SX1236IMLTRT datasheet(13/96 Pages) SEMTECH

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Page 13

SX1236

WIRELESS & SENSING

DATASHEET

Rev. 1. - December 2013

2.5. Chip Specification

The tables below give the electrical specifications of the transceiver under the following conditions: Supply voltage

VDD=3.3 V, temperature = 25 °C, FXOSC = 32 MHz, FRF = 169/434/868/915 MHz (see specific indication), Pout =

+13dBm, 2-level FSK modulation without pre-filtering, FDA = 5 kHz, Bit Rate = 4.8 kb/s and terminated in a matched 50

Ohm impedance, shared Rx and Tx path matching, unless otherwise specified.

Note

Specification whose symbol is appended with “_LF” corresponds to the performance in Band 2 and/or Band 3, as

described in section 5.3.3. “_HF” refers to the upper Band 1

2.5.1. Power Consumption

Table 3

Power Consumption Specification

2.5.2. Frequency Synthesis

Table 4

Frequency Synthesizer Specification

Symbol

Description

Conditions

Min

Typ

Max

Unit

IDDSL

Supply current in Sleep mode

0.2

IDDIDLE

Supply current in Idle mode

RC oscillator enabled

1.5

IDDST

Supply current in Standby mode

Crystal oscillator enabled

1.6

1.8

IDDFS

Supply current in Synthesizer

mode

FSRx

5.8

IDDR

Supply current in Receive mode

LnaBoost Off, band 1

LnaBoost On, band 1

Bands 2&3

10.8

11.5

12.0

IDDT

Supply current in Transmit mode

with impedance matching

RFOP = +20 dBm, on PA_BOOST

RFOP = +17 dBm, on PA_BOOST

RFOP = +13 dBm, on RFO_LF/HF pin

RFOP = + 7 dBm, on RFO_LF/HF pin

120

Symbol

Description

Conditions

Min

Typ

Max

Unit

Synthesizer frequency range

Band 1

Programmable

Band 2

Band 3

137

410

862

175

525

1020

MHz

FXOSC

Crystal oscillator frequency

MHz

TS_OSC

Crystal oscillator wake-up time

250

TS_FS

Frequency synthesizer wake-up

time to PllLock signal

From Standby mode

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