參數(shù)資料
型號(hào)： NCP2892
廠商： ON SEMICONDUCTOR
英文描述： 1.3 Watt Audio Power Amplifier with Fast Turn On Time(具有快速接通時(shí)間的1.3 W音頻功率放大器)
中文描述： 1.3瓦音頻功率放大器具有快速準(zhǔn)時(shí)（具有快速接通時(shí)間的為1.3 W音頻功率放大器轉(zhuǎn)）
文件頁(yè)數(shù)： 4/16頁(yè)
文件大小： 158K
代理商： NCP2892
NCP2892 Series
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS
Limits apply for T
A
between 40
°
C to +85
°
C (Unless otherwise noted).
Characteristic
Symbol
Conditions
Min
(Note 7)
Typ
Max
(Note 7)
Unit
Supply Quiescent Current
I
dd
V
p
= 2.6 V, No Load
V
p
= 5.0 V, No Load
1.5
1.7
4
mA
V
p
= 2.6 V, 8
V
p
= 5.0 V, 8
1.7
1.9
5.5
Common Mode Voltage
V
cm
I
SD
V
p
/2
0.01
V
Shutdown Current
T
A
= +25
°
C
T
A
= 40
°
C to +85
°
C
0.5
1.0
A
Shutdown Voltage High
V
SDIH
V
SDIL
T
WU
T
OFF
Z
SD
1.2
V
Shutdown Voltage Low
0.4
V
Turning On Time (Note 9)
C
by
= 1 F
90
ms
Turning Off Time
1.0
s
Output Impedance in Shutdown Mode
NCP2892A
NCP2892B
100
10
k
Output Swing
NCP2892A
V
loadpeak
V
p
= 2.6 V, R
L
= 8.0
V
p
= 5.0 V, R
L
= 8.0 (Note 8)
T
A
= +25
°
C
T
A
= 40
°
C to +85
°
C
V
p
= 2.6 V, R
L
= 8.0
V
p
= 5.0 V, R
L
= 8.0 (Note 8)
T
A
= +25
°
C
T
A
= 40
°
C to +85
°
C
V
p
= 2.6 V, R
L
= 4.0
THD + N < 0.1%
V
p
= 2.6 V, R
L
= 8.0
THD + N < 0.1%
V
p
= 5.0 V, R
L
= 8.0
THD + N < 0.1%
1.6
4.0
3.85
2.12
4.15
V
Output Swing
NCP2892B
V
loadpeak
1.6
4.0
3.85
2.20
4.50
V
Rms Output Power
NCP2892A
P
O
0.36
0.28
1.08
W
Rms Output Power
NCP2892B
P
O
V
p
= 2.6 V, R
L
= 4.0
THD + N < 0.1%
V
p
= 2.6 V, R
L
= 8.0
THD + N < 0.1%
V
p
= 5.0 V, R
L
= 8.0
THD + N < 0.1%
0.40
0.30
1.20
W
Maximum Power Dissipation (Note 9)
P
Dmax
V
OS
V
p
= 5.0 V, R
L
= 8.0
V
p
= 2.6 V
V
p
= 5.0 V
0.65
W
Output Offset Voltage
30
30
mV
SignaltoNoise Ratio
SNR
V
p
= 2.6 V, G = 2.0
10 Hz < F < 20 kHz
V
p
= 5.0 V, G = 10
10 Hz < F < 20 kHz
84
77
dB
Positive Supply Rejection Ratio
PSRR V+
G = 2.0, R
L
= 8.0
Vp
ripple_pp
= 200 mV
C
by
= 1.0 F
Input Terminated with 10
F = 217 Hz
V
p
= 5.0 V
V
p
= 3.0 V
V
p
= 2.6 V
F = 1.0 kHz
V
p
= 5.0 V
V
p
= 3.0 V
V
p
= 2.6 V
64
72
73
64
74
75
dB
Efficiency
V
p
= 2.6 V, P
orms
= 320 mW
V
p
= 5.0 V, P
orms
= 1.0 W
48
63
%
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