AK4645EN Datasheet, PDF (55/96 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

ASAHI KASEI
[AK4645]
„ ΞφϩάϛΩγϯά: Ϟϊϥϧೖྗ(AIN3 bit = “0”: MIN pin)
AIN3 bit = “0”ͷͱ͖ɺMIN pin͸ΞφϩάϛΩγϯά΁ͷϞϊϥϧೖྗͱͯ͠࢖༻Ͱ͖·͢ɻPMMIN bit = “1”
ͷ࣌ɺMINH bitΛ “1”ʹ͢ΔͱϔουϑΥϯΞϯϓ͔Βग़ྗ͠ɺMINL bitΛ “1”ʹ͢ΔͱεςϨΦϥΠϯग़ྗ
͔Βग़ྗ͢Δ͜ͱ͕Ͱ͖·͢ɻೖྗ͞ΕΔ৴߸͸R_iͰϨϕϧௐ੔Ͱ͖·͢ɻR_i = 20kΩ ࣌ͷήΠϯ(typ)ΛTable
47, Table 48, Table 49ʹࣔ͠·͢ɻ͜ͷήΠϯ͸ɺR_i ͷ஋ʹ൓ൺྫ͠·͢ɻ

Ri
MIN
MINL
LOUT/LOP pin,
ROUT/LON pin
MINH
HPL, HPR pin
Figure 7. Block Diagram of MIN pin
LOVL bit
MIN Æ LOUT/ROUT
0
0dB
Default
1
+2dB
Table 47. R_i = 20kΩ ࣌ɺMINೖྗ Æ LOUT/ROUTग़ྗήΠϯ(typ)
LOVL bit
MIN Æ LOP/LON
0
+6dB
Default
1
+8dB
Table 48. R_i = 20kΩ ࣌ɺMINೖྗ Æ LOP/LONग़ྗήΠϯ(typ)
HPG bit
MIN Æ HPL/HPR
0
−20dB
Default
1
−16.4dB
Table 49. R_i = 20kΩ ࣌ɺMINೖྗ Æ ϔουϑΥϯग़ྗήΠϯ(typ)
MS0543-J-00
- 55 -
2006/09