ASAHI KASEI
[AK5355]
Low Power 16bit
∆Σ
ADC
FEATURES
The AK5355 is a low voltage 16bit A/D converter for digital audio systems. The AK5355 also includes an
Input Gain Amplifier, making it suitable for microphone applications or low-input signal levels. The analog
signal input of the AK5355 is single-ended, eliminating the need for external filters. The AK5355 is housed
in a space-saving 16pin TSSOP or 20pin QFN package.
FEATURES
1. Resolution: 16bits
2. Recording Functions
•
Gain Amplifier (0dB / +15dB)
•
Digital HPF for DC-offset cancellation (fc=3.4Hz@fs=44.1kHz)
3. ADC Characteristics
•
Single-ended Input
•
Input Level: 1.8Vpp@VA=3.0V (= 0.6 x VA)
•
S/(N+D): 85dB
•
DR, S/N: 91dB
4. Master Clock: 256fs/384fs/512fs
5. Audio Data Format: MSB First, 2’s compliment
•
16bit MSB justified or I
2
S
8. Power Supply
•
VA, VD: 2.1
∼
3.6V (typ. 3.0V)
9. Power Supply Current: 5mA
10. Ta = -40
∼
85°C
11. Package: 16pin TSSOP
20pin QFN (4.2mm x 4.2mm, 0.5mm pitch)
SEL
DIF
AK5355
LIN
ADC
RIN
HPF
Audio I/F
Controller
LRCK
BCLK
SDTO
VD
VCOM
VA
VSS
Clock Divider
PDN
MCLK
MS0113-E-01
-1-
2005/01
AKM [ ASAHI KASEI MICROSYSTEMS ]
