AK4536 Datasheet, PDF (8/59 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4536]
FILTER CHRACTERISTICS
(Ta = 25°C; AVDD, DVDD, SVDD =2.4 ∼ 3.6V; fs=8kHz)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 18) ±0.16dB
PB
0
-0.66dB
-
3.5
−1.1dB
-
3.6
−6.9dB
-
4.0
Stopband
(Note 18)
SB
4.8
Passband Ripple
PR
Stopband Attenuation
SA
68
Group Delay
(Note 19)
GD
17.1
Group Delay Distortion
∆GD
0
ADC Digital Filter (HPF):
Frequency Response (Note 18) −3.0dB
FR
−0.5dB
−0.1dB
-
1.25
-
3.56
-
8.14
DAC Digital Filter:
Passband
(Note 18) ±0.12dB
PB
0
−6.2dB
-
4.0
Stopband
(Note 18)
SB
4.4
Passband Ripple
PR
Stopband Attenuation
SA
43
Group Delay
(Note 19)
GD
16.9
Group Delay Distortion
∆GD
0
DAC Digital Filter + Analog Filter:
Frequency Response: 0 ∼ 3.4kHz
FR
±1.0
max
3.0
-
-
-
±0.1
-
-
-
3.6
-
±0.06
Units
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
µs
Hz
Hz
Hz
kHz
kHz
kHz
dB
dB
1/fs
µs
dB
Note 18. The passband and stopband frequencies are proportional to fs (system sampling rate).
For example, ADC is PB=0.45*fs (@-1.1dB). A reference of frequency response is 1kHz.
Note 19. The calculated delay time caused by digital filtering. This time is from the input of analog signal to setting of the
16-bit data of a channel from the input register to the output register of the ADC. This time includes the group
delay of the HPF. For the DAC, this time is from setting the 16-bit data of a channel from the input register to the
output of analog signal.
DC CHRACTERISTICS
(Ta = 25°C; AVDD, DVDD, SVDD=2.4 ∼ 3.6V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
VIH 70%DVDD
-
-
V
Low-Level Input Voltage
VIL
-
-
30%DVDD V
Input Voltage at AC Coupling (Note 20)
VAC 50%DVDD
-
-
Vpp
High-Level Output Voltage
(Iout=−80µA)
VOH DVDD−0.4
-
-
V
Low-Level Output Voltage
(Iout= 80µA)
VOL
-
-
0.4
V
Input Leakage Current
Iin
-
-
±10
µA
Note 20. When AC coupled capacitor is connected to MCKI pin.
MS0174-E-00
-8-
2002/09