AK4648 Datasheet, PDF (7/119 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/HP/SPK-AMP

No.
A1, D4,
D5, E4,
E5, G1
G7
A2
A4
A5
A6
Pin Name
NC
HVDD
SPRP
ROUT
LON
LIN4
IN4+
A7 TEST
B1
B2
B3, C1
B4
B5
B6
SPLN
SPLP
VSS2
SPRN
LOUT
LOP
RIN2
IN2−
B7 VCOM
C2 HVCM
C4
RIN4
IN4−
C5 ^LIN2
IN2+
C6 ^MIN
LIN3
C7 AVDD
D1 MUTET
D2 HPR
D3 HPL
D6 VSS1
D7
LIN1
IN1−
E1 VSS3
E2 PDN
E3 DVDD
E6
E7
F1
F2, G2
F3
F4
F5
VCOC
RIN3
MPWR
MCKI
TVDD
SDTO
SDA
RIN1
IN1+
[AK4648]
PIN/FUNCTION
I/O
Function
-
No Connection Pin
This should be connected to ground (VSS1, VSS2 or VSS3 pin).
- Headphone Amp Power Supply Pin, 2.6 ∼ 5.0V
O Rch Speaker-Amp Positive Output Pin
O Rch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
O Negative Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
I Lch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
I Positive Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
O
Test Pin
This pin should be open.
O Lch Speaker-Amp Negative Output Pin
O Lch Speaker-Amp Positive Output Pin
- Ground 2 Pin
O Rch Speaker-Amp Negative Output Pin
O Lch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
O Positive Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
I Rch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
I Microphone Negative Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
O
Common Voltage Output Pin, 0.45 x AVDD
Bias voltage of ADC inputs and DAC outputs.
O Headphone-Amp Common Voltage Output Pin
I Rch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
I Negative Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
I Lch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
I Microphone Positive Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
I Mono Signal Input Pin (AIN3 bit = “0”: PLL is available.)
I Lch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
- Analog Power Supply Pin, 2.6 ∼ 3.6V
O
Mute Time Constant Control Pin
Connected to VSS2 pin with a capacitor for mute time constant.
O Rch Headphone-Amp Output Pin
O Lch Headphone-Amp Output Pin
- Ground 1 Pin
I Lch Analog Input 4 Pin (MDIF1 bit = “0”: Single-ended Input)
I Microphone Negative Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
- Ground 3 Pin
I
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
- Digital Power Supply Pin, 2.6 ∼ 3.6V
O
Output Pin for Loop Filter of PLL Circuit (AIN3 bit = “0”: PLL is available.)
This pin should be connected to VSS1 with one resistor and capacitor in series.
I Rch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
O MIC Power Supply Pin
I External Master Clock Input Pin
- Digital I/O Power Supply Pin, 1.6 ∼ 3.6V
O Audio Serial Data Output Pin
I/O Control Data Input/Output Pin
I Rch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
I Microphone Positive Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
MS0625-E-01
-7-
2007/06