Single-Chip Electronic Volume Control
Ordering number :EN*5201A
CMOS LSI
LC75391, 75391M
Single-Chip Electronic Volume Control System
Overview
The LC75391 ...
Description
Ordering number :EN*5201A
CMOS LSI
LC75391, 75391M
Single-Chip Electronic Volume Control System
Overview
The LC75391 and LC75391M are single-chip electronic volume and tone control systems that support volume control, tone control, and input and output signal switching functions controlled by serial input data.
Package Dimensions
unit: mm 3196-DIP30SD
[LC75391]
Functions
Input and output signal switching: The four I/O switches can be set to on or off independently. Volume control: Independent control of the left and right channels can be used to implement a balance function. 0 to –20 dB in 2 dB steps, –20 to –32 dB in 3 dB steps, –32 to –53 dB in 4 dB steps, –52 to –70 dB in 4.5 dB steps, and –∞. Tone controls: Four frequency characteristic types selectable by setting internal switches. Also supports a buffer function that requires no external components. Two general-purpose output ports: These ports allow this LSI to control motorized volume controls and general-purpose logic.
SANYO: DIP30SD
unit: mm 3216-MFP30S
[LC75391M]
CCB is a trademark of SANYO ELECTRIC CO., LTD. CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO.
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter Maximum supply voltage Maximum input voltage Allowable power dissipation Operating temperature Storage temperature Symbol VDD max VIN max Pd max Topr Tstg VDD CL, DI, CE, L1 to L4, R1 to R4 Ta ≤ 85°C Conditions
SANYO: MFP30S
Ratin...
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