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R2S15901SP の電気的特性と機能

R2S15901SPのメーカーはRenesas Technologyです、この部品の機能は「Digital Delay IC」です。


製品の詳細 ( Datasheet PDF )

部品番号 R2S15901SP
部品説明 Digital Delay IC
メーカ Renesas Technology
ロゴ Renesas Technology ロゴ 




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R2S15901SP Datasheet, R2S15901SP PDF,ピン配置, 機能
www.DataSheet4U.com
R2S15901SP
Digital Delay IC for “Lip Sync”
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 = 32kHz)
When fs = 48kHz, maximum delay is 149ms.
2 3-state pins for 9-step configuration
3.3V signal input available
Recommended Operating Condition
Supply Voltage Range
Circuit Current
Operation Temperature
VDD = 2.5V (typ.)
IDD = 1.0mA (typ.)
Topr= –20 to 75ºC
Applications
LCD TV, PDP, DVD Recorder, AV Amplifier
REJ03F0151-0100
Rev.1.0
Apr 28, 2005
Rev.1.0 Apr 28, 2005 page 1 of 7

1 Page





R2S15901SP pdf, ピン配列
R2S15901SP
Pin Configuration
SDI
LRI
BCKI
VSS
1
2
3
4
8 VDD
7 SDO
6 COUNT1
5 COUNT0
Pin Description
Pin No. Pin Name I/O
Description
1 SDI I Serial audio data input
The input audio data are fetched at every LRI edge.
2 LRI I LR clock
Audio sample frequency.
Low indicates the audio input data SDI and output data SDO are left channel data.
High indicates the audio input data SDI and output data SDO are right channel data.
3
BCKI
I Bit clock input
BCK clock is 64 times as large as LRI and input audio data.
4
VSS
Ground
5
COUNT0 I
Delay time control 0
6 COUNT1
Delay time control 1
Delay time control pin. These two inputs are 3-state input pins that may be set high
or low, or left unconnected to generate the third state. With the 3-state condition, 9-
step delay time may be organized.
7
SDO
O Audio data output
This SDO is the delayed audio data output.
8
VDD
Power supply +2.5V
Rev.1.0 Apr 28, 2005 page 3 of 7


3Pages


R2S15901SP 電子部品, 半導体
R2S15901SP
Electrical Characteristics
Parameter
Operating VDD voltage
Operating current
High level input voltage
Low level input voltage
Output high voltage
Output low voltage
Input high current
Input high current with 31kpull down
Input low current
Input low current with 31 kpull up
Input capacitance
Input rise/fall transition time
Symbol
VDD
IDD
VIH
VIL
VOH
VOL
IIH
IIH(PD)
IIL
IIL(PU)
CIN
Tr/Tf
(Unless otherwise stated, VDD = 2.5V, VSS = 0V, Ta = 25°C)
Min. Typ. Max. Unit
Test Condition
2.25 2.5 2.75
V
BCKI: 13MHz
— 1 — mA
SDO: CL=25pF
1.7 3.3
V LRI, SDI, BCKI
0.7 V LRI, SDI, BCKI
1.85 VDD V IOH = -2mA
0 0.4 V IOL = 2mA
–10 10 µA VIN = VDD
40
–10
–160
80
–80
10
160
10
–40
100
µA VIN = VDD
COUNT0, COUNT1
µA VIN = VSS
µA VIN = VSS
COUNT0, COUNT1
pF
nS
Serial Audio Timing
Serial Audio Input Timing Parameters
Parameter
BCKI frequency
BCKI period
L pulse width
H pulse width
BCKI to LRI time
LRI to BCKI time
Data Setup time
Data Hold time
Data output delay
Symbol
fBCK
tSIL
tSIH
tSLI
tLSI
tDS
tDH
tDOD
Min.
35
35
15
15
15
15
Typ.
Max.
13
15
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
Test Condition
SDO: CL = 25pF
LRI
BCKI
tSIH
SDI
tSIL tSLI
tLSI
tDS tDH
SDO
tDOD
Rev.1.0 Apr 28, 2005 page 6 of 7

6 Page



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部品番号部品説明メーカ
R2S15901SP

Digital Delay IC

Renesas Technology
Renesas Technology


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