Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
Single-Chip Low Power RF Transceiver for Narrowband Systems ...
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4.8. Current Consumption<br />
Parameter<br />
<strong>Power</strong> Down mode<br />
Current Consumption,<br />
receive mode 433 and 868 MHz<br />
Current Consumption,<br />
transmit mode 433/868 MHz:<br />
P = −20 dBm<br />
P = −5 dBm<br />
P = 0 dBm<br />
P = +5 dBm<br />
P = +10 dBm (433 MHz only)<br />
Current Consumption, crystal<br />
oscillator<br />
Current Consumption, crystal<br />
oscillator and bias<br />
Current Consumption, crystal<br />
oscillator, bias and synthesizer<br />
5. Pin Assignment<br />
Table 11 provides an overview of the<br />
CC1021 pinout.<br />
CC1021<br />
Min Typ Max Unit Condition / Note<br />
0.2 1.8 µA Oscillator core off<br />
19.9 mA<br />
12.3/14.5<br />
14.4/17.0<br />
16.2/20.5<br />
20.5/25.1<br />
27.1<br />
77<br />
500<br />
7.5<br />
mA<br />
mA<br />
mA<br />
mA<br />
mA<br />
µA<br />
µA<br />
mA<br />
Table 10. Current consumption<br />
PCLK 1 24 VC<br />
PDI 2<br />
PDO 3<br />
DGND 4<br />
DVDD 5<br />
DGND 6<br />
DCLK 7<br />
DIO 8<br />
AGND<br />
AD_REF<br />
AVDD<br />
CHP_OUT<br />
AVDD<br />
DGND<br />
DVDD<br />
PSEL<br />
25<br />
26<br />
27<br />
28<br />
29<br />
30<br />
31<br />
32<br />
16<br />
15<br />
14<br />
13<br />
12<br />
11<br />
10<br />
9<br />
AVDD<br />
PA_EN<br />
LNA_EN<br />
AVDD<br />
AVDD<br />
XOSC_Q2<br />
XOSC_Q1<br />
LOCK<br />
The output power is delivered to<br />
a 50 Ω single-ended load.<br />
See section 13.2 on page 44 <strong>for</strong><br />
more details.<br />
14.7456 MHz, 16 pF load crystal<br />
14.7456 MHz, 16 pF load crystal<br />
14.7456 MHz, 16 pF load crystal<br />
The CC1021 comes in a QFN32 type<br />
package (see page 85 <strong>for</strong> details).<br />
23 AVDD<br />
22 AVDD<br />
21 <strong>RF</strong>_OUT<br />
20 AVDD<br />
19 <strong>RF</strong>_IN<br />
18 AVDD<br />
17 R_BIAS<br />
AGND<br />
Exposed die<br />
attached pad<br />
Figure 1. CC1021 package (top view)<br />
SWRS045B Page 15 of 89
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