ak4537 AKM Semiconductor, Inc., ak4537 Datasheet - Page 9

• Manufacturer Part Number: ak4537
• Description: 16-bit 6 Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Parameter
Mono Line Output Characteristics: R
Output Voltage
S/(N+D)
S/N
Load Resistance
Load Capacitance
Headphone-Amp Characteristics: R
Output Voltage
S/(N+D)
S/N
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance
Speaker-Amp Characteristics: R
Output Voltage
S/(N+D)
S/N
Load Resistance
Load Capacitance
Note 10. Output voltage is proportional to AVDD voltage. Vout = 1.2 x AVDD at Full-differential output.
Note 11. Output voltage is proportional to AVDD voltage. Vout = 0.582 x AVDD.
Note 12. Output voltage is proportional to AVDD voltage.
MS0202-E-04
Vout = 0.6 x AVDD at Single-end Output.
(Note 12)
Vout = 0.936 x AVDD(typ)@SPKG= “0”, 1.327 x AVDD(typ)@SPKG= “1” at Full-differential output.
(A-weighted)
(Note 10)
(-3dBFS)
(Note 11)
( 3dBFS)
(A-weighted)
(A-weighted)
SPKG= “0” (Po=150mW)
SPKG= “1” (Po=300mW)
SPKG= “0” (Po=150mW)
SPKG= “1” (Po=300mW)
(C1 in Figure 2)
(C2 in Figure 2)
MOGN=1, -17dB
MOGN=0, +6dB
MOGN=1, -17dB
MOGN=0, +6dB
MOGN=1, -17dB
MOGN=0, +6dB
MOGN=1, -17dB
MOGN=0, +6dB
(Po=250mW)
HP-Amp
L
=8 , BTL, DAC
Figure 2. Headphone-amp output circuit
L
=22.8 , DAC
L
=20k , DAC
HPL/HPR pin
- 9 -
MOUT2
HPL/HPR, DATT=0dB
C1
MOUT+/MOUT-
3.56
1.54
2.47
min
47 F
79
85
20
60
80
70
20
50
82
2
8
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
-
-
-
-
-
-
-
-
-
-
-
6.8
MIN
C2
0.31
3.96
1.92
SPP/SPN, ALC2=OFF
3.09
4.38
typ
0.1
76
89
79
95
70
90
85
64
20
60
90
-
-
-
-
-
-
-
-
16
4.36
2.30
3.71
max
300
0.5
30
30
30
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4537]
2005/04
Units
dBFS
dBFS
dBFS
Vpp
Vpp
Vpp
Vpp
Vpp
k
k
dB
dB
pF
dB
dB
dB
pF
pF
dB
dB
dB
dB
pF