WL800 データシートの表示（PDF） - Zarlink Semiconductor Inc

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WL800

2.5GHz Frequency Synthesiser

Zarlink Semiconductor Inc 

Preliminary Information WL800

Electrical Characteristics (continued)

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

TAMB = -20°C, to +85°C, Vcc = 2.7V to 3.6V

Characteristic

LOCK DETECT CIRCUIT

Smoothing capacitor charge/

discharge current

Threshold voltage

Output high voltage

Output low voltage

Value

Unit

MIN

TYP MAX

80

110

150

µA

Vcc-0.3

V

1.8

Vcc

V

Vee

0.5

V

Condition

Determined by application.

On smoothing capacitor

I out = 10µA

I out = 0 µA

PHASE DETECTOR AND

CHARGE PUMP

Comparison frequency

Charge pump output current

Up down current matching

Reference voltage

Vcc-1.05

1

±1

5

Vcc-0.7

MHz

mA

%

V

Divided crystal reference

Rpin 8 = 10k

CHARGE PUMP OP-AMP

First Stage:

High output voltage

2.4

Low output voltage

Second Stage:

Filter drive amplifier output current

Filter drive amp output swing

0.3

±1

0.77

V

V

mA

Vp-p

PRESCALER

Input drive voltage

Maximum operating frequency

Input Impedance

TRANSMIT DATA INPUT

Logic low

Logic high

TX DATA OUT

Logic 0 output current

Logic 1 output current

Output current in receive mode

40

200

mV rms

3

GHz

330Ω

0.5pF

-60

-100

µA

Rsource=20k

+60

+100

µA

25

50

100

µA

Set by external resistor on pin 7

200

nA

25

µA

Leakage Current

Equal to 0.5 mod current

5

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