AK5522VN datasheet(8/84 Pages) AKM

8 / 84 page

[AK5522]

017002311-E-00

2017/03

- 8 -

8. Analog Characteristics

■ Analog Power Supply=5.0V

(Ta=25

C; AVDD=5.0V; DVDD=3.3V, fs=48kHz, 96kHz; 192kHz, BICK=64fs; Signal Frequency=1kHz;

32-bit Data; Measurement frequency=20Hz - 20kHz at fs=48kHz, 40Hz - 40kHz at fs=96kHz and

192kHz, Gain=0dB, unless otherwise specified.)

Parameter

Min.

Typ.

Max.

Unit

Analog Input Characteristics:

Resolution

(Note 8)

Bit

Input Voltage

2.0

2.1

2.2

Vrms

S/(N+D)

fs=48kHz

BW=20kHz

1dBFS

20dBFS

60dBFS

fs=96kHz

BW=40kHz

1dBFS

20dBFS

60dBFS

fs=192kHz

BW=40kHz

1dBFS

20dBFS

60dBFS

Dynamic Range

(

60dBFS with A-weighted) fs=48kHz, BW=20kHz

103

108

Dynamic Range (

60dBFS) fs=96kHz, 192kHz, BW=40kHz

103

S/N (A-weighted)

fs=48kHz, BW=20kHz

103

108

S/N

fs=96kHz, 192kHz, BW=40kHz

103

Input Resistance

Full Differential

Gain= +12dB

0dB

3dB

8.5

20.7

23.8



Pseudo Differential

Single End

Gain= +12dB

0dB

3dB

14.0

27.3

30.3



Interchannel Isolation

110

120

Interchannel Gain Mismatch

0.5

Power Supply Rejection Ratio (PSRR)

(Note 9)

Common Mode Rejection Ratio (CMRR)

VREF pin Output Voltage

3.72

3.92

4.12

Regulator for External DAC

Output Voltage

3.0

3.3

3.6

Output Current

Power Supply Rejection Ratio

(Note 9)

Output Noise (Flat)

101

dBV

Power Supplies

Power Supply Current

Normal Operation (

PDN pin = “H”)

(Note 10)

AVDD

DVDD

(fs=48kHz)

DVDD

(fs=96kHz)

DVDD

(fs=192kHz)

Power down mode (

PDN pin = “L”)

(Note 11)

AVDD+DVDD

4.7

8.1

7.6

A

Note 8. ADC full-scale input voltage at Gain=0dB. The signal input amplitude can

’t exceed 2.1Vrms (typ.)

even if the gain is from

3dB to 1dB.

Note 9. PSRR is applied to AVDD, DVDD with 20Hz - 20kHz sine wave.

Note 10. PLL Master mode. PLL3-0 bits =

“0101b”

Note 11. All digital inputs are fixed to DVDD or DVSS.

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