参数资料
型号: LTC6945IUFD#TRPBF
厂商: Linear Technology
文件页数: 12/28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
2
6945f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltages
V+ (VREF+, VREFO+, VRF+, VVCO+, VD+) to GND ......3.6V
VCP+ to GND.........................................................5.5V
Voltage on CP Pin ................. GND – 0.3V to VCP+ + 0.3V
Voltage on All Other Pins ..........GND – 0.3V to V+ + 0.3V
Operating Case Temperature Range (TC)
(Note 2).................................................. –40°C to 105°C
Operating Junction Temperature........................... 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
9
10
TOP VIEW
29
GND
UFD PACKAGE
28-LEAD (4mm
5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
VREFO+
REFO
STAT
CS
SCLK
SDI
SDO
VD
+
VVCO
+
GND
VCO+
VCO
REF
REF
+
V
REF
+
CP
V
CP
+
GND
MUTE
GND
RF
RF
+
V
RF
+
BB
7
17
18
19
20
21
22
16
8
15
TJMAX = 125°C, θJC = 7°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
CASE TEMPERATURE RANGE
LTC6945IUFD#PBF
LTC6945IUFD#TRPBF
6945
28-Lead (4mm
× 5mm) Plastic QFN
–40°C to 105°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Inputs (REF+, REF)
fREF
Input Frequency
l
10
250
MHz
VREF
Input Signal Level
Single-Ended
l
0.5
2
3.3
VP-P
Input Slew Rate
l
20
V/μs
Input Duty Cycle
50
%
Self-Bias Voltage
l
1.65
1.85
2.25
V
Input Resistance
Differential
l
6.2
8.4
11.6
Input Capacitance
Differential
3
pF
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TC = 25°C. VREF+ = VREF0+ = VD+ = VRF+ = VVCO+ = 3.3V, VCP+ = 5V unless otherwise
specified. All voltages are with respect to GND.
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