-21xx
ADSP-2184N 80 MHz 4 4 - 24 2 1 1.8 Yes No - $9.00 ADSP-21xx
ADSP-2188M 75 MHz 48 56 - 24 2 1 2.5 Yes No - $38.90 ADSP-21xx
ADSP-2186M 75 MHz 8 8 - 24 2 1 2.5 Yes No - $10.40 ADSP-21xx
ADSP-2185M 75 MHz 16 16 - 24 2 1 2.5 Yes No - $13.90 ADSP-21xx
ADSP-2189M 75 MHz 32 48 - 24 2 1 2.5 Yes No - $32.00 ADSP-21xx
ADSP-2161 25 MHz - 0.5 - 24 2 1 5 No No - - -