AK4373 Datasheet, PDF (16/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
Parameter
min
typ
max
Units
Power Supplies:
Power-Up (PDN pin = “H”)
All Circuit Power-up:
AVDD+DVDD (Note 25)
-
7.8
-
mA
AVDD+DVDD (Note 26)
-
8.1
12
mA
HVDD: HP-Amp Normal Operation
No Output (Note 27)
-
2.2
4
mA
HVDD: SPK-Amp Normal Operation
No Output (Note 28)
-
4.1
12
mA
Power-Down (PDN pin = “L”) (Note 29)
AVDD+DVDD+HVDD
-
1
20
μA
Note 25. PLL Master Mode (MCKI=12.288MHz) and PMDAC = PMHPL = PMHPR = PMVCM = PMPLL = MCKO =
M/S bits = “1”, PMMIN bit = “0”.
AVDD=3.9mA(typ), DVDD=3.9mA(typ).
EXT Slave Mode (PMPLL = M/S = MCKO bits = “0”): AVDD=3.1mA(typ), DVDD=2.7mA(typ).
Note 26. PLL Master Mode (MCKI=12.288MHz) and PMDAC = PMHPL = PMHPR = PMVCM = PMPLL = MCKO =
M/S bits = “1”, PMMIN bit = “1”.
AVDD=4.2mA(typ), DVDD=3.9mA(typ).
EXT Slave Mode (PMPLL = M/S = MCKO bits = “0”): AVDD=3.5mA(typ), DVDD=2.7mA(typ).
Note 27. PMDAC = PMHPL = PMHPR = PMVCM = PMPLL = PMMIN bits = “1” and PMSPK bit = “0”.
Note 28. PMDAC = PMSPK = PMVCM = PMPLL = PMMIN bits = “1” and PMHPL = PMHPR bits = “0”.
Note 29. All digital input pins are fixed to DVDD or VSS3.
■ Power Consumption for each operation mode
Common Conditions: Ta=25°C; VSS1=VSS2=VSS3=0V; fs=44.1kHz, External Slave Mode, BICK=64fs; 1kHz, 0dBFS
input; (PMMIN bit = “0” )Headphone & Speaker = No output
Power Management Bit
00H
01H
Typical Current
Mode
AVDD
DVDD
HVDD
Total Power
[V] [mA] [V] [mA] [V]
All Power-down 0 0 0 0 0 0 3.3 0 3.3 0
3.3
DAC Æ
2.2
HP/Line Out _{1 0 0 1 1 1} ^{2.2 2.7 1.8 1.0}
4.0
3.3 3.1 3.3 2.7 3.3
DAC Æ SPK
1 0 1 1 0 0 ^{2.2 2.7 1.8 1.0}
2.2
4.0
3.3 3.2 3.3 2.7 3.3
[mA]
0
1.9
2.6
2.2
4.2
5.2
4.1
[mW]
0
11.9
18.1
26.4
17.0
28.5
33.0
Table 1. Power Consumption for each operation mode (typ)
MS0991-E-00
- 16 -
2008/09