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参数资料
| 型号： | LTC6908CDCB-1#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC OSC SILICON 10MHZ 6-DFN |
| 标准包装： | 500 |
| 类型： | 振荡器 - 硅 |
| 频率： | 50kHz ~ 10MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 电流 - 电源： | 1.25mA |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 6-WFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 6-DFN-EP（2x3） |
| 安装类型： | 表面贴装 |
LTC6908-1/LTC6908-2
11
690812fa
RSET ()
100
STARTUP
DELAY
(
s)
1000
1k
100k
1M
10M
690812 F07
10
10k
10000
TA = 25°C
V+ = 3V
and load response are maintained while peak electromag-
netic radiation (or conduction) is reduced. Output ripple
may be somewhat increased, but its behavior is very much
like noise and its system impact is benign.
HIGH FREQUENCY REJECTION
Using the LTC6908 in spread spectrum mode naturally
eliminates any concerns for output frequency accuracy
and stability as it is continually hopping to new settings.
In xed frequency applications however, some attention to
V+ supply voltage ripple is required to minimize additional
output frequency error. Ripple frequency components on
the supply line near the programmed output frequency of
the LTC6908 in excess of 30mVP-P could create an addi-
tional 0.2% of frequency error. In applications where a xed
frequency LTC6908 output clock is used to synchronize
the same switching regulator that provides the V+ supply
to the oscillator, noticeable jitter of the clock may occur
if the ripple exceeds 30mVP-P.
START-UP TIME
The start-up time and settling time to within 1% of the nal
value can be estimated by tSTART ≈ RSET (2.5s/k) + 10s.
For instance, with RSET = 100k, the LTC6908 will settle to
within 1% of its 1MHz nal value in approximately 260s.
APPLICATIO S I FOR ATIO
WU
U
Figure 7 shows start-up times for various RSET resistors.
An internal counter mutes the outputs for the rst 64 clock
cycles after power-up, ensuring that the rst clock cycle
is close to the desired operating frequency.
JITTER
The Peak-to-Peak Jitter vs Output Frequency graph, in
the Typical Performance Characteristics section, shows
the typical clock jitter as a function of oscillator frequency
and power supply voltage. These specications assume
that the capacitance on SET is limited to less than 10pF,
as suggested in the Pin Functions description. If this
requirement is not met, the jitter will increase.
Figure 7. Start-Up Time
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC6908CDCB-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation |
| LTC6908CDCB-2#TRMPBF | 功能描述:IC OSC SILICON 10MHZ 6-DFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器（TCXO） 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装 |
| LTC6908CDCB-2#TRPBF | 功能描述:IC OSC SILICON 10MHZ 6-DFN RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 可编程计时器和振荡器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:45 系列:- 类型:温度 - 补偿晶体振荡器（TCXO） 计数:- 频率:25MHz 电源电压:3.135 V ~ 3.465 V 电流 - 电源:1.5mA 工作温度:-40°C ~ 85°C 封装/外壳:16-SOIC（0.295"，7.50mm 宽） 包装:管件 供应商设备封装:16-SOIC W 安装类型:表面贴装 |
| LTC6908CS6-1 | 制造商:Linear Technology 功能描述:RESISTOR SET SOT-23 OSCILLATOR WITH SPREAD SPECTRUM MODULATION |
| LTC6908CS6-1#PBF | 制造商:Linear Technology 功能描述:Silicon Oscillator 6-Pin TSOT-23 制造商:Linear Technology 功能描述:OSCILLATOR 10MHZ 5.5V TSOT- 制造商:Linear Technology 功能描述:OSCILLATOR, 10MHZ, 5.5V, TSOT-23-6; Operating Mode:-; Frequency:10MHz; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Digital IC Case Style:TSOT-23; No. of Pins:6; Clock External Input:Yes; Operating Temperature Min:0C ;RoHS Compliant: Yes |
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