ASAHI KASEI
AKM CONFIDENTIAL
[AK4561]
Parameter
Headphone-Amp Characteristics:
R
L
= 47 + 8Ω (Note 19)
Output Voltage (-5.5dBV Input) (Note 16)
S/(N+D) (-5.5dBV Output)
Output Noise Voltage (OPGA=MUTE, A-Weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance (Note 17)
Monaural Output:
(MOUT pin) (Note 20)
Output Voltage (-5.5dBV Input) (Note 21)
S/(N+D) (-5.5dBV Output)
S/N (A-weighted)
Load Resistance
Load Capacitance (Note 17)
Power Supply Current
Power Up ( PD = “H”)
All Circuit Power-Up: (PM7-0 bit all “1”)
min
typ
-5.5
40
-86
40
0.5
max
Units
dBV
dB
dBV
dB
dB
Ω
pF
dBV
dB
dB
kΩ
pF
55
20
-11.5
80
90
5
20
VA: Headphone-Amp No input (S8 = “1”)
VD+VT: (DLYE bit = “1”)
MVDD: (Note 22)
HVDD: (S10 = “1”) (Note 23)
ALC + ADC: (PM4=PM2=PM1= “1”) (Note 23)
VA:
VD+VT: (DLYE bit = “1”)
HVDD
-
DAC + OPGA + MOUT + LINEOUT: (PM7=PM6=PM4=PM3= “1”) (Note 23)
21
5
9
3
9
4
0.5
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
-
VA:
10
VD+VT:
2
HVDD: LINEOUT Normal Operation (S10 = “1”)
2
LINEOUT Power-Save-Mode (S10 = “0”)
-
0.2
-
DAC + OPGA+ MOUT + LINEOUT + HP-Amp: (PM7=PM6=PM5=PM4=PM3= “1”) (Note 23)
VA: Headphone-Amp Normal Operation (S8 = “1”),
No Input
Headphone-Amp Power-Save-Mode (S8 = “0”)
VD+VT:
HVDD: (S10 = “1”)
Power Down (
PD
= “L”)
14
11
2
2
-
-
-
-
mA
mA
mA
mA
VA+VD+HVDD+MVDD (Note 24)
200
µA
Note 19. Input from OPGL and OPGR pins. Analog Volume (OPGA=0dB)
→
Headphone Amplifier
Note 20. Input from OPGL and OPGR pins. Analog Volume (OPGA=0dB)
→
Monaural Amplifier
Note 21. Lch = -5.5dBV, Rch = no input or Rch = -5.5dBV, Lch = no input
Note 22. MPWR pin supplies 0mA.
Note 23. Then power supply current of MVDD is 0.2mA (typ.).
Note 24. In case of power-down, digital input pins of MCLK, BCLK, LRCK and SDTI are held “VD” or “DGND”.
Digital input pins of CCLK, REC_MUTE, CCLK,
CS
, CDTI and MUTE are held “VT” or “DGND”.
PD
pin
is held “DGND”.
Rev. 0.9
-9-
2000/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
