alc250-lf Realtek Semiconductor Corporation, alc250-lf Datasheet - Page 4
![no-image](/images/no-image-200.jpg)
alc250-lf
Manufacturer Part Number
alc250-lf
Description
Two-channel Ac?97 2.3 Audio Codec With Equalizer
Manufacturer
Realtek Semiconductor Corporation
Datasheet
1.ALC250-LF.pdf
(47 pages)
7. ELECTRICAL CHARACTERISTICS .............................................................................................. 28
8. ANALOG PERFORMANCE CHARACTERISTICS ...................................................................... 33
9. DESIGN SUGGESTIONS ................................................................................................................... 35
10. APPLICATION CIRCUITS.............................................................................................................. 39
11. MECHANICAL DIMENSIONS ....................................................................................................... 41
11. MECHANICAL DIMENSIONS ....................................................................................................... 41
12. ORDERING INFORMATION ......................................................................................................... 43
Two-Channel AC’97 2.3 Audio Codec
6.4 E
6.5 EQ
7.1 DC C
7.2 AC T
9.1 C
9.2 AC-L
9.3 R
9.4 CD I
9.5 O
9.6 P
9.7 T
9.8 DC V
9.9 POWER OFF CD F
6.3.2 MX64 PCI Sub Vendor ID ......................................................................................................... 20
6.3.3 MX66 Sense Function Select ..................................................................................................... 20
6.3.4 MX68 Sense Function Information............................................................................................ 21
6.3.5 MX6A Sense Detail.................................................................................................................... 21
6.4.1 MX76 GPIO & Interrupt Setup ................................................................................................. 22
6.4.2 MX78 GPIO & Interrupt Status ................................................................................................ 22
6.4.3 MX7A Miscellaneous Control ................................................................................................... 23
6.4.4 MX7C Vendor ID1..................................................................................................................... 23
6.4.5 MX7E Vendor ID2 ..................................................................................................................... 23
7.1.1 Absolute Maximum Ratings....................................................................................................... 28
7.1.2 Threshold Hold Voltage ............................................................................................................ 28
7.1.3 Digital Filter Characteristics .................................................................................................... 28
7.1.4 S/PDIF output Characteristics .................................................................................................. 29
7.2.1 Cold Reset.................................................................................................................................. 29
7.2.2 Warm Reset................................................................................................................................ 29
7.2.3 AC-Link Clocks.......................................................................................................................... 29
7.2.4 Data Output and Input Timing .................................................................................................. 30
7.2.5 Signal Rise and Fall Timing ...................................................................................................... 30
7.2.6 AC-Link Low Power Mode Timing............................................................................................ 31
7.2.7 ATE Test Mode .......................................................................................................................... 31
7.2.8 AC-Link IO Pin Capacitance and Loading ............................................................................... 32
7.2.9 SPDIF Output ............................................................................................................................ 32
9.7.1 ATE In Circuit Test Mode.......................................................................................................... 36
9.7.2 Vendor Specific Test Mode........................................................................................................ 36
OWER
XTENSION
EST
LOCKING
ESET
DD
UALIZER
NPUT
A
IMING
M
HARACTERISTICS
OLTAGE
INK
................................................................................................................................................ 35
DDRESSED
-
ODE
DOWN
........................................................................................................................................... 35
.......................................................................................................................................... 36
......................................................................................................................................... 35
R
C
C
....................................................................................................................................... 36
EGISTERS
HARACTERISTICS
ONTROL
V
M
OLUME
ODE
R
EGISTER
UNCTION
......................................................................................................................... 36
R
....................................................................................................................... 28
...................................................................................................................... 22
C
EGISTERS
ONTROL
A
............................................................................................................. 38
CCESS
.......................................................................................................... 29
..................................................................................................... 24
..................................................................................................... 37
................................................................................................. 36
iv
ALC250 DataSheet
Rev1.3