ak4555 AKM Semiconductor, Inc., ak4555 Datasheet - Page 2

• Manufacturer Part Number: ak4555
• Description: Low Power & Small Package 20bit ?? Codec
• Manufacturer: AKM Semiconductor, Inc.

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