AK4203 Datasheet, PDF (8/14 Pages) Asahi Kasei Microsystems – Stereo Cap-less LINE-Amp and Video-Amp

[AK4203]
■ Audio্ཱͪ͛γʔέϯε
ݯి౤ೖޙɺΦʔσΟΦճ࿏ͱνϟʔδϙϯϓ͸Լਤͷγʔέϯεʹै͍ࣗಈతʹ্ཱ͕ͪΓ·͢ɻ
Power Supply
VDD1, VDD2
Audio Analog
Circuit
3.0V
(1)
Charge Pump
VEE
Power down VEE=0V
Power up
Power up VEE=Negative voltage
-1.85V
Audio Timer
Circuit
LINP, N
RINP, N
(2)
time A
LOUT
ROUT
Figure 6. System Reset Diagram
஫:
(1) ݯి౤ೖޙɺΦʔσΟΦग़ྗ͸ VSS ʹ Mute
SW Ͱ઀ଓ͞Ε͍ͯ·͢ɻ
·ͨɺνϟʔδϙϯϓ͸εϩʔελʔτϞʔυͰ্ཱ͕ͪΓ·͢ɻ0.4ms ʹޙVEE ిѹ͸-1.85V ʹ౸ୡ͠·͢ɻ
νϟʔδϙϯϓ͕҆ఆ͢Δ·Ͱ LINP/N pin, RINP/N pin ʹෛిѹΛೖྗ͠ͳ͍Ͱ͍ͩ͘͞ɻ
(2) ͜ΕΛτϦΨʔͱͯ͠σΟδλϧճ࿏͕࣌ؒ timeA=15ms (max.)ͷؒظΧ΢ϯτ͠·͢ɻ
(3) timeA ܦաޙɺMute
SW ͸ղআʹͳΓΦʔσΟΦग़ྗ͸ΠωʔϒϧʹͳΓ·͢ɻ
(4) ௨ৗͷ࢖༻Ͱ͸ΫϦοΫϊΠζ͸ฉ͑͜·ͤΜɻ
MS1376-J-00
-8-
2012/02