ak4145 AKM Semiconductor, Inc., ak4145 Datasheet - Page 5

• Manufacturer Part Number: ak4145
• Description: Digital Stereo Btsc Encoder
• Manufacturer: AKM Semiconductor, Inc.

(Ta=25°C; AVDD=TVDD=3.3V; DVDD=1.8V; fs=48kHz; BICK=64fs; Signal Frequency=1kHz; 16bit Data;
Parameter
Resolution
Composite Audio Output Characteristics
BTSC Encoder Characteristics
Video Sync Input Characteristics
Power Supplies
Power Supply Current
Note 3. All digital input pins are held to VSS.
Note 4. AC-load.
Note 5. Received by the Belar TVM230 (BTSC Decoder) and measured by the Audio Precision (System Two). Refer to
Rev. 0.3
Measurement frequency=50Hz ∼ 13kHz; unless otherwise specified)
Output Voltage
Load Resistance
Load Capacitance
Video Input Sync Level
Video Input Impedance
S/(N+D)
S/N
(A-weighted)
Stereo Separation
Frequency response
Normal Operation (PDN pin = “H”):
Power down mode (PDN pin = “L”):
the evaluation board manual.
AVDD
DVDD
TVDD
AVDD
DVDD
TVDD
Mono (1kHz, 100%EIM)
Stereo (1kHz, 100%EIM. L or R)
Mono (input off)
Stereo (input off)
1kHz
20Hz~500Hz
500Hz~5kHz
5kHz~13kHz
Mono (20~13kHz)
Stereo (20~13kHz)
(Note
5)
ANALOG CHARACTERISTICS
(Note
3)
(Note
- 5 -
4)
min
100
75
75
30
27
23
-1
-1
5
0.01
0.01
typ
2.2
0.1
82
82
47
13
10
10
10
1
8
TBD
TBD
TBD
TBD
TBD
max
100
100
100
16
25
1
1
[AK4145]
mVp-p
2007/11
Units
Vp-p
Bits
MΩ
mA
mA
mA
kΩ
μA
μA
μA
dB
dB
dB
dB
dB
dB
dB
dB
pF
%
%