6.4 Thermal Information

THERMAL METRIC(1)

CDC3RL02

UNIT

YFP (TSSOP)

8 PINS

RθJA

Junction-to-ambient thermal resistance

107.8

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

1.3

°C/W

RθJB

Junction-to-board thermal resistance

18.1

°C/W

ψJT

Junction-to-top characterization parameter

4.5

°C/W

ψJB

Junction-to-board characterization parameter

18.1

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

note.

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LDO

VOUT

LDO output voltage

IOUT = 50mA

1.71

1.8

1.89

V

CLDO

External load capacitance

1

10

μF

IOUT(SC) Short circuit output current

RL = 0Ω

100

mA

IOUT(PK)

Peak output current

VBATT = 2.3V, VLDO = VOUT – 5%

100

mA

PSR

Power supply rejection

VBATT = 2.3V, IOUT = 2mA,

fIN= 217Hz and 1kHz

60

dB

fIN= 3.25MHz

40

tsu

LDO startup time

VBATT = 2.3V, CLDO = 1μF,

CLK_REQ_n to VIH = 1.71V

0.2

ms

VBATT = 5.5V, CLDO = 10μF,

CLK_REQ_n to VIH = 1.71V

1

POWER CONSUMPTION

ISB

Standby current

Device in standby (all VCLK_REQ_n = 0V)

0.2

1

μA

ICCS

Static current consumption

Device active but not switching

0.4

1

mA

IOB

Output buffer average current

fIN = 26MHz, CLOAD = 50pF

4.2

mA

CPD

Output power dissipation

capacitance

fIN = 26MHz

44

pF

MCLK_IN INPUT

II

MCLK_IN, CLK_REQ_1/2 leakage

current

VI = VIH or GND

1

μA

CI

MCLK_IN capacitance

fIN = 26MHz

4.75

pF

RI

MCLK_IN impedance

fIN = 26MHz

6

kΩ

fIN

MCLK_IN frequency range

10

26

100

MHz

MCLK_IN LVCMOS SOURCE

Additive phase noise

fIN = 26MHz, tr/tf ≤ 1ns

1kHz offset

–140

dBc/Hz

10kHz offset

–149

100kHz offset

–153

1MHz offset

–148

Additive jitter

fIN = 26MHz, VPP = 0.8V, BW = 10MHz to 5MHz

0.37

ps (rms)

tDL

MCLK_IN to CLK_OUT_n

propagation delay

11

ns

DCL

Output duty cycle

fIN = 26MHz, DCIN = 50%

45%

50%

55%

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CDC3RL02

SCHS371H – NOVEMBER 2009 – REVISED OCTOBER 2024

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