AK4348 Datasheet, PDF (24/31 Pages) Asahi Kasei Microsystems – 3.3V 192kHz 24-Bit 8-Channel DAC

ASAHI KASEI
[AK4348]
Addr Register Name
01H Control 2
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
0 SLOW DFS1 DFS0 DEM1 DEM0 SMUTE
0
0
0
0
0
0
1
0
SMUTE: Soft Mute Enable
0: Normal operation
1: DAC outputs soft-muted
DEM1-0: De-emphasis Response (See Table 9)
Initial: “01”, OFF
DFS1-0: Sampling speed control (See Table 1)
00: Normal speed
01: Double speed
10: Quad speed
When changing between Normal/Double Speed Mode and Quad Speed Mode, some click noise occurs.
SLOW: Slow Roll-off Filter Enable
0: Sharp Roll-off Filter
1: Slow Roll-off Filter
Adr Register Name
D7 D6
D5
D4
02H
Speed & Power
Control
Down
PW4
PW3
PW2
0
Default
1
1
1
0
D3
D2
D1
D0
0 DZFB PW1
0
0
0
1
0
PW1: Power-down control (0: Power-down, 1: Power-up)
PW1: Power down control of DAC1
This bit is duplicated into D1 of 00H.
DZFB: Inverting Enable of DZF
0: DZF goes “H” at Zero Detection
1: DZF goes “L” at Zero Detection
PW4-2: Power-down control (0: Power-down, 1: Power-up)
PW2: Power down control of DAC2
PW3: Power down control of DAC3
PW4: Power down control of DAC4
All sections are powered-down by PW1=PW2=PW3=PW4=0.
MS0532-E-00
- 24 -
2006/07