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参数资料
| 型号： | AD9520-0BCPZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 70/80页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK GEN 2.8GHZ VCO 64LFCSP |
| 设计资源： | Synchronizing Multiple AD9910 1 GSPS Direct Digital Synthesizers (CN0121) Phase Coherent FSK Modulator (CN0186) |
| 标准包装： | 750 |
| 类型： | 时钟发生器，扇出配送 |
| PLL： | 是 |
| 输入： | CMOS，LVDS，LVPECL |
| 输出： | CMOS，LVPECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:12，2:24 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 2.95GHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 3.135 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 带卷 (TR) |
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AD9520-0
Data Sheet
Rev. A | Page 72 of 80
Table 56. LVPECL Channel Dividers
Reg.
Addr.
(Hex) Bits
Name
Description
0x190 [7:4]
Divider 0 low cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays low.
A value of 0x7 means that the divider is low for eight input clock cycles (default: 0x7).
[3:0]
Divider 0 high cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays high.
A value of 0x7 means that the divider is high for eight input clock cycles (default: 0x7).
0x191 7
Divider 0 bypass
Bypasses and powers down the divider; routes input to divider output.
0: uses divider (default).
1: bypasses divider.
6
Divider 0 ignore SYNC
Ignores SYNC.
0: obeys chip-level SYNC signal (default).
1: ignores chip-level SYNC signal.
5
Divider 0 force high
Forces divider output to a specific state. This requires that ignore SYNC also be set. Note that
this bit has no effect if the channel divider is bypassed, but the driver polarity can still be reversed.
0: divider output is forced to low (default).
1: divider output is forced to the setting stored in Bit 4 of this register.
4
Divider 0 start high
Selects clock output to start high or start low.
0: starts low (default).
1: starts high.
[3:0]
Divider 0 phase offset
Phase offset (default: 0x0).
0x192 [7:3]
Unused
Unused.
2
Channel 0 power-down
Channel 0 powers down.
0: normal operation (default).
1: powered down. (Setting this bit puts OUT0/OUT0, OUT1/OUT1, and OUT2/OUT2 into safe
power-down mode.)
1
Channel 0 direct to output
Connects OUT0, OUT1, and OUT2 to Divider 0 or directly to VCO or CLK.
0: OUT0, OUT1, and OUT2 are connected to Divider 0 (default).
1: If Register 0x1E1[1:0] = 10b, the VCO is routed directly to OUT0, OUT1, and OUT2.
If Register 0x1E1[1:0] = 00b, the CLK is routed directly to OUT0, OUT1, and OUT2.
If Register 0x1E1[1:0] = 01b, there is no effect.
0
Disable Divider 0 DCC
Duty-cycle correction function.
0: enables duty-cycle correction (default).
1: disables duty-cycle correction.
0x193 [7:4]
Divider 1 low cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays low.
A value of 0x3 means that the divider is low for four input clock cycles (default: 0x3).
[3:0]
Divider 1 high cycles
Number of clock cycles (minus 1) of the divider input during which the divider output stays high.
A value of 0x3 means that the divider is high for four input clock cycles (default: 0x3).
0x194 7
Divider 1 bypass
Bypasses and powers down the divider; routes input to divider output.
0: uses divider (default).
1: bypasses divider.
6
Divider 1 ignore SYNC
Ignores SYNC.
0: obeys chip-level SYNC signal (default).
1: ignores chip-level SYNC signal.
5
Divider 1 force high
Forces divider output to a specific state. This requires that ignore SYNC also be set. Note that
this bit has no effect if the channel divider is bypassed, but the driver polarity can still be reversed.
0: divider output is forced to low (default).
1: divider output is forced to the setting stored in Bit 4 of this register.
4
Divider 1 start high
Selects clock output to start high or start low.
0: starts low (default).
1: starts high.
[3:0]
Divider 1 phase offset
Phase offset (default: 0x0).
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9520-1 | 制造商:AD 制造商全称:Analog Devices 功能描述:12 LVPECL/24 CMOS Output Clock Generator with Integrated 2.5 GHz VCO |
| AD9520-1/PCBZ | 功能描述:BOARD EVAL FOR AD9520-1 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PSoC® 主要目的:电源管理，热管理 嵌入式:- 已用 IC / 零件:- 主要属性:- 次要属性:- 已供物品:板，CD，电源 |
| AD9520-1BCPZ | 功能描述:IC CLOCK GEN 2.5GHZ VCO 64LFCSP 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 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| AD9520-1BCPZ-REEL7 | 功能描述:IC CLOCK GEN 2.5GHZ VCO 64LFCSP 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 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| AD9520-2 | 制造商:AD 制造商全称:Analog Devices 功能描述:12 LVPECL/24 CMOS Output Clock Generator with Integrated 2.2 GHz VCO |
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