参数资料
型号: NB2969ASNR2G
厂商: ON Semiconductor
文件页数: 2/8页
文件大小: 0K
描述: IC CLOCK SYNTHESIZR 4MA TSOT-6
标准包装: 1
类型: 时钟/频率合成器
PLL:
输入: CMOS,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 13MHz
除法器/乘法器: 是/无
电源电压: 2.375 V ~ 3.6 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: SC-74,SOT-457
供应商设备封装: 6-TSOP
包装: 剪切带 (CT)
其它名称: NB2969ASNR2GOSCT
NB2969A
http://onsemi.com
2
Figure 1. Block Diagram
ModOUT
DIV / 2
Crystal
Oscillator
Frequency
Divider
Feedback
Divider
Phase
Detector
Loop
Filter
XIN/CLKIN
XOUT
REFOUT/2
Modulation
VDD
VCO
Output
Divider
PLL
VSS
Table 1. KEY SPECIFICATIONS
Description
Specification
Supply Voltages
VDD =3.3 V / 2.5 V
Frequency Range
For 2.5 V Supply
For 3.3 V Supply
6.0 MHz < CLKIN < 12 MHz
6.0 MHz < CLKIN < 13 MHz
Cycle--to--Cycle Jitter
200 ps (maximum)
Output Duty Cycle
45/55% (worst case)
Modulation Rate Equation
FIN/256
Frequency Deviation
1% @ 10 MHz
Figure 2. Pin Configuration
VDD
1
2
3
6
5
4
REFOUT/2
XOUT
XIN/CLKIN
ModOUT
NB2969A
VSS
Table 2. PIN DESCRIPTION
Pin #
Pin Name
Type
Description
1
REFOUT/2
O
Buffered and divided by 2 output of the input frequency.
2
XOUT
O
Crystal connection. If using an external reference, this pin must be left unconnected.
3
XIN/CLKIN
I
Crystal connection or external reference frequency input. This pin has dual functions. It can be
connected either to an external crystal or an external reference clock.
4
VDD
P
Power supply for the entire chip.
5
ModOUT
O
Spread spectrum clock output.
6
VSS
P
Ground connection.
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