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PA4894G-SM2-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 PA4894G-SM2-R
功能描述  1.8 WATT DIFFERENTIAL AUDIO POWER AMPLIFIER WITH SELECTABLE SHUTDOWN
PDF  11 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

PA4894G-SM2-R 数据表(HTML) 4 Page - Unisonic Technologies

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



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