ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 7

• Manufacturer Part Number: ak4141
• Description: Nicam/a2/eia-j Digital Stereo Decoder
• Manufacturer: AKM Semiconductor, Inc.

(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
SIF Input Impedance
SIF Separation
AGC step width
Input Voltage
Max FM-deviation (approx.)
NICAM Characteristics
Output level (1kHz, 0dBr)
S/N
THD+N
NICAM Bit Error Rate (FM+ NICAM, normal condition)
Frequency response (20 ~ 15kHz, -12dB, dual)
NICAM Crosstalk attenuation (dual)
Channel separation (stereo)
FM Characteristics
Output level (1kHz, 0dBr)
S/N
THD+N
Frequency response (20 ~ 12kHz, -12dB, dual)
FM Crosstalk attenuation (dual)
Channel separation (stereo)
AM Characteristics
S/N
THD+N
Frequency response (20 ~ 12kHz, -12dB, dual)
Note 3. Selected SIF pin is connected to GND through 10nF capacitor.
Note 4. 1 FM-Carrier, 5.5MHz.
MS0952-E-00
GSEL bit = 0
GSEL bit = 1
1 or 2 FM Carriers
1 FM and 1 NICAM Carrier
1 AM and 1 NICAM Carrier
1 NICAM Only
Normal
High deviation
Very High Deviation
GSEL bit = “0”
GSEL bit = “1”
GSEL bit = “0”
GSEL bit = “1”
GSEL bit = “0”
GSEL bit = “1”
GSEL bit = “0”
GSEL bit = “1”
(Note
(Note
3)
4)
AUDIO CHARACTERISTICS
- 7 -
4.05
5.09
0.05
0.05
min
min
min
min
-2.5
-1.5
-1.5
0.1
0.1
0.1
0.1
0.1
0.1
30
74
80
80
67
75
30
47
-1
-1
4.50
5.66
0.64
0.05
typ
typ
typ
typ
0.1
1.2
50
80
73
85
40
62
+/-180
+/-360
+/-540
max
max
+1.5
max
+1.5
max
0.15
1.4
1.0
1.4
1.0
0.8
0.8
1.0
1.0
0.3
+1
+1
+1
1
3
[AK4141]
2008/05
Units
kohm
kohm
Units
Units
Units
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
kHz
kHz
kHz
10
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
%
%
-7