NCP2823AFCT2G

NCP2823 Series
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS Min and Max Limits apply for T
A
between 40°C to +85°C and for V
DD
between 2.5 V to 5.5 V
(Unless otherwise noted). Typical values are referenced to T
A
= + 25 °C and V
DD
= 3.6 V. (see Note 8)
Symbol
Parameter Conditions Min Typ Max Unit
GENERAL PERFORMANCES
V
P
Operational Power Supply 2.5 5.5 V
F
OSC
Oscillator Frequency 250 300 350 kHz
I
DD
Supply current NCP2823A
V
P
= 3.6 V, No Load
NCP2823B
V
P
= 3.6 V, No Load
1.8
2.6
2.4
4.6
mA
I
sd
Shutdown current V
ENL
= V
ENR
= 0 V 0.01 1
mA
T
ON
Turn ON Time EN rising edge 7.4 ms
T
OFF
Turn Off Time EN falling edge 4 ms
Z
sd
Class D Output impedance in
shutdown mode
V
ENL
= 0 V 20
kW
R
DS(ON)
Static drainsource onstate
resistance of power Mosfets
300
mW
h
Efficiency
NCP2823A, V
P
= 3.6 V, Po = 600 mW, RL =
8 W, F = 1 kHz
92
%
NCP2823B, V
P
= 3.6 V, Po = 1 W, RL = 4 W,
F = 1 kHz
90
Av Voltage gain
285 kW
Ri
300 kW
Ri
315 kW
Ri
V/V
F
LP
3 dB Cut off Frequency of
the Built in Low Pass Filter
30
kHz
T
SD
Thermal Shut Down
Protection
150 °C
T
SDH
Thermal Shut Down
Hysteresis
10 °C
V
IH
Rising Voltage Input Logic
High
1.2 V
DD
V
V
IL
Falling Voltage Input Logic
Low
0.4 V
R
PLD
Pull Down Resistor 250
kW
AUDIO PERFORMANCES
v
oo
Output offset 0.3 mV
PSRR Power supply rejection ratio
F = 217 Hz, Input ac grounded 77 dB
F = 1 kHz, Input ac grounded 63
SNR Signal to noise ratio V
P
= 5 V, Pout = 600 mW (A. Weighted) 97 dB
CMRR Common mode rejection ratio Input shorted together
V
IC
= 1 V
pp
, f = 217 Hz
80 dB
Vn Output Voltage noise Input ac grounded, Av =
0 dB
No
weighting
35 mV
A. Weighted 26
8. Performances guaranteed over the indicated operating temperature range by design and/or characterization, production tested at T
J
= T
A
= 25°C.
NCP2823 Series
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS Min and Max Limits apply for T
A
between 40°C to +85°C and for V
DD
between 2.5 V to 5.5 V
(Unless otherwise noted). Typical values are referenced to T
A
= + 25 °C and V
DD
= 3.6 V. (see Note 8)
Symbol UnitMaxTypMinConditionsParameter
AUDIO PERFORMANCES
Po
Output Power NCP2823A
RL = 8 W
F = 1 kHz
THD+N
< 1%
V
P
= 5 V 1.5
W
V
P
= 3.6 V 0.7
V
P
= 2.5 V 0.22
THD+N
< 10%
V
P
= 5 V 1.8
V
P
= 3.6 V 0.87
V
P
= 2.5 V 0.4
NCP2823B
RL = 4 W
F = 1 kHz
THD+N
< 1%
V
P
= 5 V 1.72
V
P
= 3.6 V 1.2
V
P
= 2.5 V 0.58
THD+N
< 10%
V
P
= 5 V 3
V
P
= 3.6 V 1.57
V
P
= 2.5 V 0.71
THD+N Total harmonic distortion plus
noise
V
P
= 3.6 V, Av = 6 dB, Po = 0.5 W 0.1
%
V
P
= 5 V, Av = 6 dB, Po = 1 W 0.08
8. Performances guaranteed over the indicated operating temperature range by design and/or characterization, production tested at T
J
= T
A
= 25°C.
NCP2823 Series
http://onsemi.com
6
TYPICAL OPERATING CHARACTERISTICS
Pout (mW)
(%)
Figure 3. Efficiency vs P
out
0
10
20
30
40
50
60
70
80
90
100
0 500 1000 1500 2000
V
P
= 5.5 V
5 V
4.2 V
3.6 V
3 V to 2.5 V
Pout (W)
THD+N (%)
0.01 0.1
1
10
0.01
0.1
1
10
Figure 4. NCP2823A/B, THD+N vs P
out
,
R
L
= 8 W
V
P
= 5.5 V
4.2 V
3.6 V
3 V
2.5 V
0.01
0.1
1
10
0.01 0.1 1 10
Pout (W)
THD+N (%)
Figure 5. NCP2823B, THD+N vs Pout, R
L
= 4 W
V
P
= 5.5 V
4.2 V
3.6 V
3 V
FREQUENCY (Hz)
THD(%)
0.001
0.01
0.1
1
10 100 1000 10000 100000
V
P
= 2.7 V
Figure 6. THD+N vs Frequency P
out
= 150 mW,
R
L
= 8 W
0.001
0.01
0.1
1
10 100 1000 10000 100000
FREQUENCY (Hz)
THD(%)
0.001
0.01
0.1
1
10 100 1000 10000 100000
THD(%)
FREQUENCY (Hz)
V
P
= 3.6 V
V
P
= 5 V
Figure 7. THD+N vs Frequency P
out
= 250 mW,
R
L
= 8 W
Figure 8. THD+N vs Frequency P
out
= 500 mW,
R
L
= 8 W
3.6 V
V
P
= 5 V
2.5 V
5 V
5 V
2.5 V

NCP2823AFCT2G

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
Audio Amplifiers GRESHAM FCI AUDIO AMP
Lifecycle:
New from this manufacturer.
Delivery:
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