SM6801A Datasheet, PDF (6/16 Pages) Nippon Precision Circuits Inc – Class-D Mono Amplifier for Portable Device

SM6801A
Analog Output Characteristics (OUTP, OUTN)
Standard voltage: VDD1 = VDD2 = VDD3 = VDD4 = 3.6V, VSS1 = VSS2 = 0V
Parameter
Voltage gain 1
Voltage gain 2
Residual noise voltage
Total harmonic distortion + noise
Maximum output power
Mute-mode output voltage
HIGH-level output voltage
LOW-level output voltage
Efficiency
Ripple rejection ratio 1
Symbol
Conditions
A₁
DRCN = HIGH,
input amplitude = 0.1Vrms
A₂
DRCN = LOW,
input amplitude = 0.05Vrms
V_NS
DRCN = HIGH,
input and VREF1 connected by 600Ω
THD + N
P_OMAX
V_MUTE
P_O = 0.25W, reference input amplitude 1
Output power when THD = 10%
Output power when MUTEN = LOW
V_OH
V_OL
E_EF
PSRR1
Maximum output power conditions
(Note 1)
min
4.0
13.0
–
–
0.6
–90.0
V_DDP –
0.2
0
80
–
Rating
typ
6.0
15.0
78
0.4
0.7
–110
V_DDP –
0.02
0.02
83
–60
max
8.0
17.0
120
1.0
0.8
–
V_DDP
+ 0.2
0.2
–
–
Unit
dB
dB
µVrms
%
W
dBV
V
V
%
dB
Note 1. DRCN = HIGH, 217Hz ripple frequency, 0.2Vrms ripple amplitude on VDD1/VDD2/VDD3/VDD4, input and VREF1 connected by 600Ω.
Low voltage: VDD1 = VDD2 = VDD3 = VDD4 = 2.4V, VSS1 = VSS2 = 0V
Parameter
Voltage gain 1
Voltage gain 2
Residual noise voltage
Total harmonic distortion + noise
Maximum output power
Mute-mode output voltage
HIGH-level output voltage
LOW-level output voltage
Symbol
Conditions
A₁
DRCN = HIGH,
input amplitude = 0.1Vrms
A₂
DRCN = LOW,
input amplitude = 0.05Vrms
V_NS
DRCN = HIGH,
input and VREF1 connected by 600Ω
THD + N
P_O = 42mW, reference input amplitude
V = 316.2mVrms
P_OMAX
V_MUTE
Output power when THD = 10%
Output power when MUTEN = LOW
V_OH
V_OL
Rating
Unit
min
typ
max
–
5.6
–
dB
–
14.5
–
dB
–
120
–
µVrms
–
0.8
–
%
–
0.280
–
W
–
–110
–
dBV
–
V_DDP –
0.02
–
V
–
0.02
–
V
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