AK4343VN Datasheet, PDF (7/99 Pages) Asahi Kasei Microsystems – Stereo DAC with HP/RCV/SPK-AMP

[AK4343]
ਪ঑ಈ࡞৚݅
(AVSS=DVSS=HVSS=0V; Note 3)
Parameter
Symbol
min
typ
max
Units
Power Supplies
(Note 10)
Analog
Digital
HP / SPK-Amp
Difference
AVDD
2.6
3.3
3.6
V
DVDD
2.6
3.3
3.6
V
HVDD
2.6
3.3 / 5.0
5.25
V
AVDD−DVDD
−0.3
0
+0.3
V
Note 3. ిѹ͸͢΂ͯάϥϯυϐϯʹର͢Δ஋Ͱ͢ɻ
Note 10. AVDD, DVDD, HVDDͷి্ཱ͛ͪݯγʔέϯεΛߟྀ͢Δඞཁ͸͋Γ·ͤΜɻAVDD, HVDD͚ͩ
OFFͨ͠৔߹ɺDVDDͷϦʔΫిྲྀ͕૿Ճ͢ΔՄೳੑ͕͋Γ·͢ɻ·ͨɺDVDDΛOFF͢Δ৔߹͸AVDD,
HVDD΋OFF͍ͯͩ͘͠͞ɻ
஫ҙ: ຊσʔλγʔτʹ͞ࡌهΕ͍ͯΔ৚݅Ҏ֎ͷ͝࢖༻ʹؔͯ͠͸ɺ౰ࣾͰ͸੹೚ෛ͍͔Ͷ·͢ͷͰे෼
͝஫ҙԼ͍͞ɻ
Ξφϩάಛੑ
(Ta=25°C; AVDD=DVDD=HVDD=3.3V; AVSS=DVSS=HVSS=0V; fs=44.1kHz, BICK=64fs;
Signal Frequency=1kHz; 16bit Data; Measurement frequency=20Hz ∼ 20kHz; unless otherwise specified)
Parameter
min
typ
max
Units
Gain Amplifier: LIN1/RIN1/LIN2/RIN2 pins & LIN3/RIN3 pins (AIN3 bit = “1”);
MDIF1=MDIF2 bits = “0” (Single-ended inputs)
Input
MGAIN1-0 bits = “00”
40
60
80
kΩ
Resistance _{MGAIN1-0 bits = “01”, “10”or “11”}
20
30
40
kΩ
MGAIN1-0 bits = “00”
-
0
-
dB
Gain
MGAIN1-0 bits = “01”
MGAIN1-0 bits = “10”
-
+20
-
dB
-
+26
-
dB
MGAIN1-0 bits = “11”
-
+32
-
dB
Gain Amplifier: IN1+/IN1−/IN2+/IN2− pins; MDIF1 = MDIF2 bits = “1” (Full-differential input)
Input Voltage (Note 11)
MGAIN1-0 bits = “01”
-
-
0.228
Vpp
MGAIN1-0 bits = “10”
MGAIN1-0 bits = “11”
-
-
0.114
Vpp
-
-
0.057
Vpp
Note 11. ϓϥεೖྗϐϯͱϚΠφεೖྗϐϯͷࠩ෼Ͱ͢ɻACΧοϓϦϯάίϯσϯαΛ֤ೖྗϐϯʹγϦʔ
ζʹ઀ଓͯ͠Լ͍͞ɻMGAIN1-0 bits = “00”ͷͱ͖ࠩಈೖྗ͸࢖༻͢ͰࢭېɻIN1+, IN1−, IN2+, IN2− pin
ͷ࠷େೖྗిѹ͸ͦΕͧΕAVDDʹൺྫ͠·͢ɻVin = |(IN+) − (IN−)| = 0.069 x AVDD
(max)@MGAIN1-0 bits = “01”, 0.035 x AVDD (max)@MGAIN1-0 bits = “10”, 0.017 x AVDD
(max)@MGAIN1-0 bits = “11”.
͜ͷిѹΛӽ͑Δ৴߸͕ೖྗ͞Εͨ৔߹ɺAmpͷಈ࡞͸อূͰ͖·ͤΜɻ
MS0478-J-02
-7-
2010/11