SM6802A Datasheet, PDF (5/15 Pages) Nippon Precision Circuits Inc – Class-D Stereo Amplifier for Portable Device

SM6802A
AC Analog Characteristics
VDD1 = VDD2 = VDD3 = 3.6V, VSS1 = VSS2 = 0V, 0.708Vrms analog input amplitude, 1kHz input signal
frequency, Ta = 25°C, "Measurement Block Diagram", "Measurement Conditions", "Measurement Circuit",
DRCN = PDWN = MUTEN = HIGH, unless otherwise noted.
Analog Input Characteristics (LIN, RIN)
Parameter
Reference input amplitude 1
Reference input amplitude 2
Input resistance
Input clipping voltage
Symbol
Conditions
V_AI1 P_O = 0.25W
V_AI2 P_O = 0.05W
R _IN
V_CLP P_O = 0.5W
Rating
Unit
min
typ
max
–
0.708
–
Vrms
–
0.142
–
Vrms
42
60
78
kΩ
0.7
1
1.3
Vrms
Analog Output Characteristics (LOUTP, LOUTN, ROUTP, ROUTN)
Parameter
Voltage gain 1
Voltage gain 2
Residual noise voltage
Total harmonic distortion + noise
Channel crosstalk
Maximum output power
Mute-mode output voltage
HIGH-level output voltage
LOW-level output voltage
Efficiency
Ripple rejection ratio 1
Symbol
Conditions
Rating
Unit
min
typ
max
A₁
DRCN = HIGH,
input amplitude = 0.1Vrms
4.0
6.0
8.0
dB
A₂
DRCN = LOW,
input amplitude = 0.05Vrms
13.0
15.0
17.0
dB
V _NS
DRCN = HIGH,
input and VREF1 connected by 600Ω
–
78
120
µVrms
THD + N P_O = 0.2W, reference input amplitude 1
–
0.4
1.0
%
CC (Note 1)
–60.0
–70.0
–
dB
P _OMAX
V _MUTE
V_OH
Output power when THD = 10%
Output power when MUTEN = LOW
0.6
0.7
0.8
W
–90.0
–110
–
dBV
V_DDP
– 0.2
V_DDP
– 0.02
V_DDP
+ 0.2
V
V_OL
E _EF
PSRR1
Maximum output power conditions
(Note 2)
0
0.02
0.2
V
80
83
–
%
–
–65
–
dB
Note 1. Cross-channel leakage signal with standard voltage input on one channel only.
Note 2. DRCN = HIGH, 217Hz ripple frequency, 0.2Vrms ripple amplitude on VDD1/VDD2, input and VREF1 connected by 600Ω.
Reference Voltage Characteristics (VREF1)
Parameter
Reference output voltage 1
Symbol
V _REF1
min
0.45V_DDS
Rating
typ
0.5V_DDS
Unit
max
0.55V_DDS
V
NIPPON PRECISION CIRCUITS INC.—5