[AK5358B]

MS1155-E-00

2010/02

- 5 -

ANALOG CHARACTERISTICS

(Ta=25

°C; VA=5.0, VD=5.0V; VSS1=VSS2=0V; fs=48kHz, 96kHz; SCLK=64fs; Signal Frequency=1kHz; 24bit Data;

Measurement frequency=20Hz

∼ 20kHz at fs=48kHz, 40Hz ∼ 40kHz at fs=96kHz; unless otherwise specified)

Parameter

min

typ

max

Units

ADC Analog Input Characteristics:

Resolution

24

Bits

Input Voltage

(Note 4)

2.7

3.0

3.3

Vpp

−1dBFS

82

92

dB

fs=48kHz

BW=20kHz

−60dBFS

-

39

dB

−1dBFS

-

90

dB

S/(N+D)

fs=96kHz

BW=40kHz

−60dBFS

-

38

dB

DR

(

−60dBFS, A-weighted)

94

102

dB

S/N

(A-weighted)

94

102

dB

fs=48kHz

13

20

k

Ω

Input Resistance

fs=96kHz

9

14

k

Ω

Interchannel Isolation

90

110

dB

Interchannel Gain Mismatch

0.1

0.5

dB

Gain Drift

100

-

ppm/

°C

Power Supply Rejection

(Note 5)

-

50

dB

Power Supplies

Power Supply Current

Normal Operation (PDN pin = “H”)

VA

VD

(fs=48kHz)

(Note 6)

VD

(fs=96kHz)

(Note 7)

Power down mode (PDN pin = “L”)

(Note 8)

VA+VD

12

3

6

10

18

5

9

100

mA

mA

mA

μA

Note 4. This value is the full scale (0dB) of the input voltage. Input voltage is proportional to VA voltage.

Vin = 0.6 x VA (Vpp).

Note 5. PSR is applied to VA and VD with 1kHz, 50mVpp.

Note 6. VD=2mA@3V

Note 7. VD=4mA@3V

Note 8. All digital input pins and CKS1 pin are held VD or VSS2.