PRELIMINARY DATA SHEET
2.1.5.1. DAC
The DAC uses oversampling technique with 3rd-order
multibit noise-shaping. This technique results in
extremely low quantization noise in the audio band.
DMINUS
24
DPLUS
25
26
VREG
Transceiver
Interface
Engine
RAM
µ
C
14
15
16
17
19
20
21
22
29
30
31
32
33
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
TEST
RESQ
SUSPEND
SOF
AUXEN
ROM
GP I/O
XTI
8
Oscillator
XTO
9
EEPROM
Control
I/O
Audio Streaming
Interface
Audio Control
Interface
Audio Processing Unit
DAC
Digital Supply
AUXL
AUXR
36
37
27
28
VDD
VSS
Analog Input
Input Mixer
6
AVDD0
AVDD1
AVSS0
AVSS1
VREF
AGNDC
Volume
Analog
Supply
Headphone
Amplifier
4
OUTL
5
OUTR
7
3
2
44
1
Fig. 2–1:
Detailed block diagram of the UAC 3552A
Micronas
7
MICRONAS [ MICRONAS ]
