SX1233 データシートの表示（PDF） - Semtech Corporation
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SX1233 Datasheet PDF : 81 Pages
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SX1233
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
2.4. Chip Specification
The tables below give the electrical specifications of the transceiver under the following conditions: Supply voltage VBAT1=
VBAT2=VDD=3.3 V, temperature = 25 °C, FXOSC = 32 MHz, FRF = 915 MHz, 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, unless otherwise
specified.
Note Unless otherwise specified, the performances in the other frequency bands are similar or better.
2.4.1. Power Consumption
Table 4 Power Consumption Specification
Symbol
IDDSL
IDDIDLE
IDDST
IDDFS
IDDR
IDDT
Description
Conditions
Supply current in Sleep mode
Supply current in Idle mode
RC oscillator enabled
Supply current in Standby mode Crystal oscillator enabled
Supply current in Synthesizer
mode
Supply current in Receive mode 4.8kbps
500kbps
Supply current in Transmit mode
with appropriate matching, sta-
ble across VDD range
RFOP = +17 dBm, on PA_BOOST
RFOP = +13 dBm, on RFIO pin
RFOP = +10 dBm, on RFIO pin
RFOP = 0 dBm, on RFIO pin
RFOP = -1 dBm, on RFIO pin
2.4.2. Frequency Synthesis
Table 5 Frequency Synthesizer Specification
Min Typ Max Unit
-
0.1
1 uA
-
1.2
- uA
-
1.25 1.5 mA
-
9
- mA
-
16
- mA
-
17
- mA
-
95
- mA
-
45
- mA
-
33
- mA
-
20
- mA
-
16
- mA
Symbol
FR
FXOSC
TS_OSC
TS_FS
TS_HOP
Description
Synthesizer Frequency Range
Conditions
Programmable
Crystal oscillator frequency
Crystal oscillator wake-up time
See section 7.1
Min Typ
290
-
424
-
862
-
-
32
-
250
Frequency synthesizer wake-up From Standby mode
time to PllLock signal
-
80
Frequency synthesizer hop time
at most 10 kHz away from the
target
200 kHz step -
20
1 MHz step -
20
5 MHz step -
50
7 MHz step -
50
12 MHz step -
80
20 MHz step -
80
25 MHz step -
80
Max
340
510
1020
-
500
150
Unit
MHz
MHz
MHz
MHz
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Rev 3.April 2010
Page 12
www.semtech.com
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