AK4309BVM AKM [Asahi Kasei Microsystems], AK4309BVM Datasheet - Page 3

• Manufacturer Part Number: AK4309BVM
• Description: 16BIT SCF DAC FOR MULTIMEDIA
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
0177-E-00
* NC pins are not bonded internally.
No.
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
TST1
VCOM
VREFH
VREFL
DVDD
DVSS
NC
RST
MCLK
CKS
BICK
SDATA
LRCK
AOUTR
AOUTL
AVDD
AVSS
NC
NC
DZF
Pin Name
I/O
O
O
O
O
-
-
-
I
I
-
-
-
I
I
I
I
I
I
I
Test Pin
Digital Power Supply Pin
Digital Ground Pin
No Connection
Reset Pin
Master Clock Input Pin
Master Clock Select Pin
Serial Bit Input Clock Pin
Serial Data Input Pin
L/R Clock Pin
Rch analog output pin
Lch analog output pin
Common Voltage pin, AVDD/2
Analog Power Supply Pin
Analog Ground Pin
No Connection
"H" Voltage Reference Input Pin
"L" Voltage Reference Input Pin
Zero Input Detect Pin
"L": MCLK=256fs, "H": MCLK=384fs
When at "L", the AK4309B is in power-down mode and is held in reset.
The AK4309B should always be reset upon power-up.
The fs is selected by CKS pin.
This clock is used to latch SDATA.
This input determines which channel is currently being input on the Serial
The differential Voltage between VREFH and VREFL inputs set the analog
VREFL pin is connected to AVSS. A 0.1uF ceramic capacitor should be as
When SDATA of both channels follow a total 8192 LRCK cycles with "0"
Must be left floating or tied to DVSS.
An external TTL clock should be input on this pin.
2's complement MSB-first data is input on this pin.
Data Input pin, SDATA. "H": Lch, "L": Rch
Normally connected to AVSS with a 0.1uF ceramic capacitor in parallel with
a 10uF electrolytic cap.
output range. The VREFH pin is normally connected to AVDD and the
near to both pins.
input data, this pin goes "H".
PIN/FUNCTION
- 3 -
(Pull-down pin)
Function
[AK4309B]
1997/6