NJU26902 Datasheet, PDF (1/11 Pages) New Japan Radio – Digital Audio Delay

NJU26902
Digital Audio Delay
! General Description
The NJU26902 is a digital audio delay. The NJU26902 provides delay-time
adjustment function and digital audio interface.
! Package
! FEATURES
NJU26902VM1
• 2-Channel Audio Delay (24 bits data width).
Delay Time 85msec at fs = 48kHz ( 128msec at fs = 32kHz , 43msec at fs = 96kHz)
• To make long delay time, the NJU26902 can be connected serially.
• Non-audio-signal data can be delayed by the NJU26902.
! Hardware Specification
• Digital Audio Interface
• Digital Audio Format
• Audio Bit Clock (BCK) Frequency
• Package
• Power Supply
:
1 Input port, 1 Output port
:
LJ / RJ / I²S 24bit BCK : 64fs / 32fs,
Slave Mode
:
13MHz Max ( approximate fs=200KHz)
:
SSOP20-M1 Pb-Free
:
2.5V ( +3.3V input tolerant )
! Function Block Diagram
NJU26902
BCK
LRI
LRI
SERIAL AUDIO
INTERFACE
BCK
Delay RAM
SERIAL AUDIO
INTERFACE
SDI
L/R in
L/R ｏｕｔ
SDO
Control
Logic
RESETb COUNT[5:0] MODE[1:0] SDO_OD BYPASS FS
Ver.2005-01-11
-1-