参数资料
型号: AD9540BCPZ-REEL7
厂商: Analog Devices Inc
文件页数: 3/32页
文件大小: 0K
描述: IC CLOCK GEN/SYNTHESIZER 48LFCSP
标准包装: 750
类型: 时钟发生器
PLL:
输入: 时钟
输出: CML,PECL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 655MHz
除法器/乘法器: 是/无
电源电压: 1.71 V ~ 1.89 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 带卷 (TR)
AD9540
Rev. A | Page 11 of 32
Pin No.
Mnemonic
Description
21, 22, 23
S0, S1, S2
Clock Frequency and Delay Select Pins. These pins specify one of eight clock frequency/delay
profiles.
28
CLK1
RF Divider and Internal Clock Complementary Input.
29
CLK1
RF Divider and Internal Clock Input.
31, 35
CP_VDD
Charge Pump and CML Driver Supply Pin. 3.3 V analog (clean) supply.
32
OUT0
CML Driver Complementary Output.
33
OUT0
CML Driver Output.
36
CP_OUT
Charge Pump Output.
39
REFIN
Phase Frequency Detector Reference Input.
40
REFIN
Phase Frequency Detector Reference Complementary Input.
41
CLK2
Phase Frequency Detector Oscillator (Feedback) Complementary Input.
42
CLK2
Phase Frequency Detector Oscillator (Feedback) Input.
45
CP_RSET
Charge Pump Current Set. Program charge pump current with a resistor to AGND.
46
DRV_RSET
CML Driver Output Current Set. Program CML output current with a resistor to AGND.
47
DAC_RSET
DAC Output Current Set. Program DAC output current with a resistor to AGND.
Paddle
Exposed Paddle
The exposed paddle on this package is an electrical connection as well as a thermal enhancement.
In order for the device to function properly, the paddle must be attached to analog ground.
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