SM6800A Datasheet, PDF (6/12 Pages) Nippon Precision Circuits Inc – Class-D Mono Amplifier for Mobile Telephones

Measurement circuit
SM6800A
TEST
PROT (H NORMAL) TM2
TM1
SW3 SW4 SW5
H
H
H
L
L
L
VDD1
C1
IN
SIGNAL INPUT
1µ
EQP
C3 150p
EQN
VSS1
SIGNAL VSS (0V)
VDD1
POWER VDD (2.7 to 4.3V)
SIGNAL VDD (2.7 to 4.3V)
VDD3
IN
OUTP
EQP
C4 1µ
EQN
VSS1
VSS2
OUTN
POWER VDD (2.7 to 4.3V)
VDD2
R7* C8 1µ
0 (JUMPER)
R8*
0 (JUMPER) _{C9 1µ}
POWER VDD
SPOUT POS
POWER VSS (0V)
SPOUT NEG
C5 1µ
SW1*
H
SW2*
H
L
L
ANALOG VSS (0V)
Note. *C2, C6, C7: not inserted
*R1, R2, R3: not inserted
*R7, R8: series resistors for dielectric speaker
*SW1: HIGH = Power on, LOW = Power off
*SW2: LOW = Mute on, HIGH = Mute off
D-Range CP MODE
TM1
TM2
OFF
L
L
1
H
L
2
L
H
3
H
H
NIPPON PRECISION CIRCUITS INC.—6