AK4645AEZ Datasheet, PDF (48/85 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP-AMP

[AK4645A]
■ 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
40, Table 41, Table 42ʹࣔ͠·͢ɻ͜ͷήΠϯ͸ɺR_i ͷ஋ʹ൓ൺྫ͠·͢ɻ

Ri
MIN
MINL
LOUT/LOP pin,
ROUT/LON pin
MINH
HPL, HPR pin
Figure 38. Block Diagram of MIN pin
LOVL bit
MIN Æ LOUT/ROUT
0
0dB
(default)
1
+2dB
Table 40. R_i = 20kΩ ࣌ɺMINೖྗ Æ LOUT/ROUTग़ྗήΠϯ(typ)
LOVL bit
MIN Æ LOP/LON
0
+6dB
(default)
1
+8dB
Table 41. R_i = 20kΩ ࣌ɺMINೖྗ Æ LOP/LONग़ྗήΠϯ(typ)
HPG bit
MIN Æ HPL/HPR
0
−20dB
(default)
1
−16.4dB
Table 42. R_i = 20kΩ ࣌ɺMINೖྗ Æ ϔουϑΥϯग़ྗήΠϯ(typ)
MS0986-J-00
- 48 -
2008/07