AK2303LV Datasheet, PDF (5/41 Pages) Asahi Kasei Microsystems – Dual PCM CODEC for PBX Analog Line Card

ASAHI KASEI
PIN CONDITION
[AK2303LV]
Pin
#
Name
I/O
Pin type
AC load
(MAX.)
DC load
(MIN.)
Outout status
(Power down
mode)
Remarks
1 TEST
I
(*2)
Tied to AVSS
2 VFTN1
I
Analog
3 GST1
O
Analog
50pF
10kΩ(*1)
Hi-Z
4 GSR1
O
Analog
50pF
10kΩ(*1)
Hi-Z
5 VFR1
I
Analog
6 VR1
O
Analog
50pF
10kΩ
Hi-Z
7 ALAWN
I
CMOS
8 AVDD
－
9 DVDD
－
10 FS
I
CMOS
11 BCLK
I
CMOS
12 DX
O
CMOS
15pF
Hi-Z
13 DR
I
CMOS
14 MUTE1
I
CMOS
15 MUTE0
I
CMOS
16 SCLK
I
CMOS
17 DATA
I/O
CMOS
15pF
Hi-Z (Input)
18 CSN
I
CMOS
19 LPC
O
Analog
0.22uF
20 VR0
O
Analog
50pF
10kΩ
Hi-Z
21 DVSS
－
22 AVSS
－
23 VFR0
I
Analog
24 GSR0
O
Analog
50pF
10kΩ(*1)
Hi-Z
25 GST0
O
Analog
50pF
10kΩ(*1)
Hi-Z
26 VFTN0
I
Analog
27 MODE
I
(*2)
Tied to AVSS or
AVDD
28 VREF
O
Analog
More than 1.0uF
*1) DC load(MIN.) includes a feedback resistance of input/output op-amp.
*2) Please tie to AVSS or AVDD, in order not to have a noise impact to the adjacent analog pins.
2303-E-00
5
2001/09