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NCP2823 Datasheet(PDF) 4 Page - ON Semiconductor

Part # NCP2823
Description  High Efficiency 3W Filterless Class D Audio Amplifier
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

NCP2823 Datasheet(HTML) 4 Page - ON Semiconductor

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NCP2823 Series
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS Min and Max Limits apply for TA between −40°C to +85°C and for VDD between 2.5 V to 5.5 V
(Unless otherwise noted). Typical values are referenced to TA = + 25 °C and VDD = 3.6 V. (see Note 8)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
GENERAL PERFORMANCES
VP
Operational Power Supply
2.5
5.5
V
FOSC
Oscillator Frequency
250
300
350
kHz
IDD
Supply current
NCP2823A
VP = 3.6 V, No Load
NCP2823B
VP = 3.6 V, No Load
1.8
2.6
2.4
4.6
mA
Isd
Shutdown current
VENL = VENR = 0 V
0.01
1
mA
TON
Turn ON Time
EN rising edge
7.4
ms
TOFF
Turn Off Time
EN falling edge
4
ms
Zsd
Class D Output impedance in
shutdown mode
VENL = 0 V
20
kW
RDS(ON)
Static drain−source on−state
resistance of power Mosfets
300
mW
h
Efficiency
NCP2823A, VP = 3.6 V, Po = 600 mW, RL =
8 W, F = 1 kHz
92
%
NCP2823B, VP = 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
FLP
−3 dB Cut off Frequency of
the Built in Low Pass Filter
30
kHz
TSD
Thermal Shut Down
Protection
150
°C
TSDH
Thermal Shut Down
Hysteresis
10
°C
VIH
Rising Voltage Input Logic
High
1.2
VDD
V
VIL
Falling Voltage Input Logic
Low
0.4
V
RPLD
Pull Down Resistor
250
kW
AUDIO PERFORMANCES
voo
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
VP = 5 V, Pout = 600 mW (A. Weighted)
97
dB
CMRR
Common mode rejection ratio
Input shorted together
VIC = 1 Vpp, 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 TJ
= TA = 25°C.


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