Datasheet > M64897GP

M64897GP

更新时间： 2024-02-20 17:45:34

品牌	Logo	应用领域
三菱 - MITSUBISHI		转换器光电二极管 DC-DC转换器 PC
页数	文件大小	规格书
8页	63K
描述
PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC

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M64897GP 数据手册

MITSUBISHI ICs (TV)

M64897GP

PLL FREQUENCY SYNTHESIZER WITH DC-DC CONVERTER FOR PC

DESCRIPTION

PIN CONFIGURATION (TOP VIEW)

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.

PRESCALER

INPUT

CRYSTAL

20 Xin

fin

GND

V^CC1

V^CC2

BS4

BS3

BS2

BS1

VDC

OSCILLATOR

CHIP ADDRESS

INPUT

19 ADS

GND

SUPPLY

SDA

DATA INPUT

VOLTAGE 1

SUPPLY

SCL

CLOCK INPUT

VOLTAGE 2

FEATURES

LD/ftest

OUTPUT

A/D INPUT

LD/ftest

• ^{Built-in DC-DC converter for Tuning voltage}

BAND

SWITCHING

OUTPUTS

15 ADC

14 Vin

• ^{4 integrated PNP band drivers}

FILTER INPUT

(Io=30mA, Vsat=0.2V typ@Vcc1 to 10V)

TUNING

OUTPUT

SUPPLY

VOLTAGE

SWITCHING

OUTPUT

• ^{Built-in prescaler with input ampliﬁer (f max=1.3GHz)}

Vtu

12 +B

• ^{PLL lock/unlock status display out put}

DC-DCSUPPLY

VOLTAGE

(Built-in pull up resistor)

PEACK CURRENT

DETECT

Ipk

SWE

• ^{X’tal 4MHz is used to realize 3 type of tuning steps}

(Divider ratio 1/512, 1/640, 1/1024)

Outline 20P2E-A

• Software compatible with M64894

• Built-in Power on reset system

• Small Package (SSOP)

RECOMMENDED OPERATING CONDITION

Supply voltage range..............................................VCC1=4.5 to 5.5V

VCC2=VCC1 to 10V

APPLICATION

PC, TV, VCR tuners

Rated supply voltage...........................................................VCC1=5V

VCC2=VCC1

BLOCK DIAGRAM

VCC1

VDC

Ipk

OSC

AMP

f REF DIVIDER

SELECTER

LATCH

DIV.

Xin

fin

SWE

1/8

Vreg

LATCH

Vtu

15bit

PHASE

DETECTOR

CHARGE

PUMP

1/32,1/33

PROGRAMMABLE DIVIDER

TEST

LATCH

SCL

SDA

ADS

Vin

LOCK

DETECTOR

BUS CONTROLLER

ADDRESS SELECT

5-LEVEL A/D

LD/ftest

BAIS / BAND SWITCH DRIVER

Power

On Reset

VCC2

BS4

BS3

BS2

BS1

GND

ADC

12 3 4 5 6 7 8

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