Audio Amplifiers

Class AB


All ICs are RoHS compliant.

* Status: P - mass production, S - samples, UD - under development, N - not recommended for new design.

Chip Description Supply
  voltage  
[V]		 Operating
temperature
[°C]		    Package    Status *
ISD8101
 (355 kB) 		Class-AB audio amplifier:
  • output power 1.5 W at 8 <Ω load and THD+N <10%
  • voltage gain 20 dB (with internal resistor) or any gain less than 20 dB (with using external resistors)
  • SNR 100 dB
  • configured with either single-ended or differential inputs
  • Chip Enable input
  • current protection
  • stand-by current <1 µA
 2.4 – 6.8 -40 – +85 PDIP-8
SOP-8		 P
ISD8102
 (710 kB) 		Class-AB audio amplifier:
  • output power 2 W at 4 Ω load and THD+N <10%
  • voltage gain 20 dB (with internal resistor) or any gain less than 20 dB (with using external resistors)
  • SNR 100 dB
  • single-ended input
  • Chip Enable input
  • current and thermal protection
  • stand-by current <1 µA
  • speaker output configured as single-ended or BTL
  • headphone sense input
 2.0 – 6.8 -40 – +85 SOP-8 P
ISD8104
 (710 kB) 		Class-AB audio amplifier:
  • output power 2 W at 4 Ω load and THD+N <10%
  • voltage gain 20 dB (with internal resistor) or any gain less than 20 dB (using external resistors)
  • SNR 100 dB
  • configured with either single-ended or differential inputs
  • Chip Enable input
  • current and thermal protection
  • stand-by current <1 µA
  • BTL speaker output
 2.0 – 6.8 -40 – +85 SOP-8 P