AK4343VN Datasheet, PDF (55/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
■ ϨγʔόΞϯϓ (RCP/RCN pins)
RCV bit = “1” ͷ ͱ ͖ ɺ LOUT/ROUT pins ͸ ͦ Ε ͧ Ε RCP/RCN pins ʹ ͳ Γ · ͢ ɻ DAC · ͨ ͸
LIN2/RIN2/LIN3/RIN3͔Βͷ৴߸ΛϞϊϥϧ৴߸[(L+R)/2]ʹม͠׵ɺRCP/RCN pins͔ΒBTLग़ྗ͠·͢ɻ·
ͨɺෛՙ఍߅͸min. 32ΩͰ͢ɻPMLO bit = “0” ʹ͢Δͱύϫʔμ΢ϯঢ়ଶʹͳΓɺRCP/RCN pins͸Hi-Zʹͳ
Γ·͢ɻPMLO bit = “1”, LOPS bit = “1”ͱ͢ΔͱɺύϫʔηʔϒϞʔυʹͳΓ·͢ɻPMLO bit = “1”, LOPS bit
= “0”ͱ͢ΔͱɺύϫʔΞοϓ͠·͢ɻϨγʔόΞϯϓ͸LOVL bitʹͯήΠϯΛௐ੔͢Δ͜ͱ͕Ͱ͖·͢ɻ
DAC
“DACL”
“LOVL”
RCP pin
RCN pin
PMLO
0
1
Figure 48. Mono Receiver Output
LOVL
Gain
Output Voltage (typ)
0
+6dB
0.59 x AVDD @−6dBFS (default)
1
+8dB
0.59 x AVDD @−8dBFS
Table 47. Mono Receiver Output Volume Setting
LOPS
Mode
RCP
RCN
x
Power-down
Hi-Z
Hi-Z
1
Power-save
Hi-Z
VCOM
0
Normal Operation Normal Operation Normal Operation
Table 48. Receiver-Amp Mode Setting (x: Don’t care)
(default)
PMLO bit
LOPS bit
RCP pin
Hi-Z
Hi-Z
RCN pin Hi-Z ^VCOM
VCOM
Hi-Z
>1ms
>0
Figure 49. Power-up/Power-down Timing for Receiver-Amp
MS0478-J-02
- 55 -
2010/11