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SC9257 PDF даташит

Спецификация SC9257 изготовлена ​​​​«Silan Semiconductors» и имеет функцию, называемую «PLL FOR DIGITAL TUNING SYSTEM».

Детали детали

Номер произв SC9257
Описание PLL FOR DIGITAL TUNING SYSTEM
Производители Silan Semiconductors
логотип Silan Semiconductors логотип 

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SC9257 Даташит, Описание, Даташиты
SC9257
PLL FOR DIGITAL TUNING SYSTEM
DESCRIPTION
The SC9257 is phase-locked loop (PLL) LSIs for digital tuning
systems (DTS) with built in 2 modulus prescalers.
The LSIs are used to configure high-performance digital tuning
systems, such as radio/cassette players. They allow high-performance
AM/FM tuners to be implemented easily
DIP-20-300-2.54
FEATURES
* Available in DIP20, SOP20 packages.
* High speed programmable dividers.
SOP-20-300-1.27
— FMIN: 30 to 150 MHz ..........(with 2 modulus prescaler)
— AMIN: 0.5 to 40 MHz .......( with 2 modulus prescaler or direct
dividing )
* 16-bit programmable counter, dual parallel output phase
* Turns off FM, AM and IF amps
when Standby mode function
comparator, crystal oscillator and reference counter.
* Serial data input and interface
* Uses 3.6MHz, 4.5MHz, 7.2MHz or 10.8MHz crystal oscillators
(CE,CK,DA).
* Has 15 reference FM and AM frequencies : 0.5K, 1K, 2.5K, 3K, * Supply voltage : 4.5 to 5.5 V
3.125K, 3.90625K, 5K, 6.25K, 7.8125K, 9K, 10K, 12.5K, 25K,
50K, 100K ( When using 4.5MHz crystal)
ORDERING INFORMATION
* Has an intermediate frequency (IF) measurement counter.
* Numerous general-purpose I/O pins for such uses as peripheral
circuit control.
* Has 4 output ports that are open drain.
Device
SC9257
SC9257S
Package
DIP-20-300-2.54
SOP-20-300-1.27
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.03.28
Page 1 of 19









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SC9257 Даташит, Описание, Даташиты
SC9257
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C)
Parameter
Supply Voltage
Input Voltage
N-ch Open-Drain Off
withstanding Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
VCC
VIN
VOFF
PD
TOPR
TSTG
Rating
-0.3~6.0
-0.3~VDD+0.3
13
300(200)
-40~85
-65~150
Unit
V
V
V
mW
°C
°C
ELECTRICAL CHARACTERISTICS (unless otherwise specified, Tamb= -40~85°C, VDD=4.5~5.58V.)
Parameter
Symbol
Operating
Voltage
Power
Supply
VDD1
Operating Power
Current
Stand-by mode
Supply
IDD1
Crystal Oscillation Frequency
Supply Voltage
VDD2
Operating Power Supply
Current
IDD2
Operating Power Supply
Current
Operating frequency range
IDD3
Crystal Oscillation Frequency
fXIN
FMIN (FMH, FML)
FMIN (FML)
AMIN (HF)
AMIN (LF)
IFIN1, IFIN2
fFM
fFML
fHF
fLF
fIF
SCIN
fSC
Operating input amplitude range
FMIN (FMH, FML)
VFM
FMIN (FML)
AMIN (HF)
AMIN (LF)
IFIN1, IFIN2
VFML
VHF
VLF
VIF
Test Condition
PLL operation
(normal operating)
VDD=5.0V,
XIN=10.8MHz,
FMIN=150MHz
PLL OFF
(Operating crystal oscillation)
VDD=5.0V, XIN =7.2MHz
PLL OFF
VDD=5.0V, XIN stop, PLL OFF
Connect crystal resonator to
XIN-XOUT terminal
FMH, FML mode, VIN=0.2Vp-p
FML mode, VIN=0.3Vp-p
HF mode, VIN=0.2Vp-p
LF mode, VIN=0.2Vp-p
VIN=0.2Vp-p
VIH=0.7VDD, VIL=0.3VDD,
square wave input.
FMH, FML mode,
fIN=30~130MHz
FML mode, fIN=30~150MHz
HF mode, fIN=1~40MHz
LF mode, fIN=0.5~20MHz
FIN=0.1~15MHz
Min.
3.5
--
4.0
--
--
3.6
30
30
1
0.8
1.0
--
0.2
0.3
0.2
0.2
0.2
Typ. Max. Unit
4.2 5.5 V
8 15 mA
5.0 5.5 V
0.81 1.50 mA
140 280 µA
~ 10.8 MHz
~ 150 MHz
~ 150 MHz
~ 50 MHz
~ 50 MHz
~ 30 MHz
~ 100 kHz
~ VDD-0.5 Vp-p
~ VDD-0.5 Vp-p
~ VDD-0.5 Vp-p
~ VDD-0.5 Vp-p
~ VDD-0.5 Vp-p
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.03.28
Page 2 of 19









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SC9257 Даташит, Описание, Даташиты
SC9257
(Continued)
Parameter
OT1~OT4 N-ch open drain
Output Current “L”level
OFF-leak Current
I/O-5~I/O-9, SCIN
Input Voltage
“H”level
“L”level
Input Current
“H”level
“L”level
Output Current “H”level
CE, CK, DA
“L”level
Input Voltage
“H”level
“L”level
Input Current
“H”level
“L”level
Output Current “H”level
PD1, PD2
“L”level
Input Current
“H”level
“L”level
Tri-State Lead Current
XOUT
Output Current “H”level
“L”level
Input feedback resistance
Input Feedback “H”level
Resistance
“L”level
PIN CONFIGURATION
Symbol
Test Condition
Min. Typ. Max. Unit
IOL1
IOEF
VOL=5.0V
VIN=5V
30.0 60.0
-- ---
-- mA
1.0 µA
VIH1
VIL1
IIH
IIL
IOH4
IOL4
VIH=5V
VIL=0V
VOH=4.0V (expect SCIN)
VOL=1.0V (expect SCIN)
0.7VDD
0
--
--
-10.0
5.0
~
~
--
--
-24.0
13.0
VDD
0.3VDD
1.0
-1.0
--
--
V
µA
mA
VIH2
VIL2
IIH
IIL
IOH5
IOL5
VIH=5V
VIL=0V
VOH=4.0V (DA)
VOL=1.0V (DA)
0.7VDD
~
VDD
V
0 ~ 0.4VDD
-- -- 1.0
µA
-- -- -1.0
-1.0 -3.0
1.0 3.0
--
mA
--
IOH3
IOL3
ITL
VOH=4.0V
VOL=1.0V
VTLH=5V, VTLL=0V
-2.0 -10.0
2.0 5.0
--
mA
--
-- -- ±1.0 µA
IOH2
IOL2
VOH=4.0V
VOL=1.0V
-0.1 -1.1
0.1 1.1
--
mA
--
FMIN, AMIN, IFIN
Rf1
(Tamb=25°C)
Rf2 XIN-XOUT (Tamb=25°C)
350 700 1400
k
500 1900 4000
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2005.03.28
Page 3 of 19










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Номер в каталогеОписаниеПроизводители
SC9256PLL FOR DIGITAL TUNING SYSTEMSilan Semiconductors
Silan Semiconductors
SC9256SPLL FOR DIGITAL TUNING SYSTEMSilan Semiconductors
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SC9257PLL FOR DIGITAL TUNING SYSTEMSilan Semiconductors
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