参数资料
型号: LTC6945IUFD#TRPBF
厂商: Linear Technology
文件页数: 26/28页
文件大小: 0K
描述: IC SYNTHESIZER INTEGER N 28QFN
软件下载: PLLWizard™
PLLWizard™, with .NET 2.0 installer
标准包装: 2,500
类型: *
PLL:
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 是/是
频率 - 最大: 6GHz
除法器/乘法器: 是/无
电源电压: 3.15 V ~ 5.25 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-QFN(4x5)
包装: 带卷 (TR)
LTC6945
7
6945f
TYPICAL PERFORMANCE CHARACTERISTICS
Spurious Response
fRF = 914MHz, fREF = 10MHz,
fPFD = 250kHz, Loop BW = 7kHz
Spurious Response
fRF = 2100MHz, fREF = 10MHz,
fPFD = 1MHz, Loop BW = 40kHz
VCO Input Sensitivity
vs Frequency, Temperature
Closed-Loop Phase Noise,
fRF = 914MHz
Closed-Loop Phase Noise,
fRF = 2100MHz
FREQUENCY (GHz)
0
SENSITIVITY
(dBm)
–15
–10
4
6945 G13
–20
–25
–30
–35
1
2
3
5
0.5
4.5
1.5
2.5
3.5
5.5 6
105°C
25°C
–40°C
Spurious Response
fRF = 5725MHz, fREF = 10MHz,
fPFD = 5MHz, Loop BW = 21kHz
Supply Current vs Temperature
FREQUENCY OFFSET (MHz, IN 10kHz SEGMENTS)
–10 –3
–2
–1
0
2
13
10
–140
P
OUT
(dBm)
–120
–80
–60
–113dBc
–112dBc
–102dBc
–40
0
6945 G17
–100
–20
RBW = 1Hz
VBW = 1Hz
NOTES 7, 11
FREQUENCY OFFSET (MHz, IN 10kHz SEGMENTS)
–20 –15 –10 –5
0
10
515
20
–140
P
OUT
(dBm)
–120
–80
–60
–112dBc
–100dBc
–101dBc
–40
0
6945 G18
–100
–20
RBW = 1Hz
VBW = 1Hz
NOTES 7, 11
FREQUENCY OFFSET (MHz, IN 10kHz SEGMENTS)
–10 –0.75 –0.5 –0.25 0
0.5
0.25
0.75 10
–140
P
OUT
(dBm)
–120
–80
–60
–113dBc
–111dBc
–102dBc
–40
0
6945 G16
–100
–20
RBW = 1Hz
VBW = 1Hz
NOTES 7, 10, 11
TEMPERATURE (°C)
–40
3.3V
CURRENT
(mA)
5V
CURRENT
(mA)
83
84
85
40
60
100
6945 G19
82
81
80
–20
0
20
80
86
87
88
33.0
33.5
34.0
32.5
32.0
31.5
34.5
35.0
35.5
PDREFO = 1
O = 1
RFO = 3
MUTE = 0
ICP = 11.2mA
OFFSET FREQUENCY (Hz)
–150
PHASE,
NOISE
(dBc/Hz)
–140
–120
–100
–90
100
10k
100k
6945 G14
–160
1k
1M
10M 40M
–110
–130
–170
RMS NOISE = 0.13°
fPFD = 250kHz
BW = 7kHz
NOTES 7, 10
VCO = CRYSTEK
CVCO55CL-0902-0928
OFFSET FREQUENCY (Hz)
–150
PHASE,
NOISE
(dBc/Hz)
–140
–120
–100
–90
100
10k
100k
6945 G15
–160
1k
1M
10M 40M
–110
–130
–170
RMS NOISE = 0.33°
fPFD = 1MHz
BW = 40kHz
NOTE 7
VCO = RFMD
UMX-586-D16-G
相关PDF资料
PDF描述
LTC6946IUFD-3#TRPBF IC INTEGER-N PLL W/VCO 28QFN
LTC6993HDCB-3#TRPBF IC MONOSTABLE MULTIVIBRATOR 6DFN
LV3313PM-TLM-E IC ELECTRONIC VOLUME AUTO 44QLP
LV3319PM-V147-NE IC ELECTRONIC VOLUME AUTO 44QLP
LV3328PM-TLM-E IC ELECTRONIC VOLUME AUTO 44QLP
相关代理商/技术参数
参数描述
LTC6946-1 制造商:LINER 制造商全称:Linear Technology 功能描述:30MHz to 1.4GHz IQ Demodulator
LTC6946-2 制造商:LINER 制造商全称:Linear Technology 功能描述:30MHz to 1.4GHz IQ Demodulator
LTC6946-3 制造商:LINER 制造商全称:Linear Technology 功能描述:30MHz to 1.4GHz IQ Demodulator
LTC6946IUFD-1#PBF 功能描述:IC INTEGER-N PLL W/VCO 28-QFN 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:- 标准包装:2,000 系列:- 类型:PLL 频率合成器 PLL:是 输入:晶体 输出:时钟 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/无 频率 - 最大:1GHz 除法器/乘法器:是/无 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-LSSOP(0.175",4.40mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:NJW1504V-TE1-NDNJW1504V-TE1TR
LTC6946IUFD-1#TRPBF 功能描述:IC INTEGER-N PLL W/VCO 28QFN 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:- 标准包装:1,000 系列:Precision Edge® 类型:时钟/频率合成器 PLL:无 输入:CML,PECL 输出:CML 电路数:1 比率 - 输入:输出:2:1 差分 - 输入:输出:是/是 频率 - 最大:10.7GHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-VFQFN 裸露焊盘,16-MLF? 供应商设备封装:16-MLF?(3x3) 包装:带卷 (TR) 其它名称:SY58052UMGTRSY58052UMGTR-ND