SGSC34119 Datasheet, PDF (3/9 Pages) SeCoS Halbleitertechnologie GmbH – Low Power Audio Amplifier

Elektronische Bauelemente
SGSC34119
Low Power Audio Amplifier
ELECTRICAL CHARACTERISTICS ( T_A=25 °C, unless otherwise specified)
CHARACTERISTICS
SYMBOL MIN TYP MAX UNIT
AMPLIFIERS (AC CHARACTERISTICS)
AC Input Resistance
Open Loop Gain
Close Loop Gain
Gain Bandwidth Product
ri
AVOL1
AV2
GBW
-
>30
-
MΩ
80
-
-
dB
-0.35
0
0.35
dB
-
1.5
-
MHz
Output Power
POut3
POut6
POut12
55
-
-
250
-
-
mV
400
-
-
-
0.5
1.0
Total Harmonic Distortion (f=1kHz)
THD
-
0.5
-
%
-
0.6
-
Power Supply Rejection Ration
(VCC=6V, △VCC=3V)
50
-
-
PSRR
-
12
-
dB
-
52
-
Differential Muting
GMT
-
>70
-
dB
AMPLIFIERS (DC CHARACTERISTICS)
Output DC Level
Output Level
Output DC Offset Voltage
(VO1- VO2)
Input Bias Current
Equivalent Resistance
VO(3)
VO(6)
VO(12)
VOH
VOL
△VO
IIB
RFC1
RFC2
1.0
1.15
1.25
-
2.65
-
Vdc
-
5.65
-
-
VCC -1
Vdc
-
0.16
-30
0
30
mV
-
-100
-200
nA
100
150
220
KΩ
18
25
40
CHIP DISABLE (Pin1)
Input Voltage
Input Resistance
VIL
-
-
0.8
Vdc
VIH
2.0
-
-
RCD
50
90
175
KΩ
POWER SUPPLY
ICC3
-
2.7
4.0
mA
Power Supply Current
ICC16
-
3.3
5.0
mA
ICCD
-
65
100
µA
Note: Currents into a pin are positive, currents out of a pin are negative.
TEST CONDITIONS
@ VIN
Amplifier#1, f<100Hz
Amplifier#2, VCC=6V, f=1kHz, RL=32Ω
VCC=3V, RL=16Ω, THD≦10%
VCC=6V, RL=32Ω, THD≦10%
VCC=12V, RL=100Ω, THD≦10%
VCC=6V, RL=32Ω, POut=125mW
VCC≧3V, RL=8Ω, POut=20mW
VCC≧12V, RL=32Ω, POut=200mW
C1=∞, C2=0.01µF
C1=0.1µF, C2=0, f=1kHz
C1=1.0µF, C2=5.0µF, f=1kHz
VCC=6V, 1kHz≦f≦20kHz, CD=2V
VO1,VO2,VCC=3V,RL=16Ω,(R F=75KΩ)
VCC=6V
VCC=12V
High IOUT=-75mA, 2V≦VCC≦16V
Low IOUT=75mA, 2V≦VCC≦16V
VCC=6V, R F=75KΩ, RL=32Ω
VIN (VCC=6V)
FC1(VCC=6V)
FC2(VCC=6V)
Low
High
VCC= VCD=16V
VCC=3V, RL=∞, CD=0.8V
VCC=16V, RL=∞, CD=0.8V
VCC=3V, RL=∞, CD=2.0V
TYPICAL TEMPERATURE PERFORMANCE (-20°C <T _A<70°C)
FUNCTION
Input Bias Current (@ VIN)
Total Harmonic Distortion (VCC=6V, RL=32Ω, P OUT=125mW, f=1kHz)
Power Supply Current
VCC=3V, RL=∞, CD=0V
VCC=3V, RL=∞, CD=2V
TYPICAL CHANGE
±40
0.003
-0.25
-0.03
UNIT
pA/°C
%/°C
µA/°C
17-Dec-2009 Rev. A
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