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CC400-RTR2 데이터시트(PDF) 7 Page - Texas Instruments

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부품명 CC400-RTR2
상세설명  Single Chip High Performance RF Transceiver
PDF  31 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

CC400-RTR2 데이터시트(HTML) 7 Page - Texas Instruments

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CC400
SWRS050
Page 7 of 32
8.
Frequency Synthesiser Section
Tc = 25°C @ VDD = 3.0 V if nothing else is stated. Measured on Chipcon’s
CC400DB
reference design.
Parameter
Min.
Typ.
Max.
Unit
Condition
Crystal Oscillator Frequency
4
12
13
MHz
Crystal frequency accuracy
requirement
+/- 50
ppm
The crystal frequency accuracy
and drift (ageing and temperature
dependency) will determine the
frequency accuracy of the
transmitted signal.
Crystal operation
Parallel
C151 and C161 are loading
capacitors, see page 17.
Crystal load capacitance
20
16
12
pF
pF
pF
4-6 MHz
6-10 MHz
10-13 MHz
Crystal oscillator start-up time
3
6
ms
12 MHz, 12 pF load
Output signal phase noise
-70
-90
-81
-107
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
10 kHz offset from carrier
100 kHz offset from carrier
Loop filter BW = 16 kHz
10 kHz offset from carrier
100 kHz offset from carrier
Loop filter BW = 3 kHz
RX / TX turn time
100
µs
PLL turn-on time, crystal oscillator
off in power down mode
4
ms
PLL turn-on time, crystal oscillator
on in power down mode
2
ms
It is recommended to wait at least
8 ms (6 ms crystal oscillator start-
up time and 2 ms PLL turn-on
time) before checking the PLL
Lock Indicator at the LOCK pin.
Please refer to chapter “PLL Lock
Indicator” on page 16 for a further
description.
Table 8: Frequency Synthesiser Section
9.
DC Characteristics
The DC Characteristics of
CC400 are listed in Table 10 below. Tc = 25°C if nothing else
stated.
Parameter
Min.
Typ.
Max.
Unit
Condition
Logic "0" input voltage
0
0.3*VDD
V
Logic "1" input voltage
0.7*VDD
VDD
V
Logic "0" output voltage
0
0.4
V
Output current -2.5 mA,
3.0 V supply voltage
Logic "1" output voltage
2.5
VDD
V
Output current 2.5 mA,
3.0 V supply voltage
Logic "0" input current
NA
-1
µA
Input signal equals GND
Logic "1" input current
NA
1
µA
Input signal equals VDD
Table 9: DC Characteristics



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