NJ88C33 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc

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NJ88C33

Frequency Synthesiser (I2C BUS Programmable)

Zarlink Semiconductor Inc 

NJ88C33

ELECTRICAL CHARACTERISTICS

These characteristics are guaranteed over the following conditions (unless otherwise stated):

VDD = 4.5V to 5.5V, Tamb = -40°C to +85°C

INPUT SIGNALS

Characteristic

Value

Symbol

Unit

Min. Typ. Max.

Conditions

Input Signals SDA,

SCL, S/D

Input voltage high

Input voltage low

Input capacitance

Input current

VIH

0.7VDD

VIL

0

CI

IIN

VDD

0.3VDD

10

10

V

V

pF

µA VIN = VDD = 5.5V

Input signal RI

Input frequency

Input voltage

Input capacitance

Input current

fmax

VIrms

CI

IIN

100

52

MHz Sinewave input

mV Note 1, 2

10

pF

10

µA VIN = VDD = 5.5V

Input signal FI

Input frequency

Input voltage

Input capacitance

Input current

f

max

VIrms

50

CI

IIN

Dual modulus operation

52

MHz Sinewave input

mV Note 1, 2

10

pF

10

µA VIN = VDD = 5.5V

Input signal FI

Input frequency

Input voltage

Input capacitance

Input current

fmax

VIrms

VIrms

VIrms

CI

IIN

30

100

200

Single modulus operation

150 MHz Sinewave input

mV FI = 0-70MHz Note 1, 2

mV FI = 70-120MHz Note 1, 2

mV FI = 120-150MHz Note 1, 2

10

pF

10

µA VIN = VDD = 5.5V

Note.1Lowest noise floor achieved at 10dB above this level with I2C bus operating. The source impedance should be less

than 2kΩ.

Note.2DC coupled input amplitude VIRMS > 0.8VDD.

OUTPUT SIGNALS

Characteristic

Value

Symbol

Unit

Min. Typ. Max.

Conditions

Output Signals SDA, LD

Output voltage low

VOL

0.4

V Open drain, IOL = 3mA

Output Signal PD

CL = 400pF, tristate output

High current mode (see Fig.4)

Low current mode

Tristate

I

HU

IHD

ILU

ILD

IZ

1.9 2.5 3.1

mA 0 < VPD < 4.5, VDD = 5V, T = 25°C Note 1

-1.9 -2.5 -3.1

mA 0.4 < VPD < 5, VDD = 5V, T = 25°C Note 1

0.475 0.625 0.775 mA 0 < VPD < 4.6, VDD = 5V, T = 25°C Note 1

-0.475 -0.625 -0.775 mA 0.4 < VPD < 5, VDD = 5V, T = 25°C Note 1

50

nA Tamb = -25°C to +60°C

Output Signal FVN

Output voltage low

Output low pulse width

VOL

tWL

Open drain output

0.4

V IOL = 1mA

1/FI

CL = 30pF

Output Signals MOD, PORT

Output voltage high

Output voltage low

VOH

VOL

V -0.4

DD

Push-pull output

V IOH = 0.5mA

0.4

V IOL = 0.5mA

Output Signal LD

Output voltage low

Output low pulse width

VOL

t

WL

Open drain output

0.4

V IOL = 3mA, CL = 30pF

10 1/FVN ns Loop locked

1/f

Loop not locked

C

FVN = FI/N

fC = RI/R

Note.1Temperature coefficient for current is typically -0.7%/°C

4

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