YDA139 Datasheet, PDF (12/18 Pages) YAMAHA CORPORATION – D- 4 STEREO 2.5W DIGITAL AUDIO POWER AMPLIFIER

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●Analog Characteristics^*6) (V_SS=0V, V_DDP= V_DDA =5.0V, Ta=25ºC, R_L=8Ω, unless otherwise specified)
・Digital Amplifier Section
Item
Symbol
Conditions
Min. Typ. Max. Unit
Maximum output
(WLCSP25)
Maximum output
(SSOP24)
R_L=8Ω ^{VDDP=5.0V,VDDA=5.0V,f=1kHz,THD+N=10%}
1.5
W
P_O
V_DDP=3.6V,V_DDA=3.0V,f=1kHz,THD+N=10%
0.8
W
R_L=4Ω
V_DDP=5.0V,V_DDA=5.0V,f=1kHz,THD+N=10%
V_DDP=3.6V,V_DDA=3.0V,f=1kHz,THD+N=10%
2.5
1.2
W
W
P_O
R_L=8Ω
R_L=4Ω
V_DDP=5.0V,V_DDA=5.0V,f=1kHz,THD+N=10%
V_DDP=3.6V,V_DDA=3.0V,f=1kHz,THD+N=10%
V_DDP=5.0V,V_DDA=5.0V,f=1kHz,THD+N=10%
V_DDP=3.6V,V_DDA=3.0V,f=1kHz,THD+N=10%
1.3
0.65
2.5
1.0
W
W
W
W
GAIN[1:0]=L,L
12
dB
Voltage Gain
(Analog input mode)
GAIN[1:0]=L,H
A_V
GAIN[1:0]=H,L
18
dB
21.6
dB
GAIN[1:0]=H,H
26
dB
Total Harmonic Distortion Rate
(Analog input mode)
THD+N ^{RL=4Ω, PO=1.25W, f=1kHz, GAIN[1:0]=L,L}
R_L=8Ω, P_O=0.65W, f=1kHz, GAIN[1:0]=L,L
0.03
%
0.03
%
Total Harmonic Distortion Rate
(Digital input mode)
THD+N ^{RL=4Ω, PO=1.25W, f=1kHz}
R_L=8Ω, P_O=0.65W, f=1kHz
0.05
%
0.05
%
Signal /Noise Ratio
(Analog input mode)
SNR
R_L=8Ω, P_O=1.5W, A-Weight,
GAIN [1:0]=L,L
99
dB
Signal /Noise Ratio
(Digital input mode)
SNR R_L=8Ω, P_O=1.5W, A-Weight
98
dB
Channel Separation Ratio
CS 1kHz, GAIN[1:0]=L,L
85
dB
Power supply rejection ratio^*7)
PSRR ^{VDDP=5.0V, VDDA=5.0V, f=217Hz}
V_DDP=3.6V, V_DDA=3.0V, f=217Hz
80
dB
90
dB
Maximum Efficiency
(WLCSP25)
η
R_L=8Ω, P_O=1.5W
91
%
Maximum Efficiency
(SSOP24)
η
R_L=8Ω, P_O=1.5W
88
%
Output offset voltage
Vo
-
(Analog input mode)
±10
mV
Output offset voltage
Vo
-
(Digital input mode)
±20
mV
Frequency characteristics
(Analog input mode)
Frequency characteristics
(Digital input mode)
f_RES
C_IN =0.01uF , f=200Hz
C_IN =0.01uF , f=20kHz
f=20Hz
f_RES
f=20kHz
－3/+1
dB
±1
dB
±1
dB
±1
dB
Carrier clock frequency
f_SW AVDD=5V
- 920 - kHz
Over-current protection mode
recovery time
T_WT C_VREF=1uF, C_IN=0.01uF
- 300 - ms
Start-up time when power supply
rise
T_PS
C_VREF=1uF, C_IN=0.01uF
- 400 - ms
Power-down recovery time
T_PDR C_VREF=1uF, C_IN=0.01uF
Note) *6:All the values of analog characteristics were obtained by using our evaluation circumstance.
Depending upon parts and pattern layout to use, characteristics may be changed.
*7:AVDD and PVDD are different power supply.
*8:Measurements in V_DDP=5V is the value in which snubber circuit (1Ω+330pF) is mounted.
-
0.8
- ms
12