YDA131-EZ 데이터 시트보기 (PDF) - Yamaha Corporation

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YDA131-EZ

STEREO 2.5W DIGITAL AUDIO POWER AMPLIFIER

Yamaha Corporation 

YDA131

■Electrical characteristics

1. Absolute maximum rating

Item

Symbol

Rating

Unit

VDD terminal power supply voltage *1 VDD

VSS -0.5～VSS +6.0

V

Digital input terminal voltage

VDIN

VSS -0.5～VDD+0.5

V

Analog input terminal voltage

VAIN

VSS -0.5～VDD+0.5

V

Storage temperature

TSTG

-50～125

°C

Maximum allowable loss (Ta=85°C)

PD85

413

mW

Maximum allowable loss (Ta=25°C)

PD25

1034

mW

Junction temperature

Tjmax

125

°C

Note. *1:VDD covers all of VDD terminals, including VDDPL, VDDPR, VDDL and VDDR.

VSS covers all of VSS terminals, including VSSPL, VSSPR, VSSL, VSSR and VSS.

2. Recommended operating conditions

Item

Symbol

Min.

Power supply voltage

VDD

3.15

Operating ambient temperature

TOP

-40

(ambient temperature Ta)

Output load impedance

RL

4

Typ.

5.0

25

Max.

Unit

5.25

V

85

°C

Ω

3. DC characteristics (VDD=5V±0.25V, Ta=-40 to 85°C)

Item

Symbol

Condition

Min. Typ. Max.

Unit

Output voltage "H" level VOH

IOH= -80µA、PROT terminal VDD-1.0

V

Output voltage "L" level VOL

IOL= 1.6mA、PROT terminal

VSS+0.4

V

Input voltage "H" level VIH

SLEEP, MUTE terminal

3.5

V

Input voltage "L" level VIL

SLEEP, MUTE terminal

1.0

V

Consumption current 1 IDD1

at SLEEP mode

1

µA

Consumption current 2 IDD2

at MUTE mode

7

mA

Consumption current 3 IDD3

no signal, no filter

14

mA

Note. These values do not guarantee the characteristics at VDD=3.3V±0.15V.

4. Analog characteristics （VDD=5.0V, Ta=25°C, Frequency=1kHz）

Item

Symbol

Condition

Min.

Typ.

Max. Unit

Maximum output

Po

THD+N=10％、RL=4Ω

2.5

W

Voltage gain

Av

(RI=7.5kΩ, RF=47kΩ)

RL=4Ω

24

dB

Total harmonic distortion THD+N RL=4Ω, Po=1.0W

0.018

％

(20kHz Band Width)

Signal/noise ratio

SNR Input sensitivity 1.0V RL=4Ω

103

dB

（A-Filter）

Input sensitivity 150mV RL=4Ω

97

dB

Channel separation

CS

RL=4Ω

80

dB

Maximum efficiency

η

RL=8Ω

85

％

RL=4Ω

75

％

Output offset voltage

Vo

RL=4Ω

6

mV

Note. All the analog characteristics shown above are the values obtained on the DMB-D1, Yamaha's YDA131

evaluation board.

The characteristics may vary according to the coils and capacitors that are used, pattern layout and other

factors.

These values do not guarantee the characteristics at VDD=3.3±0.5V.

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