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Mitsubishi - PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC

Numéro de référence M64897GP
Description PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC
Fabricant Mitsubishi 
Logo Mitsubishi 





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M64897GP fiche technique
MITSUBISHI ICs (TV)
M64897GP
PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC
DESCRIPTION
The M64897GP is a semiconductor integrated circuit consisting of
PLL frequency synthesizer for TV/VCR/PC using I2C BUS control.
It contains the prescaler with operating up to1.3GHz, 4 band drivers
and DC-DC converter for Tuning voltage.
FEATURES
Built-in DC-DC converter for Tuning voltage
4 integrated PNP band drivers
(Io=30mA, Vsat=0.2V typ@Vcc1 to 10V)
Built-in prescaler with input amplifier (f max=1.3GHz)
PLL lock/unlock status display out put
(Built-in pull up resistor)
X’tal 4MHz is used to realize 3 type of tuning steps
(Divider ratio 1/512, 1/640, 1/1024)
Software compatible with M64894
Built-in Power on reset system
Small Package (SSOP)
APPLICATION
PC, TV, VCR tuners
PIN CONFIGURATION (TOP VIEW)
PRESCALER
INPUT
GND
SUPPLY
VOLTAGE 1
SUPPLY
VOLTAGE 2
fin
GND
VCC1
VCC2
BS4
1
2
3
4
5
BAND
SWITCHING
OUTPUTS
BS3 6
BS2 7
BS1
DC-DCSUPPLY
VOLTAGE
VDC
PEACK CURRENT
DETECT
Ipk
8
9
10
20 Xin
19 ADS
18 SDA
CRYSTAL
OSCILLATOR
CHIP ADDRESS
INPUT
DATA INPUT
17 SCL CLOCK INPUT
16
LD/ftest
LD/ftest
OUTPUT
15 ADC A/D INPUT
14 Vin
13 Vtu
12 +B
11 SWE
FILTER INPUT
TUNING
OUTPUT
SUPPLY
VOLTAGE
SWITCHING
OUTPUT
Outline 20P2E-A
RECOMMENDED OPERATING CONDITION
Supply voltage range..............................................VCC1=4.5 to 5.5V
VCC2=VCC1 to 10V
Rated supply voltage...........................................................VCC1=5V
VCC2=VCC1
BLOCK DIAGRAM
VCC1
3
Xin 20
OSC
f REF DIVIDER
fin 1
AMP
1/8
SELECTER
LATCH
2
LATCH
15
DIV.
VDC
9
SQ
R
-
+ Vreg
SCL 17
SDA 18
ADS 19
1/32,1/33
15bit
PROGRAMMABLE DIVIDER
PHASE
DETECTOR
CHARGE
PUMP
BUS CONTROLLER
ADDRESS SELECT
1 LOCK
DETECTOR
5
CP TEST
LATCH
BAIS / BAND SWITCH DRIVER
4
1
3
5-LEVEL A/D
Power
On Reset
4567
8
VCC2
BS4
BS3
BS2
BS1
2
GND
15
ADC
Ipk
10
11 SWE
12 +B
13 Vtu
OS
14 Vin
16 LD/ftest
1

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