AK4691EG AKM [Asahi Kasei Microsystems], AK4691EG Datasheet - Page 6

• Manufacturer Part Number: AK4691EG
• Description: 4ch ADC + 2ch DAC with MIC/HP/SPK-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

Note 1. All input pins except analog input pins (BEEP, INTL1/2, EXTL1/2, INTR1/2, EXTR1/2, LIN, and RIN) should
Note 2.All analog input pins (INTL1/2, EXTL1/2, INTR1/2, EXTR1/2, LIN, and RIN pins ) except the BEEP pin should
Note 3. The BEEP pin should be supplied signal via AC-coupling capacitor and resistor.
Note 4. Analog output pins (HPL, HPR, LOUT, and ROUT pins) except the SPP and SPN pins should deliver signal via
■
The unused I/O pins should be processed appropriately as below.
MS0672-E-00
DAC Block
HP-Amp Block
SPK-Amp Block
Other Functions
No. Pin Name
H8
H9
B9
H5
A1
A9
C3
F9
F8
E8
J7
J5
J6
J4
J1
J2
J9
Handling of Unused Pin
Classification
Analog
Digital
Other
LOUT
ROUT
HPL
HPR
MUTET
SPN
SPP
MUTE
VCOC
PDN
BEEP
NC
not be left floating.
be supplied signal via AC-coupling capacitor.
AC-coupling capacitor.
Pin Name
MPWR, VCOC, SPN, SPP, HPR, HPL, MUTET,
ROUT, LOUT, BEEP
INTL1, INTL2, INTR1, INTR2, EXTL1, EXTL2,
EXTR1, EXTR2, LIN, RIN
MCKO, SDTO1, SDTO2
MCKI, SDTI, MUTE
NC
I/O
O
O
O
O
O
O
O
O
I
I
I
-
Lch Stereo Line Output Pin
Rch Stereo Line Output Pin
Lch Headphone-Amp Output Pin
Rch Headphone-Amp Output Pin
Mute Time Constant Control Pin
Speaker Amp Negative Output Pin
Speaker Amp Positive Output Pin
Mute Pin
Output Pin for Loop Filter of PLL Circuit
Power-Down Mode Pin
BEEP Signal Input Pin
No Connection Pin
Connected to VSS4 pin with a capacitor for mute time constant.
This pin should be connected to VSS1 with one resistor and capacitor in series.
“H”: Power-up, “L”: Power-down, reset and initialize the control register.
“L”: Normal Operation, “H”: Mute
No internal bonding. This pin should be connected to ground.
- 6 -
Function
Setting
These pins should be open.
These pins should be open and each path
should be switched off.
These pins should be open.
These pins should be connected to VSS2.
This pin should be connected to ground
(VSS1, VSS2, VSS3 or VSS4).
[AK4691]
2007/11