ASAHI KASEI
AKM CONFIDENTIAL
[AK4704]
Ordering Guide
AK4704
-10
∼
+70°C
48pin LQFP (0.5mm pitch)
Pin Layout
VCRVOUT
MCLK
LRCK
TVFB
BICK
SDTI
PDN
SDA
RFV
SCL
VD
38
48
47
46
45
43
42
41
40
44
39
37
36
35
34
33
32
VSS
VCRC
VVSS
TVVOUT
VVD2
TVRC
TVG
TVB
VVD1
ENCB
ENCG
ENCRC
ENCC
1
2
3
4
5
6
7
8
9
10
11
12
13
15
16
19
20
21
14
17
18
22
23
24
Top View
PVCOM
DVCOM
VP
MONOOUT
TVOUTL
TVOUTR
VCROUTL
VCROUTR
FILT
TVINL
TVINR
VCRINL
31
30
29
28
27
26
25
VCRVIN
VCRSB
TVVIN
VCRG
ENCV
VCRB
Main difference between AK4702 and AK4704
Items
Audio
Audio bits
Digital filter attenuation level
+4dB gain at DAC volume#0 (total: +10dB max)
DAC power-down/analog input mode
Volume#1 output for VCROUTL/R switch matrix
MONO mixing for VCROUTL/R
MONO input
Video
Video filter
150ohm video driver for modulator
Y/C mixer for modulator
VCR video input monitor
VCR Slow Blanking monitor in output mode.
TV/VCR CVBS input detection & Power Save Mode
Others I
2
C speed (max)
Mask bits for INT function (09H)
INT
AK4702
AK4704
18bit
24bit
54dB
64dB
-
X
-
X
-
X
-
X
X
-
-
X
-
X
-
X
-
X
enabled
disabled
-
X
100kHz
400kHz
-
X
-: NOT available. X: Available
Rev. 0.5
-4-
VCRINR
VCRRC
VCRFB
ENCY
TVSB
2004/1
AKM [ ASAHI KASEI MICROSYSTEMS ]
