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NCP2821 Datasheet(PDF) 4 Page - ON Semiconductor

Part No. NCP2821
Description  2.65 W Filterless with Selectable Gain Class−D Audio Amplifier
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP2821
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (Limits apply for TA = +25°C unless otherwise noted)
Characteristic
Symbol
Conditions
Min
Typ
Max
Unit
Operating Supply Voltage
VP
TA = −40°C to +85°C
2.5
5.5
V
Supply Quiescent Current
Idd
VP = 3.6 V, RL = 8.0 W
VP = 5.5 V, No Load
VP from 2.5 V to 5.5 V, No Load
TA = −40°C to +85°C
2.5
3.1
4.5
mA
Shutdown Current
Isd
Vp = 4.2 V, TA = +25°C
0.5
mA
Vp = 5.5 V, TA = +25°C
Vp = 2.5 V to 5.5 V
TA = −40°C to +85°C
0.8
1.4
mA
SD Voltage High
Vsdih
1.2
V
SD Voltage Low
Vsdil
0.4
V
GS Voltage High
Vgsih
1.2
V
GS Voltage Low
Vgsil
0.4
V
Differential Input Resistance
Rin
G = 6 dB
150
k
W
G = 12 dB
75
k
W
Switching Frequency
FSW
Vp = 2.5 V to 5.5 V
TA = −40°C to +85°C
200
250
300
kHz
Gain
G
RL = 8.0 W, VGS = High
5.5
6
6.5
dB
RL = 8.0 W, VGS = Low
11.5
12
12.5
dB
Resistance from SD to Gnd
RSD
200
300
k
W
Output Offset Voltage
Vos
TA = −40°C to +85°C
−25
2.5
+25
mV
Turn On Time
TON
Vp = 2.5 V to 5.5 V
9
ms
Turn Off Time
TOFF
Vp = 2.5 V to 5.5 V
5
ms
Thermal Shutdown Temperature
Tsd
160
°C
Output Noise Voltage
Vn
Vp = 3.6 V
F = 20Hz to 20kHz
No weighting filter
A weighting filter
63
40
mVrms
RMS Output Power
Po
RL = 8 W, f = 1 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.32
0.48
0.7
0.97
1.38
W
RL = 8 W, f = 1 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.4
0.59
0.87
1.19
1.7
W
RMS Output Power
Po
RL = 4 W, f = 1 kHz, THD+N < 1%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.49
0.72
1.06
1.62
2.12
W
RL = 4 W, f = 1 kHz, THD+N < 10%
Vp = 2.5 V
Vp = 3.0 V
Vp = 3.6 V
Vp = 4.2 V
Vp = 5.0 V
0.6
0.9
1.33
2.0
2.65
W




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