AK4640_05 Datasheet, PDF (9/78 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4640]
No. Pin Name
27 NC
28 DVDD
29 DVSS
30 XTO
31
XTI
MCKI
32 M/S
33 SPP
34 SPN
35 HVDD
36 HVSS
37 HPR
38 HPL
39 MUTET
40 MIN
41 MOUT2
42 NC
43 NC
44 MOUT−
45 MOUT+
46 AUXIN−
47 AUXIN+
48 BEEPM
49 BEEPR
50 BEEPL
51 AIN
52 NC
I/O
Function
-
No Connect.
No internal bonding. This pin should be left floating.
- Digital Power Supply Pin
- Digital Ground Pin
O X’tal Output Pin
I X’tal Input Pin
I External Master Clock Input Pin
I
Master / Slave Mode Pin
“H” : Master Mode, “L” : Slave Mode
O Speaker Amp Positive Output Pin
O Speaker Amp Negative Output Pin
- Headphone Amp Power Supply Pin
- Headphone Amp Ground Pin
O Rch Headphone Amp Output Pin
O Lch Headphone Amp Output Pin
O
Mute Time Constant Control Pin
Connected to HVSS pin with a capacitor for mute time constant.
I ALC2 Input Pin
O Analog Mixing Output Pin
-
No Connect.
No internal bonding. This pin should be left floating.
-
No Connect.
No internal bonding. This pin should be left floating.
O Mono Line Negative Output Pin
O Mono Line Positive Output Pin
I Mono AUX Negative Input Pin
I Mono AUX Positive Input Pin
I Mono Beep Signal Input Pin
I Rch Stereo Beep Signal Input Pin
I Lch Stereo Beep Signal Input Pin
I Analog Input Pin
-
No Connect.
No internal bonding. This pin should be left floating.
Note: All input pins except analog input pins (INT, EXT, AIN, MIN, AUXIN+, AUXIN−, BEEPM, BEEPL, and
BEEPR) should not be left floating.
„ Handling of Unused Pin
The unused I/O pins should be processed appropriately as below.
Classification Pin Name
Analog Input
EXT, INT, MIN, AUXIN−, AUXIN+, BEEPM,
BEEPR, BEEPL, AIN
Analog Output
MICOUT, MPE, MPI, VCOC, SPP, SPN, HPR, HPL,
MUTET, MOUT2, MOUT−, MOUT+
CAD0, CSN, CCLK, CDTI, I2C, SDTI, LRCK
Digital Input (when M/S pin = “L”), BICK (when M/S pin = “L”),
M/S
Digital Output
CDTO, SDTO, LRCK (when M/S pin = “H”), BICK
(when M/S pin = “H”), MCKO, XTO
Setting
These pins should be open and each path
should be switched off.
These pins should be open.
These pins should be connected to DVSS.
These pins should be open.
MS0273-E-02
-9-
2005/04