AK4753 Datasheet, PDF (75/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

Digital In
EEP-ROM
[AK4753]
Digital Ground
Analog Ground
Power Supply
3.0 ∼ 3.6V
10u
10
10u
“L”: Normal Operation
“H”: DSP Bypass mode
X’tal
C
C
0.1u
2.2u
25 ^NC
26 ^XTO
27 ^XTI
28 ^DVDD
29 ^VSS2
30 ^REG
31 ^BYPASS
32 ^NC
2.2u
“L”: Mute
“H”: Normal Operation
AK4753
Top View
EESDA ₁₆
EXTEE ₁₅
PDN ₁₄
FLT ₁₃
TEST ₁₂
SAIN1 ₁₁
SAIN2 ₁₀
AINR ₉
Rp Cp
DVDD
RESET IC
AVDD
Potentiometer
(Bass Gain Control)
AVDD
Potentiometer
(Vol Control)
0.1u
Analog In
Speaker
External
Speaker-Amp
Notes:
- VSS1 and VSS2 of the AK4753 must be distributed separately from the ground of external controllers.
- All digital input pins must not be left floating.
- When the EXT mode is used (PMPLL bit = “0”), FLT pin can be open.
- When the PLL mode is used (PMPLL bit = “1”), “Cp” and “Rp” must be set according to Table 5.
- “C” value is dependent on the crystal.
- When the AK4753 is used in master mode, LRCK and BICK pins are floating before M/S bit is changed to
“1”. Therefore, around 100kΩ pull-up/down resistor must be connected to LRCK and BICK pins of the
AK4753.
- 0.1μF capacitors at power supply pins should be ceramic capacitors. Other capacitors do not have specific
types.
Figure 76. System Connection Diagram (EEP-ROM Download Mode: EXTEE pin = “H”)
MS1311-E-00
- 75 -
2011/07