參數(shù)資料
型號(hào)： OL2300NHN
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： Fractional-N PLL based transmitter
中文描述： SPECIALTY TELECOM CIRCUIT, PQCC16
封裝： 3 X 3 MM, 0.85 MM HEIGHT, LEAD FREE, PLASTIC, MO-220, SOT758-1, VQFN-16
文件頁(yè)數(shù)： 37/46頁(yè)
文件大?。?/td> 951K
代理商： OL2300NHN
OL2300
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 28 October 2010
37 of 46
NXP Semiconductors
OL2300
Fractional-N PLL based transmitter
[1]
Maximum resistance that can be put in series with the crystal without causing oscillation dropouts
[2]
The given R
s
(Oscillation margin) is tested and guaranteed only at room temperature (T
amb
= 25
°
C). The minimum value occurs at high
temperature and a minimum supply voltage of V
DD
= 2.1 V.
To guarantee sufficient oscillation start-up margin every reference application board must be individually checked by the customer.
[3]
[4]
Derived from simulation, not tested.
[5]
Load tank circuit according to
Figure 23
.
[6]
Valid only for HVQFN16 package at 869 MHz.
[7]
The value of general supply block capacitor C
VDD
should be at least 2 times that of C
VREG
.
9. Test information
Table 42.
Component
L1
L2
C3
Modulation
[7]
f
mod
modulation frequency
ASK
FSK
-
-
-
-
56
56
kHz
kHz
Table 41.
T
amb
=
25
°
C to +85
°
C, V
DD
= 2.7 V, V
SS
= 0 V; capacitor (47 nF) connected between VREG and V
SS
(unless otherwise
specified).
Symbol
Parameter
Conditions
Transmitter AC/DC conditions
…continued
Min
Typ
Max
Unit
(1) C1 and C2 are used as load capacitances according to the crystal specification to operate the
crystal oscillator at its nominal frequency.
(2) The load tank configurations shown in
Table 42
are used for device characterization and are not
optimized for maximum output power.
Fig 23. Test circuit
Load tank circuit configuration for ~200
Ω
315 MHz
82 nH
47 nH
~5.6 pF
434 MHz
68 nH
27 nH
~4.1 pF
868 MHz
47 nH
10 nH
~2.2 pF
001aak401
1
OL2300
2
3
4
12
11
10
9
5
XTAL2
XTAL1
V
DD
SCK
SDIO
16
CKOUT
15
TEST1/
SDO
14
TEST2
13
optional
SPI connection
EN
C1
100 k
Ω
optional
100 k
Ω
optional
100 k
Ω
optional
C2
CVDD
220 nF
100 pF
C6
X4SMA
L1
C3
L2
C4
C5
CVREG
47 nF
6
VREG
7
V
DDA
8
V
SSA
V
DDD(PA)
VSS
VDD
PAOUT
V
SS(PA)
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