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SSM2529ACBZ-R7 Scheda tecnica(PDF) 5 Page - Analog Devices

Il numero della parte SSM2529ACBZ-R7
Spiegazioni elettronici  Digital Input, Mono 2 W, Class-D Audio Power Amplifier
PDF  52 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
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SSM2529ACBZ-R7 Scheda tecnica(HTML) 5 Page - Analog Devices

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Data Sheet
SSM2529
Rev. 0 | Page 5 of 52
SPECIFICATIONS
Standard test condition: SPKVDD = 4.2 V; DVDD = 1.8 V; fS = 48 kHz; MCLK = 128 × fS; TA = 25°C; RL = 8 Ω + 33 µH; LP_MODE = 0;
0 dB volume control setting, unless otherwise noted.
PERFORMANCE SPECIFICATIONS
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
DEVICE CHARACTERISTICS
Output Power
P
OUT
f = 1 kHz, BW = 20 kHz
R
L = 4 Ω, THD = 1%, SPKVDD = 5.0 V
2.4
W
R
L = 4 Ω, THD = 10%, SPKVDD = 5.0 V
3.1
W
R
L = 8 Ω, THD = 1%, SPKVDD = 5.0 V
1.4
W
R
L = 8 Ω, THD = 10%, SPKVDD = 5.0 V
1.8
W
R
L = 4 Ω, THD = 1%, SPKVDD = 4.2 V
1.7
W
R
L = 4 Ω, THD = 10%, SPKVDD = 4.2 V
2.2
W
R
L = 8 Ω, THD = 1%, SPKVDD = 4.2 V
0.95
W
R
L = 8 Ω, THD = 10%, SPKVDD = 4.2 V
1.2
W
R
L = 4 Ω, THD = 1%, SPKVDD = 3.6 V
1.2
W
R
L = 4 Ω, THD = 10%, SPKVDD = 3.6 V
1.6
W
R
L = 8 Ω, THD = 1%, SPKVDD = 3.6 V
0.7
W
R
L = 8 Ω, THD = 10%, SPKVDD = 3.6 V
0.9
W
R
L = 4 Ω, THD = 1%, SPKVDD = 2.5 V
0.55
W
R
L = 4 Ω, THD = 10%, SPKVDD = 2.5 V
0.72
W
R
L = 8 Ω, THD = 1%, SPKVDD = 2.5 V
0.32
W
R
L = 8 Ω, THD = 10%, SPKVDD = 2.5 V
0.42
W
Efficiency
η
P
OUT = 2 W into 4 Ω, SPKVDD = 5.0 V
91
%
P
OUT = 1.4 W into 8 Ω, SPKVDD = 5.0 V, normal operation
95
%
P
OUT = 1.4 W into 8 Ω, SPKVDD = 5.0 V, ultralow EMI operation
86
%
Total Harmonic Distortion Plus
Noise
THD + N
P
OUT = 1 W into 8 Ω, f = 1 kHz, SPKVDD = 5.0 V
0.03
%
P
OUT = 0.7 W into 8 Ω, f = 1 kHz, SPKVDD = 4.2 V
0.03
%
P
OUT = 0.5 W into 8 Ω, f = 1 kHz, SPKVDD = 3.6 V
0.03
%
Average Switching Frequency
f
SW
280
kHz
Differential Output Offset
Voltage
V
OOS
2.0
mV
Power Supply Rejection Ratio
PSRR (DC)
SPKVDD = 2.5 V to 5.0 V
70
80
dB
PSRR
GSM
V
RIPPLE = 100 mV rms at 217 Hz, dither input
80
dB
Supply Current
I
SPKVDD
Dither input, SPKVDD = 5.0 V
3.0
mA
Dither input, SPKVDD = 4.2 V
2.8
mA
Dither input, SPKVDD = 3.6 V
2.7
mA
Dither input, SPKVDD = 2.5 V
2.4
mA
Power-down
100
nA
Supply Current
I
DVDD
Dither input, DVDD = 1.8 V
0.6
mA
Dither input, DVDD = 1.08 V
0.3
mA
Power-down
2
µA
Output Voltage Noise
e
n
f = 20 Hz to 20 kHz, dither input
22
µV
Signal-to-Noise Ratio
SNR
A-weighted reference to 0 dBFS, SPKVDD = 4.2 V
103
dB
Mute Attenuation
Soft mute on
100
dB



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