AK4386(2003) 데이터 시트보기 (PDF) - Asahi Kasei Microdevices

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AK4386
(Rev.:2003)

100dB 96kHz 24-Bit 2ch ΔΣ DAC

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4386]

ANALOG CHARACTERISTICS

(Ta=25°C; VDD=3.0V; VSS=0V; fs=44.1kHz, 96kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data;

Measurement frequency=20Hz ∼ 20kHz at fs=44.1kHz, 20Hz ∼ 40kHz at fs=96kHz; unless otherwise specified)

Parameter

min

typ

max

Units

Dynamic Characteristics:

Resolution

THD+N

DR

S/N

Interchannel Isolation

fs=44.1kHz 0dBFS

BW=20kHz −60dBFS

fs=96kHz

0dBFS

BW=40kHz −60dBFS

(−60dBFS with A-weighted)

(A-weighted)

24

Bits

−86

−76

dB

−37

-

dB

−84

-

dB

−34

-

dB

92

100

dB

92

100

dB

80

100

dB

DC Accuracy:

Interchannel Gain Mismatch

Gain Drift

Output Voltage

Load Resistance

Load Capacitance

0.2

0.5

dB

100

-

ppm/°C

(Note 2) 1.85

2.0

2.15

Vpp

(Note 3) 10

kΩ

25

pF

Power Supplies

Power Supply Current

Normal Operation (PDN pin = “H”, fs=44.1kHz)

6

9

mA

Normal Operation (PDN pin = “H”, fs=96kHz)

6.5

10

mA

Power Save mode (PDN pin = “H”, MCLK Stop)

Full Power-down mode (PDN pin = “L”)

(Note 4)

1.5

2.5

mA

10

50

µA

Note 2. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, Vout = 0.67 × VDD (typ).

Note 3. For AC-load.

Note 4. All digital input pins are fixed to VDD or VSS.

MS0280-E-00

-5-

2003/12

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