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