ak4564 AKM Semiconductor, Inc., ak4564 Datasheet - Page 7

• Manufacturer Part Number: ak4564
• Description: 16bit Codec With Built-in Alc And Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

Pre-Amp Characteristics:
Input Resistance (INTL, INTR, EXTL, EXTR pins)
Maximum Output Voltage (Note 11)
Gain
Load Resistance (Note 12)
Load Capacitance (Note 13)
MIC Power Supply Voltage Characteristics: MPWR pin
Output Voltage (Output current = 0mA) (Note 14)
Maximum Output Current
ADC Analog Input Characteristics: ALC1 = OFF
Resolution
Input Resistance (LIN1, RIN1, LIN2, RIN2 pins)
Input Voltage (Note 15) (Note 16)
S/(N+D) (-0.5dBFS) (Note 16)
DR (-60dBFS, A-Weighted) (Note 16)
S/N (A-Weighted) (Note 16)
Interchannel Isolation (Note 16)
Interchannel Gain Mismatch (Note 16)
ASAHI KASEI
(Ta=25 C; AVDD, DVDD, MVDD=2.8V, SVDD=3.0V, HVDD=4.5V; AVSS, DVSS, MVSS, SVSS=0V; fs=48kHz;
Input Frequency =1kHz; Measurement width=20Hz
Note 11. Maximum output voltage is (0.6 x AVDD) Vpp.
Note 12. Load resistance is the value of “Rf + Ri”. (Refer to Figure 12)
Note 13. When the output pin drives some capacitive load, some resistor should be added in series between output pin and
Note 14. When the output current is 0mA, the output voltage of MPWR pin is typically (MVDD – 1.2) V at MVDD=2.8V
Note 15. Input voltages are proportional to AVDD voltage.
Note 16. Input from LIN1, RIN1, LIN2 or RIN2 pins. IVOL=0dB.
Note 17. Input from INTL, INTR, EXTL or EXTR pins. Pre-Amp Gain = + 23.9dB, PRE = “1”, IVOL = +29.625dB
Note 18. Input from INTL, INTR, EXTL or EXTR pins. Pre-Amp Gain = + 23.9dB, PRE = “1”, IVOL = +0dB
* 0dBV = 1Vrms = 2.83Vpp
MS0140-E-01
capacitive load.
and typically (MVDD-1.4) V at MVDD=4.5V.
When the output current is 3mA, the output voltage of MPWR pin is typically (MVDD – 1.5) V at MVDD=2.8V
and typically (MVDD-1.7) V at MVDD=4.5V.
LIN1, RIN1, LIN2, RIN2 = (0.62 x AVDD) Vpp
INTL, INTR, EXTL, EXTR = (0.0013 x AVDD) Vpp
External resistor of Pre-Amp is “Rf = 10k , Ri = 680 ”. (Refer to Figure 12)
External resistor of Pre-Amp is “Rf = 10k , Ri = 680 ”. (Refer to Figure 12)
(Note 15) (Note 17)
(Note 17)
(Note 18)
(Note 17)
Parameter
(Note 17)
(Note 17)
ANALOG CHARACTERISTICS
20kHz, unless otherwise specified)
- 7 -
-58.5
min
+18
-5.1
1.4
70
70
78
75
84
57
84
57
80
50
3
-57.7
100
+24
100
-4.3
100
typ
1.6
88
85
90
61
90
61
70
-56.9
Max
130
-4.5
+30
130
-3.5
1.8
0.5
0.5
30
10
16
3
[AK4564]
Units
dBV
dBV
dBV
2002/07
mA
bits
k
k
k
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
pF
V