R2S15901SP
R2S15901SP is Digital Delay-IC manufactured by Renesas.
Description
R2S15901SP is a digital audio delay chip to synchronize the TV video and audio signals.
Features
- -
- - CMOS Technology 2-Channel 24-bit Audio signals delay Delay time is controlled by DC voltage (9steps: 1, 7/8, 3/4, 5/8, 1/2, 3/8, 1/4, 1/8 times) 43K bytes RAM up to delay 224ms(@fs = 32k Hz) When fs = 48k Hz, maximum delay is 149ms.
- 2 3-state pins for 9-step configuration
- 3.3V signal input available
Remended Operating Condition
Supply Voltage Range Circuit Current Operation Temperature VDD = 2.5V (typ.) IDD = 1.0m A (typ.) Topr=
- 20 to 75ºC
Applications
LCD TV, PDP, DVD Recorder, AV Amplifier
Rev.1.0 Apr 28, 2005 page 1 of 7
Block Diagram
BCKI LRI
SDI LRI BCKI
L/R Serial Audio I/F Input
RD RAM I/F WR Di Addr SRAM Do
L/R Serial Audio I/F Output
Contol
Input/Output Configuration
The schematic diagrams of the input and output circuits of the logic section are shown below:
COU NT 0
COU NT 1
31K
31K
Input pin 1, 2, 3
Input Pin 5, 6
Output Pin 7
Rev.1.0 Apr 28, 2005 page 2 of 7
Pin...
