AK4612EQ Datasheet, PDF (11/68 Pages) Asahi Kasei Microsystems – 6/8-Channel Audio CODEC

[AK4612]
DAC Analog Output Characteristics (differential outputs)
S/(N+D)
fs=48kHz
BW=20kHz
0dBFS
-60dBFS
fs=96kHz
BW=40kHz
0dBFS
-60dBFS
fs=192kHz
BW=40kHz
0dBFS
-60dBFS
DR
(-60dBFS with A-weighted)
S/N
(A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Output Voltage
AOUT=0.63xVREFH2 (Note 8)
Load Resistance
(Note 10)
Load Capacitance
(Note 11)
Power Supply Rejection
(Note 7)
90
88
100
100
90
±1.87
2
100
45
98
42
98
42
108
108
110
0
20
±2.15
50
dB
0.5
-
±2.29
30
dB
dB
dB
dB
ppm/°C
Vpp
kΩ
pF
dB
Note 7. VREFH1,VREFH2Λ+3.3Vݻʹఆͯ͠ɺAVDD1, AVDD2, DVDD, TVDD1,TVDD2ʹ1kHz, 50mVppͷਖ਼ݭ
೾Λॏ৞ͨ͠৔߹ɻ
Note 8. (LIN+) – (LIN-) ͼٴ(RIN+) – (RIN-)ͷ஋Ͱ͢ɻVREFH1, VREFH2ͷిѹʹൺྫ͠·͢ɻ
Note 9. VREFH1,VREFH2Λ+3.3Vݻʹఆͯ͠ɺLIN+(RIN+)ͱLIN-(RIN-)ʹಉ૬ͰAVDD1,2x1/2த৺
0.96Vpp,1kHzͷਖ਼ݭ೾Λೖྗͨ͠৔߹ɻCMRRͷଌఆ͸0dB=-7dBFS(0.96Vpp=-7dBFS)ͱͨ͠ͱ͖ͷݮ
ਰϨϕϧΛଌఆ͠·͢ɻ
Note 10. ACෛՙʹରͯ͠ɻDCෛՙͷ৔߹͸5kΩɻ
Note 11. ग़ྗϐϯରGNDͷLoad Capacitance Λنఆ͍ͯ͠·͢ɻࠩಈ৴߸ؒ͸༰ྔతෛՙ͕2ഒͱͳΔͷͰࠩ
ಈؒͷ༰ྔෛՙ͸2ഒͱͯ͠ߟ͑Δඞཁ͕͋Γ·͢ɻ
Parameter
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
AVDD1+AVDD2
fs=48kHz, 96kHz, 192kHz
DVDD
fs=48kHz
fs=96kHz
fs=192kHz
TVDD1+TVDD2
fs=48kHz
fs=96kHz
fs=192kHz
Power-down mode
(PDN pin = “L”, DVMPD = “ L”) (Note 12)
AVDD1+AVDD2+DVDD+TVDD1+TVDD2
(PDN pin = “L”, DVMPD = “ H”) (Note 12)
AVDD1+AVDD2+DVDD+TVDD1+TVDD2
min
typ
max Units
76.0
125.0 mA
16.0
24.0
mA
22.0
35.0
mA
35.0
55.0
mA
6.0
8.0
mA
7.0
9.5
mA
7.0
9.5
mA
200
550
µA
10
200
µA
Note 12. ੩ࢭ࣌ɻΫϩοΫΛؚΉશͯͷσΟδλϧೖྗϐϯΛVSS3 (TST1, TST3, TST4, TST5, CAD0, CAD1,
I2C, CSN, CCLK, CDTI pins), VSS4 (TST2, M/S, MCKI, LRCK, BICK, SDTI1, SDTI2, SDTI3,
SDTI4,SDTI5, SDTI6)ݻʹఆͨ͠৔߹ͷ஋Ͱ͢ɻ
MS1039-J-01
- 11 -
2009/06