AK4141 Datasheet, PDF (8/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder

[AK4141]
オーディオ特性 (Continued)
(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)
EIAJ Characteristics
min
typ
max
Unit
S/N
Stereo
Sub
54
60
dB
54
60
dB
THD+N (1kHz L or R or Sub 100%EIM)
Stereo
Sub
Frequency response
Stereo (20 ~ 12kHz, 100%EIM)
Sub (20 ~ 12kHz, 100%EIM)
Channel separation (stereo)
0.3
0.9
%
0.3
0.9
%
-1
+1
dB
-1
+1
dB
30
40
dB
SRC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=20Hz ~ FSO/2; unless otherwise specified)
Parameter
Symbol min
typ max Unit
SRC Characteristics:
Resolution
20
Bits
Input Sample Rate
FSI
8
216 kHz
Output Sample Rate
FSO
32
48
kHz
THD+N
(Input = 1kHz, 0dBFS, Note 5)
FSO/FSI = 48kHz/8kHz
FSO/FSI = 48kHz/32kHz
FSO/FSI = 48kHz/192kHz
-
-100
-
dB
-
-100
-
dB
-
-100
-
dB
Worst Case (FSO/FSI = 32kHz/176.4kHz)
-
-91
-81
dB
Dynamic Range (Input = 1kHz, 60dBFS, A-weighted, Note 5)
FSO/FSI = 48kHz/8kHz
-
115
-
dB
FSO/FSI = 48kHz/32kHz
-
115
-
dB
FSO/FSI = 48kHz/192kHz
Worst Case (FSO/FSI = 32kHz/176.4kHz)
-
115
-
dB
111
115
-
dB
Ratio between Input and Output Sample Rate
Note 5. Audio Precision System Two Cascade使用
FSO/FSI 1/6
6
-
Power Supplies
Parameter
min
typ
max
Unit
Power Supply Current
Normal Operation (PDN pin = “H”)
TVDD
5
8
mA
AVDD1+AVDD2
20
28
mA
DVDD
61
92
mA
Power-Down Mode (PDN pin = “L”; Note: 1)
TVDD
10
100
A
AVDD1+AVDD2
10
100
A
DVDD
10
100
A
Note: 1. クロックピンを含む全てのディジタル入力ピンをDVDDまたはGNDに固定した時の値です。
MS0952-J-03
-8-
2013/12