3291-04 데이터 시트보기 (PDF) - Peregrine Semiconductor

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3291-04

1.2 GHz / 550 MHz Dual Fractional-N FlexiPower PLL for Frequency Synthesis

Peregrine Semiconductor 

PE3291

Product Specification

Table 6. DC Characteristics (continued)

VDD = 3.0 V, -40° C < TA < 85° C, unless otherwise specified

Symbol

Parameter

Reference Divider input: fr

IIHR

Input current

IILR

Input current

Digital output: foLD

VOLD

Output voltage LOW

VOHD

Output voltage HIGH

Charge Pump outputs: CP1, CP2

ICP - Source

ICP - Sink

Drive current

ICPL

Leakage current

ICP – Source

vs.

ICP - Sink

Sink vs. Source mismatch

ICP vs. TA

Output current vs. temperature

ICP vs. VCP

Output current magnitude variation vs.

voltage

Conditions

VIH = VDD = 3.6 volts

VIL = 0, VDD = 3.6 volts

Iout = 1 mA

Iout = -1 mA

VCP = VDD / 2

0.5 V < VCP < VDD-0.5 volt

VCP = VDD / 2, TA = 25° C

VCP = VDD / 2

0.5 V < VCP < VDD – 0.5

volt, TA = 25° C

Min

-25

VDD-0.4

-5

Typ

Max

Units

+25

µA

µA

V

V

-70

70

5

10

10

10

µA

µA

nA

%

%

%

Figure 5. Prescaler Current vs. FlexiPower voltage (VDD1 and VDD2 externally supplied)

4.00

3.00

2.00

PLL1

PLL2

1.00

0.00

0.8

1.2 1.6

2

2.4 2.8 3.2

FlexiPower voltage (V , V )

DD1 DD2

PEREGRINE SEMICONDUCTOR CORP.  | http://www.peregrine-semi.com

Copyright  Peregrine Semiconductor Corp. 2001

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