SM6802A Datasheet, PDF (7/15 Pages) Nippon Precision Circuits Inc – Class-D Stereo Amplifier for Portable Device

Measurement Circuit
C1
LIN
SIGNAL INPUT
1µ
VDD1
C2
RIN
SIGNAL INPUT
1µ
SM6802A
LEQP LEQN TESTN MUTEN
SW3*
SW4*
H
H
L
L
C7
C9
1µ
150p
LEQP
LIN
VDD1
RIN
REQP
VDD3
LOUTP
VSS2
ROUTP
VDD2
R9*
C10 1µ
R10*
C11 1µ
R11*
R12*
SPOUT NEG
POWER VDD
POWER VDD (2.7 to 5.5V)
SPOUT POS
POWER VSS (0V)
SPOUT POS
SPOUT NEG
C8
150p
SW1* SW2*
HH
L
L _{ANALOG VSS (0V)}
REQN PDWN
REQP
VSS1
DRCN
SIGNAL VSS (0V)
Note. *C3, C4, C5, C6: not inserted
*R1, R2, R3, R4, R5, R6, R7, R8: not inserted
*R9, R10, R11, R12: series resistors for dielectric speaker
*SW1: HIGH = Power on, LOW = Power off
*SW2: HIGH = DRC off, LOW = DRC on
*SW3: LOW = Test, HIGH = Normal
*SW4: LOW = Mute on, HIGH = Mute off
NIPPON PRECISION CIRCUITS INC.—7