AKD4648-C Datasheet, PDF (29/71 Pages) Asahi Kasei Microsystems – stereo CODEC with MIC/HP/SPK amplifier

[AKD4648-C]
1. TABLE DATA
ADC (LIN2/RIN2) characteristics (IVOL=0dB, ALC = OFF, LIN2/RIN2 Æ ADC Æ IVOL)
Parameter
Lch [dB]
Rch [dB]
MIC-Amp Gain
0dB +20dB 0dB +20dB
S/(N+D) 20kHzLPF (−1dB)
88.6
83.2
88.5
83.2
D-range 20kHzLPF + A-weighted 95.2
86.5
95.2
86.5
S/N 20kHzLPF + A-weighted 95.3
86.5
95.3
86.5
DAC (LOUT/ROUT) characteristics (DAC Æ LOUT/ROUT)
Parameter
Lch [dB] Rch [dB]
S/(N+D) 20kHzLPF (−3dB)
87.5
87.4
S/N
A-weighted
92.3
92.3
DAC (HP(Single-ended Mode)) characteristics (DAC-->HP(Single-ended Mode)), RL=16Ω
Parameter
Lch [dB]
Rch [dB]
S/(N+D) 20kHzLPF (−3dB) (HPG=0dB)
69.4
69.5
S/N
A-weighted
91.1
91.1
DAC (HP(Pseudo Cap-less Mode)) characteristics (DAC-->HP(Pseudo Cap-less Mode)), RL=16Ω
Parameter
Lch [dB]
Rch [dB]
S/(N+D) 20kHzLPF (−3dB) (HPG=0dB)
64.7
65.0
S/N
A-weighted
90.1
90.1
DAC (SP(Stereo)) characteristics (DAC-->SP(Stereo)), RL=8Ω
Parameter
Lch [dB]
Rch [dB]
S/(N+D)
20kHzLPF (-0.5dBFS)
(SPKG2-0:+4.43dB)
61.5
61.6
S/N
A-weighted
90.4
90.3
DAC (SP(High Power Mode)) characteristics (DAC-->SP(High Power Mode)), RL=8Ω
Parameter
[dB]
S/(N+D)
20kHzLPF (-0.5dBFS)
(SPKG2-0:+4.43dB)
61.5
S/N
A-weighted
91.4
<KM088701>
- 29 -
2007/04