ASAHI KASEI

[AK5394A]

MS0137-E-03

2005/05

- 7 -

ANALOG CHARACTERISTICS

(Ta = 25

°C; VA=5.0V; VD=3.3V; AGND=BGND=DGND=0V; fs=48kHz; Signal Frequency=1kHz; 24bit Output;

Measurement frequency=10Hz

∼ 20kHz; DFS0=“L”, DFS1=“L”; External circuit: Figure 10 Inputted through XLR;

unless otherwise specified)

Parameter

min

Typ

Max

Units

Resolution

24

Bits

Analog Input Characteristics:

fs=48kHz

−1dBFS (Note4)

−1dBFS

−20dBFS

−60dBFS

-

87

-

-

110

94

100

60

dB

dB

dB

dB

fs=96kHz

BW=40kHz

−1dBFS (Note4)

−1dBFS

−20dBFS

−60dBFS

-

87

-

110

94

97

57

dB

dB

dB

dB

S/(N+D)

fs=192kHz

BW=80kHz

−1dBFS

−20dBFS

−60dBFS

-

-

-

94

92

52

dB

dB

dB

Dynamic Range (-60dBFS with A-weighted)

(Note4)

117

-

123

120

dB

dB

S/N

( A-weighted)

(Note4)

117

-

123

120

dB

dB

Interchannel Isolation

110

120

dB

Interchannel Gain Mismatch

0.1

0.5

dB

Gain Drift

150

ppm/

°C

Offset Error

After calibration, HPF=OFF

After calibration, HPF=ON

±1000

±1

-

-

Offset Drift

(HPF=OFF)

-

±10

-

Offset Calibration Range

(HPF=OFF)

(Note5)

±50

mV

Input Voltage

(AIN+)

− (AIN−)

±2.25

±2.4

±2.55

V

Power Supplies:

Power Supply Current

VA

VD (fs=48kHz; DFS0=“L”, DFS1=“L”)

(fs=96kHz; DFS0=“H”, DFS1=“L”)

(fs=192kHz; DFS0=“L”, DFS1=“H”)

127

9

13

21

165

13.5

20

32

mA

mA

mA

mA

Power Dissipation

665

870

mW

Power Supply Rejection

(Note 6)

70

dB

Notes: 4. Using the circuit as shown in Figure9 (Analog input buffer circuit example 1). 1000µF capacitors connected

between VREF+/

− pin and GND.

5. The output level reduces equivalent to DC offset after calibration.

6. PSRR is applied to VA and VD with 1kHz, 20mVpp.