AK4554 Datasheet, PDF (2/17 Pages) Asahi Kasei Microsystems – Low Power & Small Package 16bit ΔΣ CODEC

ASAHI KASEI
„ Ordering Guide
AK4554VT
AKD4554
„ Pin Layout
VCOM
AINR
AINL
VSS
VDD
DEM0
DEM1
SDTO
−40 ∼ +85°C
16pin TSSOP (0.65mm pitch)
Evaluation Board for AK4554
[AK4554]
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
Item
Power Supply Voltage
VCOM pin
ADC S/(N+D) (typ)
ADC Input Resistance (typ)
ADC PSRR (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
0.45 x VDD
82dB
100kΩ
35dB
10mA
5.6mA
5.6mA
43dB
±0.06dB
14.8/fs
256fs/384fs/512fs
4.7µF + 0.1µF
RC filter is needed.
AK4554
1.6 ∼ 3.6V
0.5 x VDD
80dB
70kΩ
45dB
8mA
4mA
4.4mA
54dB
±0.02dB
19.0/fs
256fs/384fs/512fs/768fs (fs=8∼50kHz)
1024fs (fs=8∼25kHz)
0.1µF
RC filter is on-chip.
MS0325-E-01
-2-
2005/08