AK4373 Datasheet, PDF (14/98 Pages) Asahi Kasei Microsystems – Low Power Stereo DAC with HP/SPK-Amp

[AK4373]
Parameter
min
typ
max
Units
Speaker-Amp Characteristics: DAC → SPP/SPN pins, ALC=OFF, AVOL=0dB, DVOL=0dB, R_L=8Ω, BTL,
HVDD=3.3V; unless otherwise specified.
Output Voltage (Note 19)
SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW)
-
3.11
-
Vpp
SPKG1-0 bits = “01”, −0.5dBFS (Po=240mW)
3.13
3.92
4.71
Vpp
SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW)
2.04
Vrms
S/(N+D)
SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW)
-
50
-
dB
SPKG1-0 bits = “01”, −0.5dBFS (Po=240mW)
20
50
-
dB
SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW)
20
dB
S/N (A-weighted)
87
97
-
dB
Load Resistance
8
-
-
Ω
Load Capacitance
-
-
30
pF
Speaker-Amp Characteristics: DAC → SPP/SPN pins, ALC=OFF, AVOL=0dB, DVOL=0dB, C_L=3μF,
R_series=20Ω x 2, BTL, HVDD=3.8V; unless otherwise specified. (Figure 53)
Output Voltage _{SPKG1-0 bits = “10”, -0.5dBFS}
-
6.37
-
Vpp
(Note 19)
S/(N+D)
(Note 20)
SPKG1-0 bits = “10”, -0.5dBFS
-
58
-
dB
S/N (A-weighted)
97
-
dB
Load Resistance (Note 21)
50
-
-
Ω
Load Capacitance (Note 21)
-
-
3
μF
Mono Input: MIN+ pin (External Input Resistance=20kΩ) Single-ended Input MIN- pin is connected to VSS1 via input
capacitor.
Maximum Input Voltage (Note 22)
-
1.98
-
Vpp
Gain (Note 23)
MIN+ Æ HPL/HPR
HPBTL bit = “0”
HPG bit = “0”
-
0
-
dB
MIN+ Æ HPL/HPR
HPBTL bit = “0”
HPG bit = “1”
-
+3.6
-
dB
MIN+ Æ HPL+/-, HPR+/-
HPBTL bit = “1”
HPG bit = “0”
-
+6
-
dB
MIN+ Æ HPL+/-, HPR+/-
HPBTL bit = “1”
HPG bit = “1”
-
+9.6
-
dB
MIN Æ SPP/SPN
ALC bit = “0”, SPKG1-0 bits = “00”
-0.07
+4.43
+8.93
dB
ALC bit = “0”, SPKG1-0 bits = “01”
-
+6.43
-
dB
ALC bit = “0”, SPKG1-0 bits = “10”
-
+10.65
-
dB
ALC bit = “0”, SPKG1-0 bits = “11”
-
+12.65
-
dB
ALC bit = “1”, SPKG1-0 bits = “00”
-
+6.43
-
dB
ALC bit = “1”, SPKG1-0 bits = “01”
-
+8.43
-
dB
ALC bit = “1”, SPKG1-0 bits = “10”
-
+12.65
-
dB
ALC bit = “1”, SPKG1-0 bits = “11”
-
+14.65
-
dB
MS0991-E-00
- 14 -
2008/09