AK4631 Datasheet, PDF (10/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
Parameter
min
typ
BEEP Input: BEEP pin, External Input Resistance= 20kΩ
Maximum Input Voltage (Note 16)
-
1.98
Output Voltage (Input Voltage=0.6Vpp)
BEEP Æ SPP/SPN (SPKG1-0 bits = “00”)
0.74
1.48
BEEP Æ AOUT
0.3
0.6
Mono Input: MIN pin
Maximum Input Voltage (Note 17)
-
2.18
Input Resistance
(Note 18)
12
24
Mono Output: MOUT pin, DAC→ MOUT
Output Voltage (Note 19)
1.78
1.98
Load Resistance
10
-
Load Capacitance
-
-
Power Supplies
Power Up (PDN = “H”)
All Circuit Power-up: (Note 20)
AVDD+DVDD
fs=8kHz
-
9
fs=48kHz
-
11.5
SVDD: Speaker-Amp Normal Operation (SPPS bit = “1”, No Output)
SVDD=3.3V
-
7
SVDD=5.0V
-
9
Power Down (PDN = “L”)
AVDD+DVDD+SVDD
-
10
max
Units
-
Vpp
2.22
Vpp
0.9
Vpp
-
Vpp
36
kΩ
2.18
Vpp
-
kΩ
30
pF
-
mA
17.5
mA
-
mA
27
mA
200
µA
Note 7. ग़ྗిѹ͸AVDDʹൺྫ͠·͢ɻVout = 0.75 x AVDD (typ)ɻ
Note 8. IPGAͷೖྗΠϯϐʔμϯε͸ɺALC1ͷήΠϯઃఆʹΑΓɺtyp.8kΩ∼11kΩͷؒͰมԽ͠·͢ɻ
Note 9. ೖྗిѹ͸AVDDʹൺྫ͠·͢ɻVin = 0.06 x AVDD (typ)ɻ
Note 10. PLL Slave ModeͰFCK pin͔ΒPLLج४ΫϩοΫΛೖྗ͢Δ৔߹ɺS/(N+D)͸ɺ77dB(typ)ʹͳΓ·͢ɻ
Note 11. ग़ྗిѹ͸AVDDʹൺྫ͠·͢ɻVout = 0.6 x AVDD (typ)ɻ
Note 12. ϑϧεέʔϧ͸MIN = 1.98Vppೖྗ࣌ɻ
Note 13. ଌఆ఺͸ SPP pin /SPN pin ௚Ͱ͢ɻ
Note 14. SPKG1-0 bitsͷઃఆʹؔ܎ͳ͘ɺಉ͡஋Ͱ͢ɻ
Note 15. Figure 34 ʹ͓͍ͯɺLoad Impedance ͸γϦʔζ఍߅ͱ 1kHz ʹ͓͚ΔѹిεϐʔΧͷ఍߅੒෼ͷ߹Ͱܭ
͢ɻLoad Capacitance ͸ѹిεϐʔΧͷ༰ྔ੒෼Ͱ͢ɻѹిεϐʔΧΛ࢖༻͢Δ৔߹ɺSPP, SPN pin ʹͦ
ΕͧΕ10ΩҎ্ͷγϦʔζ఍߅Λ઀ଓ͍ͯͩ͘͠͞ɻ
Note 16. ࠷େೖྗిѹ͸AVDD ͱ֎෇͚ͷೖྗ఍߅(Rin) ʹൺྫ͠·͢ɻVout = 0.6 x AVDD x Rin/20kΩ(max) ɻ
Note 17. ࠷େೖྗిѹ͸AVDDʹൺྫ͠·͢ɻ Vin = 0.66 x AVDD (max)ɻ
Note 18. Mono Input ͷೖྗΠϯϐʔμϯε͸ɺALC2ͷήΠϯઃఆʹΑΓɺtyp.22kΩ∼26kΩͷؒͰมԽ͠·͢ɻ
Note 19. ग़ྗిѹ͸AVDDʹൺྫ͠·͢ɻVout = 0.6 x AVDD (typ)ɻ
Note 20. PLL Master Mode (MCKI=12.288MHz)ͰɺPMMIC = PMADC = PMDAC = PMSPK = PMVCM = PMPLL =
MCKO = PMAO = PMBP = MPWR = M/S =“1”ͷ৔߹Ͱ͢ɻ͜ͷͱ͖ɺMPI pinͷग़ྗిྲྀ͸0mAͰ͢ɻ
EXTϞʔυ(PMPLL=MCKO=M/S= “0”)ͷ৔߹ɺAVDD+DVDD = 7mA (fs=8kHz, typ)ɺ9.5mA (fs=48kHz,
typ)ʹͳΓ·͢ɻ
MS0317-J-01
- 10 -
2004/11