AK4555 Datasheet, PDF (2/17 Pages) Asahi Kasei Microsystems – Low Power & Small Package 20bit ΔΣ CODEC

ASAHI KASEI
„ Ordering Guide
AK4555VT
AKD4555
„ Pin Layout
VCOM
AINR
AINL
VSS
VDD
DEM0
DEM1
SDTO
−40 ∼ +85°C
16pin TSSOP (0.65mm pitch)
Evaluation Board for AK4555
[AK4555]
1
16
AOUTR
2
15
AOUTL
3
14
PWDAN
4
Top
13
PWADN
View
5
12
SCLK
6
11
MCLK
7
10
LRCK
8
9
SDTI
„ Comparison with AK4550 and AK4554
Item
Power Supply Voltage
Audio I/F Format
VCOM pin
ADC S/(N+D) (typ)
ADC Input Resistance (typ)
Power Supply Current (typ)
AD+DA
AD
DA
DAC Digital Filter
Stopband Attenuation (min)
Passband Ripple (max)
Group Delay
MCLK
External Circuit
VCOM pin
AINL, AINR pins
AK4550
2.3 ∼ 3.6V
ADC: 16bit MSB
justified
DAC: 16bit LSB justified
0.45 x VDD
82dB
100kΩ
AK4554
1.6 ∼ 3.6V
ADC: 16bit MSB
justified
DAC: 16bit LSB justified
0.5 x VDD
80dB
70kΩ
AK4555
Å
I²S
Å
Å
Å
10mA
8mA
Å
5.6mA
4mA
Å
5.6mA
4.4mA
Å
43dB
±0.06dB
14.8/fs
256fs/384fs/512fs
54dB
Å
±0.02dB
Å
19.0/fs
Å
256fs/384fs/512fs/768fs
(fs=8∼50kHz)
Å
1024fs (fs=8∼25kHz)
4.7µF + 0.1µF
0.1µF
Å
RC filter is needed.
RC filter is on-chip.
Å
MS0363-E-01
-2-
2005/08