SGM4890 Shengbang Microelectronics, SGM4890 Datasheet - Page 2

• Manufacturer Part Number: SGM4890
• Description: 1.1 Watt Audio Power Amplifier
• Manufacturer: Shengbang Microelectronics

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ELECTRICAL CHARACTERISTICS : TA = 25℃
Quiescent Power Supply Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power (8 Ω)
Total Harmonic Distortion + Noise
Power Supply Rejection Ratio
Wake –up Time
Shut Down Time
Specifications subject to changes without notice.
PARAMETER
SYMBOL
I
I
V
V
V
P
THD+N
PSRR
T
T
Q
SD
SDIH
SDIL
OS
O
WU
SDT
V
V
f = 1 kHz, THD+N=1%
P
f = 217Hz
f = 1kHz
C
8 Ω Load
IN
SHUTDOWN
O
BYPASS
= 0.4Wrms, f = 1kHz
= 0V, I
= 1µF
O
= 0V,
= 0A,
2
CONDITIONS
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
= +5V, No Load
= +5V, 8 Ω Load
= +3.6V, No Load
= +3.6V, 8 Ω Load
= +3.0V, No Load
= +3.0V, 8 Ω Load
= +2.6V, No Load
= +2.6V, 8 Ω Load
= +5V
= +3.6V
= +3.0V
= +2.6V
= +5V
= +3.6V
= +3.0V
= +2.6V
= +5V
= +3.6V
= +3.0V
= +2.6V
= +5V
= +3.6V
= +3.0V
= +2.6V
= +5V
= +3.6V
= +3.0V
= +2.6V
MIN
1.2
SGM4890
TYP
0.01
1.10
0.58
0.40
0.30
0.01
17.8
17.8
110
110
100
100
-66
-63
-63
-62
-72
-68
-66
-64
3.7
5.7
3.5
5.5
3.3
5.3
10
16
4
6
1
SGM4890
MAX
4.0
0.4
10
50
8
7
9
UNITS
mA
mV
µA
dB
ms
µs
W
%
V
V