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YMF781 Datasheet, PDF (11/14 Pages) YAMAHA CORPORATION – APL-1 Automobile sound PLayer-1 | |||
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YMF781
âAnalog Characteristics
Conditions: TOP=25â, VDD=3.30V, SPVDD=3.30V
ã»SP Amplifier
Item
ï¼in. ï¼´yp. ï¼ax.
Gain Settings (Fixed)
±2
Minimum load resistance (RL)
8
Maximum Output Voltage Width (RL=8â¦)
5.5
Maximum Output Power (RL=8â¦, THD+Nâ¦1.0%)
480
THD + N (RL=8â¦, f=1kHz, 330mW output)
0.03
Quiescent noise (A-filter: weighing filter)
-90
PSRR (f=1kHz)
Amplitude Center voltage
90
0.5ÃVDD
Differential Output Voltage
10
50
Connectable maximum load capacitance to SPOUT1,
1000
SPOUT2 terminal (*)
(*): MAX 1000pF can be connected to the SPOUT1 terminal and the SPOUT2 terminal.
ã»EQ Amplifier
Item
Possible Gain Setting Range
Maximum Output Voltage Amplitude
THD + N (f=1kHz)
Quiescent noise (A-filter)
Input Impedance
Feedback resistor between EQ2-EQ3
ï¼in.
10
20
ï¼´yp.
3.0
-90
ï¼ax.
30
0.05
ã»SP Volume
Item
Volume Setting Range
Volume Step Width
THD + N (f=1kHz)
ï¼in.
-30
ï¼´yp.
1
ï¼ax.
0
0.05
ã»EQ Volume
Item
Volume Setting Range
Volume Step Width
Quiescent noise (A-filter)
Maximum Output Current
Maximum Output Voltage Amplitude
Output Impedance
ï¼in.
-30
132
ï¼´yp.
1
-90
1.65
300
ï¼ax.
0
600
ã»HP Volume
Item
Volume Setting Range
Volume Step Width
Quiescent noise (A-filter)
Maximum Output Current
Maximum Output Voltage Amplitude
Output Impedance
ï¼in.
-30
132
ï¼´yp.
1
-90
1.65
300
ï¼ax.
0
600
ã»VREF
Item
VREF Voltage
ï¼in. ï¼´yp. ï¼ax.
0.5ÃVDD
ã»DAC
Item
ï¼in.
Resolution
Full scale Output Voltage
THD+N (f= 1kHz)
Quiescent noise (A-filter)
Frequency Characteristics (f=50Hz to 20kHz)
-3.0 (*)
(*) A drop of the high range response owing to the aperture effect.
ï¼´yp.
16
1.65
-85
ï¼ax.
0.5
80
+0.5
ï¼µnit
times
â¦
Vp-p
mW
ï¼
dBV
dB
V
mV
pF
ï¼µnit
dB
Vp-p
ï¼
dBV
Mâ¦
kâ¦
ï¼µnit
dB
dB
ï¼
ï¼µnit
dB
dB
dBV
μA
Vp-p
â¦
ï¼µnit
dB
dB
dBV
μA
Vp-p
â¦
ï¼µnit
V
ï¼µnit
Bit
Vp-p
ï¼
dBV
dB
11
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