AK4635 AKM [Asahi Kasei Microsystems], AK4635 Datasheet - Page 8

• Manufacturer Part Number: AK4635
• Description: 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
• Manufacturer: AKM [Asahi Kasei Microsystems]

Parameter
Speaker-Amp Characteristics: SDTI
Output Noise Level
Load Impedance
Load Capacitance
V Input Characteristics:
Maximum Input Voltage
Pull Down Current
V Output Characteristics:
Output Gain
Maximum Output
Voltage
(Note
Clamp Voltage
S/N
Secondary Distortion VIN = 3.58MHz, 1.0Vpp (Sin Wave)
Load Resistance
Load Capacitance
LPF
Frequency Response
Group Delay
GCA Characteristics:
Step Size
Power Supplies
Power Up (PDN pin = “H”)
Power Down (PDN pin = “L”)
Note 7. The voltage difference between MICP and MICN pins. AC coupling capacitor should be inserted in series at each
Rev. 0.6
Output Voltage (0dBFS)
S/(N+D) (Note 13)
Input=1.26Vpp, Sin Wave
All Circuit Power-up Except Video Amp
Video Amp Power-up :
All Circuit Power-up :
AVDD+DVDD+SVDD
18)
input pin. Full-differential mic input is not available at MGAIN3-0 bits = “1000” or “0000”. Maximum input
voltage of MICP and MICN pins are proportional to AVDD voltage, respectively.
Vin = |(MICP) − (MICN)| = 0.069 x AVDD(max)@MGAIN3-0 bits = “0001”,
0.035 x AVDD(max)@MGAIN3-0 bits = “0010”, 0.017 x AVDD(max)@MGAIN3-0 bits = “0011”,
0.218x AVDD(max)@MGAIN3-0 bits = “0100”, 0.097x AVDD(max)@MGAIN3-0 bits = “0101”,
0.048x AVDD(max)@MGAIN3-0 bits = “0110”, 0.024x AVDD(max)@MGAIN3-0 bits = “0111”,
(0dB at 100kHz)
AVDD+DVDD
SVDD: Speaker-Amp Normal Operation (No Output)
AVDD+DVDD
AVDD+DVDD
(Note
(Note
14)
VIN = 100kHz (GCA = 0dB)
at DC output
at Sag Compensation Output
100μF+4.7μF, AVDD ≥ 3.0 V
at Sag Compensation Output
47μF+4.7μF, AVDD ≥ 3.1V
at DC output
BW = 100kH ∼ 6MHz
C
C
C
L
L
L
(Note
1
2
3
13)
(Figure
(Figure
(Figure
(Note
(Note
(Note
Response at 6.75MHz
Response at 27MHz
|GD3MHz − GD6MHz|
GCA = −1.0dB ∼  + 10.5dB
17)
SVDD=3.3V
fs = 48kHz
fs = 8kHz
fs = 48kHz
23)
4)
5)
22)
4,
(Note
25)
Figure
(Note
(Note
(Note
SPP/SPN pins, ALC2 bit = “0”, SPKG bit = “0”, C
BTL, SVDD = 3.8V
18)
(Note
24)
5)
24)
18,
(Note
(Note
12)
Note
(Note
21)
(Note
20)
19)
- 8 -
18)
18)
Min
50
-
-
-
-
-
-
-
-
-
-
TBD
TBD
TBD
TBD
140
-
-
-
-
-
-
-
-
-
-
-
-
Typ
-68
2.5
1.5
20
12
19
9
8
1
-
-
2.52
-0.5
150
1.2
1.0
6.0
2.4
2.4
-45
-40
0.5
50
66
10
-
-
-
L
= 3μF, R
TBD
TBD
TBD
TBD
TBD
max
3
-
-
-
-
-
TBD
TBD
TBD
400
100
30
15
-
-
-
-
-
-
-
-
-
-
series
= 10Ω x 2,
[AK4635]
2007/10
Units
Vrms
dBV
Vpp
Vpp
Vpp
Vpp
mV
mA
mA
mA
mA
mA
μA
μA
dB
μF
dB
dB
dB
dB
dB
dB
pF
pF
pF
ns
Ω
Ω