PA4894 Unisonic Technologies, PA4894 Datasheet - Page 4

• Manufacturer Part Number: PA4894
• Description: 1.8 Watt Differential Audio Power Amplifier With Selectable Shutdown
• Manufacturer: Unisonic Technologies

Common Mode Voltage
SD Select Threshold
Output Swing
Output Offset Voltage
Supply Quiescent Current
Shutdown Current
Turning On Time
Turning Off Time
RMS Output Power
Power Supply Ratio
Over Temperature Shutdown
Efficiency
Total Harmonic Distortion
PA4894
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Notes: 1. Min and Max limits are guaranteed by design, test or statistical analysis.
Supply Voltage
Operating Supply Voltage
Input Voltage
Max Output Current
Power Dissipation (Note 2)
Junction Temperature
Operating Temperature (T
Storage Temperature Range
Junction to Ambient
ABSOLUTE MAXIMUM RATING
THERMAL DATA
ELECTRICAL CHARACTERISTICS
2. See page 8 for a theoretical approach of these parameters.
2. The thermal shutdown set to 160°C (typical) avoids irreversible damage on the device due to power
PARAMETER
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
dissipation.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
PARAMETER
PARAMETER
High
Low
A
)
SYMBOL
P
V
V
V
PSRR
V
I
OTS
THD
O(RMS)
V
THD(H)
O(OFF)
T
THD(L)
SHDN
T
O(SW)
I
WU
η
CM
Q
SD
V
V
2.2V≤V
V
V
V
V
2.2V≤V
SDM=SDS=GND
C
R
G=2.0, R
C
V
Input Terminated with 10Ω
V
V
V
R
V
R
P
P
P
P
P
P
P(RIPP_PP)
P
P
P
P
BYP
L
BYP
L
L
= 8.0Ω, THD+N<0.1%
= 8.0Ω, AV= 2.0, P
= 8.0Ω, AV= 2.0, P
= 3.0V, R
= 5.0V, R
= 3.0 V, No Load
= 5.0 V, No Load
= 3.0 V, 8.0Ω
= 5.0 V, 8.0 Ω
= 3.0 V, P
= 5.0 V, P
= 3.0V, F = 1.0 kHz
= 5.0V, F = 1.0 kHz
= 1.0μF
= 1.0μF
(Ta=25°C, unless otherwise specified)
P
P
≤5.5V
≤5.5V
L
= 200mV
SYMBOL
SYMBOL
=8.0Ω
(Ta= −40°C~ +85°C, unless otherwise specified).
V
T
T
L
L
I
V
θ
O(RMS)
O(RMS)
V
OUT
P
TEST CONDITIONS
= 8.0Ω
= 8.0Ω
T
OPR
OPR
STG
JA
IN
D
P
J
= 380mW
= 1.0W
O
O
= 0.32 W
= 1.0 W
Ta= 25°C
Ta= 25°C
Ta= -40°C ~ +85°C
V
V
V
F=217 Hz
F=1.0 kHz
Ta= -40°C ~ +85°C 3.85
P
P
P
= 3.0 V
= 3.3 V
= 5.0 V
Internally Limited
-0.3 ~ V
−65 ~ +150
RATINGS
RATINGS
-40 ~+85
2.2 ~ 5.5
V
V
V
V
P
P
P
P
500
150
200
=5.0V
=3.0V
=5.0V
=3.0V
6.0
CC
+0.3
MIN
1.4
4.0
-30
0.007
0.006
VP/2
TYP
0.39
0.48
1.08
140
160
2.5
4.3
1.0
2.0
2.2
-80
-80
-85
-85
1.9
2.1
20
20
64
63
CMOS IC
QW-R502-379.A
MAX UNIT
600
0.4
4.0
2.0
30
4 of 11
UNIT
UNIT
°C/W
mA
°C
°C
°C
V
V
V
mV
mA
mA
mA
mA
ms
ms
nA
μA
dB
dB
dB
dB
°C
W
W
W
%
%
%
%
V
V
V
V
V
V