[AK4141]

MS0952-J-03

2013/12

- 7 -

オーディオ特性

(Ta=25C; AVDD=3.3V, DVDD=1.8V, TVDD=3.3V; GND1=GND2=GND3=GND4=GND5=0V; fs=48kHz;

SCLK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=50Hz  13kHz; unless otherwise specified)

SIF & Demodulator Parameter

min

typ

max

Unit

SIF Input Impedance

GSEL bit = 0

GSEL bit = 1

4.05

5.09

4.50

5.66

kohm

kohm

SIF Separation (Note 3)

30

50

dB

AGC step width

0.64

dB

Input Voltage

1 or 2 FM Carriers

GSEL bit = “0”

GSEL bit = “1”

1 FM and 1 NICAM Carrier

GSEL bit = “0”

GSEL bit = “1”

1 AM and 1 NICAM Carrier

GSEL bit = “0”

GSEL bit = “1”

1 NICAM Only

GSEL bit = “0”

GSEL bit = “1”

0.1

0.1

0.1

0.1

0.1

0.1

0.05

0.05

1.4

1.0

1.4

1.0

0.8

0.8

1.0

1.0

Vpp

Vpp

Vpp

Vpp

Vpp

Vpp

Vpp

Vpp

Max FM-deviation (approx.)

Normal

High deviation

Very High Deviation

+/-180

+/-360

+/-540

kHz

kHz

kHz

NICAM Characteristics

min

typ

max

Units

Output level (1kHz, 0dBr)

-1.5

+1.5

dB

S/N

74

80

dB

THD+N

0.05

0.15

%

NICAM Bit Error Rate (FM+ NICAM, normal condition)

1

10

-7

Frequency response (20 ~ 15kHz, -12dB, dual)

-1

+1

dB

NICAM Crosstalk attenuation (dual)

80

dB

Channel separation (stereo)

80

dB

FM Characteristics (Note 4)

min

typ

max

Units

Output level (1kHz, 0dBr)

-1.5

+1.5

dB

S/N

67

73

dB

THD+N

0.1

0.3

%

Frequency response (20 ~ 12kHz, -12dB, dual)

-1

+1

dB

FM Crosstalk attenuation (dual)

75

85

dB

Channel separation (stereo)

30

40

dB

AM Characteristics

min

typ

max

Units

S/N

47

62

dB

THD+N

1.2

3

%

Frequency response (20 ~ 12kHz, -12dB, dual)

-2.5

+1

dB

Note 3. Selected SIF pin is connected to GND through 10nF capacitor.

Note 4. 1 FM-Carrier, 5.5MHz.