ELECTRICAL CHARACTERISTICS : TA = 25℃
SGM4890
PARAMETER
SYMBOL
CONDITIONS
UNITS
MIN
TYP
4
MAX
8
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
6
10
3.7
5.7
3.5
5.5
3.3
5.3
Quiescent Power Supply Current
IQ
VIN = 0V, IO = 0A,
mA
7
9
Shutdown Current
Shutdown Voltage Input High
ISD
VSDIH
VSHUTDOWN = 0V,
0.01
4.0
µA
V
1.2
Shutdown Voltage Input Low
Output Offset Voltage
VSDIL
VOS
0.4
50
V
1
mV
1.10
0.58
0.40
0.30
0.01
-66
V+ = +5V
V+ = +3.6V
V+ = +3.0V
V+ = +2.6V
Output Power (8 Ω)
PO
f = 1 kHz, THD+N=1%
W
%
Total Harmonic Distortion + Noise
THD+N
PO = 0.4Wrms, f = 1kHz
f = 217Hz
V+ = +5V
-63
V+ = +3.6V
V+ = +3.0V
V+ = +2.6V
V+ = +5V
-63
-62
Power Supply Rejection Ratio
PSRR
dB
-72
-68
V+ = +3.6V
V+ = +3.0V
V+ = +2.6V
V+ = +5V
f = 1kHz
-66
-64
110
110
100
100
10
V+ = +3.6V
V+ = +3.0V
V+ = +2.6V
V+ = +5V
Wake –up Time
Shut Down Time
TWU
CBYPASS = 1µF
ms
µs
16
V+ = +3.6V
V+ = +3.0V
V+ = +2.6V
TSDT
8 Ω Load
17.8
17.8
Specifications subject to changes without notice.
2
SGM4890
SGMICRO [ Shengbang Microelectronics Co, Ltd ]
