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NCP4894 Datasheet(PDF) 5 Page - ON Semiconductor

Part No. NCP4894
Description  1.8 Watt Differential Audio Power Amplifier with Selectable Shutdown
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP4894 Datasheet(HTML) 5 Page - ON Semiconductor

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NCP4894
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5
ELECTRICAL CHARACTERISTICS Limits apply for TA between −40°C to +85°C (Unless otherwise noted).
Characteristic
Symbol
Conditions
Min
(Note 8)
Typ
Max
(Note 8)
Unit
Supply Quiescent Current
Idd
VP = 3.0 V, No Load
VP = 5.0 V, No Load
1.9
2.1
mA
VP = 3.0 V, 8.0
W
VP = 5.0 V, 8.0
W
2.0
2.2
4.0
Common Mode Voltage
Vcm
VP/2
V
Shutdown Current
ISD
For VP between 2.2 V to 5.5 V
SDM = SDS = GND
TA = 25°C
TA = −40°C to +85°C
20
600
2.0
nA
mA
SD SELECT Threshold High
VSDIH
1.4
V
SD SELECT Threshold Low
VSDIL
0.4
V
Turning On Time (Note 10)
TWU
Cby = 1.0 mF
140
ms
Turning Off Time (Note 10)
TSD
20
ms
Output Swing
Vloadpeak
VP = 3.0 V, RL = 8.0 W
2.5
V
VP = 5.0 V, RL = 8.0 W (Note 9)
TA = 25°C
TA = −40°C to +85°C
4.0
3.85
4.3
V
Rms Output Power
PO
VP = 3.0 V, RL = 8.0 W
THD + N < 0.1%
VP = 3.3 V, RL = 8.0 W
THD + N < 0.1%
VP = 5.0 V, RL = 8.0 W
THD + N < 0.1%
0.39
0.48
1.08
W
Output Offset Voltage
VOS
For VP between 2.2 V
to 5.5 V
−30
1.0
30
mV
Power Supply Rejection Ratio
PSRR V+
G = 2.0, RL = 8.0 W
VPripple_pp = 200 mV
Cby = 1.0 mF
Input Terminated with 10
W
F = 217 Hz
VP = 5.0 V
VP = 3.0 V
F = 1.0 kHz
VP = 5.0 V
VP = 3.0 V
−80
−80
−85
−85
dB
Efficiency
h
VP = 3.0 V, Porms = 380 mW
VP = 5.0 V, Porms = 1.0 W
64
63
%
Thermal Shutdown Temperature
Tsd
160
°C
Total Harmonic Distortion
THD
VP = 3.0 V, F = 1.0 kHz
RL = 8.0 W, AV = 2.0
PO = 0.32 W
VP = 5.0 V, F = 1.0 kHz
RL = 8.0 W, AV = 2.0
PO = 1.0 W
0.007
0.006
%
8. Min/Max limits are guaranteed by design, test or statistical analysis.
9. This parameter is not tested in production for 9−Pin Flip−Chip CSP package in case of a 5.0 V power supply, however it is correlated based
on a 3.0 V power supply testing.
10. See page 11 for a theoretical approach of these parameters.


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