AKD4366 データシートの表示（PDF） - Asahi Kasei Microdevices

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AKD4366

Low Power 24-Bit 2ch DAC with HP-AMP

Asahi Kasei Microdevices 

ASAHI KASEI

AKM CONFIDENTIAL

[AK4366]

ANALOG CHARACTERISTICS

(Ta=25°C; VDD=HVDD=2.4V, VSS=0V; fs=44.1kHz; BOOST OFF; Signal Frequency =1kHz; Measurement band

width=10Hz ∼ 20kHz; Load impedance is a serial connection with RL =16Ω and CL=220µF. (Refer to Figure 19); unless

otherwise specified)

Parameter

min

typ

max

Units

DAC Resolution

-

-

24

bit

Headphone-Amp: (HPL/HPR pins) (Note 3)

Analog Output Characteristics

THD+N (-3dBFS Output, Po=15mW@16Ω, 2.4V)

-

-58

(-3dBFS Output, Po=28mW@16Ω, 3.3V)

-

-58

D-Range (-60dBFS Output, A-weighted, 2.4V)

TBD

92

TBD

dB

-

dB

-

dB

(-60dBFS Output, A-weighted, 3.3V)

S/N

(A-weighted, 2.4V)

(A-weighted, 3.3V)

Interchannel Isolation

-

94

TBD

92

-

94

TBD

80

-

dB

-

dB

-

dB

-

dB

DC Accuracy

Interchannel Gain Mismatch

-

0.2

Gain Drift

-

200

Load Resistance

(Note 4)

16

-

Load Capacitance

-

-

Output Voltage (-3dBFS Output)

(Note 5)

TBD

1.39

TBD

-

-

300

TBD

dB

ppm/°C

Ω

pF

Vpp

Max Output Power

Power Supplies

(RL=16Ω, 2.4V)

(RL=16Ω, 3.3V)

-

26

-

50

-

mW

-

mW

Power Supply Current

Normal Operation (PDN= “H”)

VDD

HVDD

Power-Down Mode (PDN= “L”)

(Note 6)

-

-

(Note 7)

-

1.6

TBD

mA

1.0

TBD

mA

1

TBD

µA

Note 3. DACL=DACR= “1”, ATTL=ATTR=0dB.

Note 4. AC Load

Note 5. Output voltage is proportional to VDD voltage. Vout = 0.58 x VDD(typ)@-3dBFS.

Note 6. PMDAC=PMHPL=PMHPR= “1”, MUTEN= “1” and HP-Amp output is off.

Note 7. All digital input pins including clock pins (MCLK, BICK and LRCK) are held at DVDD or DVSS. PDN pin is held

at VSS.

REV 0.6

2003/3

-6-

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