ATA5429-PLSW datasheet(78/100 Pages) ATMEL

78 / 100 page

4841D–WIRE–10/07

ATA5423/ATA5425/ATA5428/ATA5429

4.6

Pulling of radio frequency

fRF due to XTO, CL1 and

L2 versus temperature

and supply changes

1.0 pF

≤ C

0 ≤ 2.2 pF

Cm ≤ 14.0 fF

m ≤120Ω

PLL adjusted with

FREQ at nominal

temperature and supply

voltage

4, 10

∆f

XTO2

–2+2

ppm

4.7

Amplitude XTAL after

start

-up

m = 5 fF, C0 = 1.8 pF

Rm =15Ω

V(XTAL1, XTAL2)

peak

-to-peak value

24, 25

PPXTAL

700

mVpp

V(XTAL1)

peak

-to-peak value

24, 25

VPPXTAL

350

mVpp

4.8

Real part of XTO

impedance at start

-up

0 ≤ 2.2 pF, small signal

start impedance, this

value is important for

crystal oscillator startup

24, 25

XTO

–2,000

–1,500

Ω

4.9

Maximum series

resistance Rm of XTAL

after start

-up

0 ≤ 2.2 pF

Cm ≤ 14 fFΩ

24, 25

Rm_max

120

Ω

4.10

Nominal XTAL load

resonant frequency

RF = 315 MHz

fRF = 345 MHz

fRF = 433.92 MHz

RF = 868.3 MHz

fRF = 915 MHz

24, 25

fXTAL

12.73193

13.94447

13.25311

13.41191

14.13324

MHz

12. Electrical Characteristics: General (Continued)

This device is manufactured with an industrial (not automotive) grade process and process controls. Although this device may

meet certain automotive grade criteria in performance, Atmel can not recommend that this device be used in any automotive

application.

All parameters refer to GND and are valid for Tamb = 25°C, VVS1 = VVS2 = 3.0V (1-battery application), VVS2 = 6.0V (2-battery application)

and VVS2 = VVAUX = 5.0V (Base-station Application). Typical values are given at fRF = 433.92 MHz unless otherwise specified. Details

about current consumption, timing and digital pin properties can be found in the specific sections of the “Electrical Characteristics”.

No. Parameters

Test Conditions

Pin(1)

Symbol

Min.

Typ.

Max.

Unit

Type*

*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter

Note:

1. Pin numbers in brackets mean they were measured with RF_IN matched to 50

Ω according to Figure 3-1 on page 11 with

component values according to Table 3-2 on page 12 and RF_OUT matched to 50

Ω according to Figure 3-10 on page 21

with component values according to Table 3-7 on page 22.

ATA5429-PLSW Datasheet(PDF) 78 Page - ATMEL Corporation

ATA5429-PLSW Datasheet(HTML) 78 Page - ATMEL Corporation

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