ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 8

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Parameter
DAC Characteristics:
Resolution
Stereo Line Output Characteristics: DAC → LOUT/ROUT pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
Output Voltage (Note 13)
S/(N+D) (−3dBFS)
S/N (A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance
Mono Receiver Output Characteristics: DAC → RCP/RCN pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
Output Voltage (Note 14)
S/(N+D)
S/N (A-weighted)
Load Resistance
Load Capacitance
Note 13. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD (typ)@LOVL bit = “0”.
Note 14. Output voltage is proportional to AVDD voltage. Vout = (RCP) − (RCN) = 0.59 x AVDD (typ)@LOVL bit =
MS0477-E-01
LOVL bit = “0”, −6dBFS, R
LOVL bit = “0”, −3dBFS, R
LOVL bit = “1”, −8dBFS, R
LOVL bit = “1”, −5dBFS, R
LOVL bit = “0”, −6dBFS, R
LOVL bit = “0”, −3dBFS, R
“0”, −6dBFS.
PMAINL2/R2/L3/R3 bits = “1”
PMAINL2/R2/L3/R3 bits = “0”
L
L
L
L
L
L
=32Ω (Po=15mW)
=32Ω (Po=30mW)
=32Ω (Po=15mW)
=32Ω (Po=30mW)
=32Ω (Po=15mW)
=32Ω (Po=30mW)
LOVL bit = “0”
LOVL bit = “1”
“0”, RCV bit = “0”, R
“0”, RCV bit = “1”, R
- 8 -
L
L
=10kΩ
=32Ω, BTL
1.78
2.25
1.57
1.57
min
78
82
80
10
40
85
32
-
-
-
-
-
-
-
-
1.98
2.50
1.96
2.77
1.96
2.77
100
100
typ
0.1
88
92
60
60
95
-
-
-
-
-
2.18
2.75
2.35
2.35
max
0.5
16
30
30
-
-
-
-
-
-
-
-
-
-
-
[AK4644]
2006/10
dBFS
dBFS
Units
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Bits
dB
dB
kΩ
dB
dB
dB
dB
pF
pF
Ω