OL2385 datasheet(67/85 Pages) NXP

67 / 85 page

OL2385

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Product data sheet

COMPANY PUBLIC

Rev. 1.0 — 15 June 2016

67 of 428

NXP Semiconductors

OL2385

Industrial RF transceiver

Out of band tx noise @

10000kHz

Application: sensus Band:

413MHz using channel filter

= 10kHz

-140

-132

dBc/Hz [2]

ADJACENT CHANNEL

POWER, 412 MHz band,

Sensus

4GFSK, h=0.5, BT=0.5,

Channel spacing 25kHz,

5kChip/s

-65

dBc

[2]

Occupied bandwidth, 412 MHz

band, Sensus

4GFSK, h=0.5, BT=0.5,

Channel spacing 25kHz,

5kChip/s

11.3

kHz

[2]

Table 25.

TX Characteristics

Following characteristics are valid for conditions as follows (unless otherwise specified)

Tamb = -40 °C to 85 °C, VSS = 0 V, VDD = 2.5 V to 3.6 V, fC = 413MHz, crystal = 55.2 MHz

VDD = VDD_IO, VDD_DIG, VDD_XO_VDD_RF, VDD_ADC, VDD_PA

Nr.

Description

Conditions

Min

Typ

Max

Unit

Note

Table 26.

TX Characteristics

Following characteristics are valid for conditions as follows (unless otherwise specified)

Tamb = -40 °C to 85 °C, VSS = 0 V, VDD = 2.5 V to 3.6 V, fC = 434MHz, crystal = 55.2 MHz

VDD = VDD_IO, VDD_DIG, VDD_XO_VDD_RF, VDD_ADC, VDD_PA

Nr.

Description

Conditions

Min

Typ

Max

Unit

Note

Analog start-up time from XTAL

on to TX ready

From crystal LDO regulator

active to TX ready;

NDK XTAL NX3225SA

250

[2]

Maximum output power, CW

mode, L-front matching

12.5

dBm

[2]

Minimum output power, CW

mode, L-front matching

-31

-25

dBm

[2]

Variation of maximum output

power over temperature, CW

mode, L-front matching

3.0 V

-40 °C to 25 °C

0.3

1.5

[2]

25 °C to 85 °C

0.3

1.2

[2]

Variation of maximum output

power over supply voltage, CW

mode, L-front matching

25 °C 2.5V to 3.6V

0.1

0.5

25 °C 1.9 V to 3.6 V

0.8

3.0

[2]

PA output power steps,

0.25

0.5

[2]

2nd harmonic, at maximum

output power

Conducted measurement at

50 Ohm

-51

-36

dBm

[2]

3rd harmonic, at maximum

output power

Conducted measurement at

50 Ohm

-47

-30

dBm

[2]

Spurious emission, at maximum

output power

Conducted measurement at

50 Ohm reference, 47 MHz

to 230 MHz and 470 MHz to

862 MHz

-75

-65

dBm

[2]

Spurious emission, at maximum

output power

Conducted measurement at

50 Ohm

Other frequencies below

1GHz

-75

-55

dBm

[2]

Spurious emission, at maximum

output power

Conducted measurement at

50 Ohm

1GHz to 12.5GHz

-75

-53

dBm

[2]

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