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Digital Echo Processor

Part NoPackage TypeSupply (Input) VoltageChannelMuteMemory SizeDelay TimeControl ModeFeaturesApplications
SM7181 DIP-164.5V~5.5V18Kbit SRAMMANUA(1)Low distortion.
(2)Large memory capacity.
(3)Long delay time.
(4)AUTO RESET function
(5)Built-in VCO circuit.
(6)High sampling frequency.		(1)Audio / Car Stereo
(2)KARAOK
(3)CD / VCD / DVD / LD
(4)Digital TV / TV
(5)PC / Notebook
(6)Multimidia Speaker

Electronic Volume Controller

Part NoPackage TypeSupply (Input) VoltageChanneldB StepControl PinFeaturesApplications
SM7346 SDIP-42
TSSOP-44		±4.5V~±7.3V6Volume: 0db~-79dB, Each Step 1dB Bass/Trebe:
-10dB~+10dB,
Each Step 2dB		Clock/Data/Latch (MCU Control)(1)Many segment volume control.
(2)High S/N ratio.
(3)Built-in microcomputer interface.
(4)Tone cantrol (Bass/Treble).
(1)Audio / Car Stereo
(2)KARAOK
(3)CD / VCD / DVD / LD
(4)Digital TV / TV
(5)PC / Notebook
(6)Multimedia Speaker
SM7346A SDIP-42
TSSOP-44		±4.5V~±7.3V6Volume: 0db~-79dB, Each Step 1dB
Bass/Trebe: -10dB~+10dB, Each Step 2dB		Clock/Data/Latch (MCU Control)(1)Many segment volume control.
(2)High S/N ratio.
(3)Built-in microcomputer interface.
(4)Tone cantrol (Bass/Treble).
(1)Audio / Car Stereo
(2)KARAOK
(3)CD / VCD / DVD / LD
(4)Digital TV / TV
(5)PC / Notebook
(6)Multimedia Speaker

Audio Power Amplifier - Class AB

Part NoPackage TypeSupply (Input) VoltageSpeaker ChannelsHeadphone ChannelsPout @ THD <= 10% 3 ohmsPout @ THD <= 10% 4 ohmsPout @ THD <= 10% 8 ohmsHalf Power THD+N@1KHz (%)Supply Current IddSupply Current Shutdown Mode IDD(SD)Volume ControlApplications
SM7511 TSSOP-24L4.0V/5.5VStereoStereo3W2.4W1.6W0.18mA1uADC(1)Notebook PC
(2)Packet PC
(3)LCD Monitor
(4)Portable DVD
(5)Mini Speaker
(6)Digital Photo Frame
SM7512 SOP-16L
SSOP-16L		4.0V/5.5VStereoStereo3W2.4W1.6W0.18mA1uADC(1)Notebook PC
(2)Packet PC
(3)LCD Monotor
(4)Portable DVD
(5)Mini Speaker
(6)Digital Photo Frame
SM7513 SOP-16L
SSOP-16L		4.0V/5.5VStereoStereo3W2.4W1.6W0.18mA1uAUp/Down(1)Mini Speaker
(2)Wireless Headphone
(3)Car Multimedia System
SM7516 HDIP-12L4.0V/5.5VStereoStereoNone2.3W1.7W0.18mA1ADC(1)Notebook PC
(2)Packet PC
(3)LCD Monitors
(4)Portable DVD
(5)Digital Photo Frame

Audio Power Amplifier - High Power Class AB

Part NoPackage TypeSupply (Input) VoltageSpeaker ChannelsHeadphone ChannelsPout @ THD <= 10% 16 ohmsPout @ THD <= 10% 8 ohmsHalf Power THD+N@1KHz (%)Supply Current IddSupply Current Shutdown Mode IDD(SD)Volume ControlApplications
SM7497 HDIP-12L9.0V/13.5VStereoStereo1.7W3.2W0.125mA1uADC(1)Small Panel LCD TV
(2)LCD Monitor
(3)Portable DVD
(4)Mini Speaker
(5)Digital Broadcast System
SM7498 HDIP-28L9.0V/13.5VStereoStereo1.7W3.2W0.125mA1uADC(1)Small Panel LCD TV
(2)LCD Monitor
(3)Portable DVD
(4)Mini Speaker
(5)Digital Broadcast System