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参数资料
| 型号： | TSA5060AT/C1,518 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PLL FREQUENCY SYNTHESIZER, 1300 MHz, PDSO16 |
| 封装： | 3.90 MM, PLASTIC, MS-012, SOT-109-1, SOP-16 |
| 文件页数： | 7/24页 |
| 文件大小： | 119K |
| 代理商： | TSA5060AT/C1,518 |
2000 Oct 24
15
Philips Semiconductors
Product specication
1.3 GHz I2C-bus controlled low phase
noise frequency synthesizer
TSA5060A
APPLICATION INFORMATION
An example of a typical application is given in Fig.4. In this application the VCO centre frequency is 600 MHz with a slope
of 18 MHz/V. The expected loop bandwidth is 13 kHz with a charge pump current of 1230
A and a comparison
frequency of 166.67 kHz. Filter components need to be adapted to each application depending on the VCO
characteristics and the required performance of the loop.
handbook, full pagewidth
FCE719
BC847
AS
XT/COMP
XTAL
CP
SDA
SCL
P3
P2
DRIVE
GND
RFB
RFA
VCC
P1
P0
ADC
180 pF
10 nF
1 nF
10 k
1 k
5 V
33 V
27 k
1.8 nF
tuning
voltage
VCO
output
VCO
MICRO-
CONTROLLER
47 nF
TSA5060A
1
2
3
4
5
6
7
8
18 pF
4 MHz
9
10
11
12
16
15
14
13
Fig.4 Typical application.
Loop bandwidth
Most of the applications that the TSA5060A are dedicated
for require a large loop bandwidth, in the order of a
few kHz to a few tens of kHz. The calculation of the loop
filter elements has to be done for each application, while it
depends on the VCO slope and phase noise, as well as the
reference frequency and charge pump current.
A simulation of the loop can easily be done by using the
SIMPATA software from Philips.
Reference source
The TSA5060A is well suited to be used with a 4 MHz
crystal connected to pin XTAL. Philips crystal ordering
code 4322 143 04093 is recommended in this case.
It is however possible to use a crystal with a higher
frequency (up to 16 MHz) to improve the noise
performance. When choosing a crystal, care should be
taken to select a crystal able to withstand the drive level of
the TSA5060A without suffering from accelerated ageing.
It is also possible to feed pin XTAL with an external signal
between 2 and 20 MHz, coming from an external oscillator
or from the pin XT/COMP of another TSA5060A, when
more than one synthesizer is present in the same
application. The application given in Fig.5 should then be
used.
If the signal at pin XT/COMP is not used in an application,
the output should be switched off (bits XCE = 0, XCS = 0).
This pin should then be left open.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSA5060ATS | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:1.3 GHz I2C-bus controlled low phase noise frequency synthesizer |
| TSA5060ATS/C1,118 | 功能描述:IC SYNTH FREQ 1.3GHZ 16-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 产品变化通告:Product Discontinuation 04/May/2011 标准包装:96 系列:- 类型:时钟倍频器，零延迟缓冲器 PLL:带旁路 输入:LVTTL 输出:LVTTL 电路数:1 比率 - 输入:输出:1:8 差分 - 输入:输出:无/无 频率 - 最大:133.3MHz 除法器/乘法器:是/无 电源电压:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-TSSOP（0.173"，4.40mm 宽） 供应商设备封装:16-TSSOP 包装:管件 其它名称:23S08-5HPGG |
| TSA5060ATS/C2,118 | 制造商:NXP Semiconductors 功能描述: |
| TSA-5090 | 制造商:Quest Technology International Inc 功能描述: |
| TSA-5091 | 制造商:Quest Technology International Inc 功能描述: |
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