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ABX0238QC PDF预览

ABX0238QC

更新时间: 2024-02-09 04:57:08
品牌 Logo 应用领域
ABRACON 振荡器石英晶振机械
页数 文件大小 规格书
8页 285K
描述
750kHz - 800MHz Low Phase Noise Multiplier XO

ABX0238QC 技术参数

生命周期:ActiveReach Compliance Code:compliant
风险等级:5.71其他特性:TAPE AND REEL
最长下降时间:1.5 ns频率调整-机械:NO
安装特点:SURFACE MOUNT最大工作频率:800 MHz
最小工作频率:0.75 MHz最高工作温度:85 °C
最低工作温度:-20 °C振荡器类型:PECL
输出负载:50 OHM物理尺寸:3.0mm x 3.0mm x 0.75mm
最长上升时间:1.5 ns最大供电电压:3.63 V
最小供电电压:2.97 V表面贴装:YES
最大对称度:55/45 %Base Number Matches:1

ABX0238QC 数据手册

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ABX0235/37/38/39  
750kHz – 800MHz Low Phase Noise Multiplier XO  
Universal Low Phase Noise IC’s  
FEATURES  
PIN CONFIGURATION  
(Top View)  
Selectable 750kHz to 800MHz range.  
Low phase noise output (@ 10kHz frequency  
offset, -140dBc/Hz for 19.44MHz, -127dBc/Hz for  
106.25MHz, -125dBc/Hz for 155.52MHz, -  
110dBc/Hz for 622.08MHz).  
VDD  
XIN  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
SEL0^  
SEL1^  
GND  
XOUT  
SEL3^  
SEL2^  
OE  
CMOS (ABX0237), PECL (ABX0235 and  
ABX0238) or LVDS (ABX0239) output.  
12 to 25MHz crystal input.  
No external load capacitor required.  
Output Enable selector.  
Selectable 1/16 to 32x frequency multiplier.  
3.3V operation.  
Available in 16-Pin (TSSOP or 3x3mm QFN).  
CLKC  
VDD  
CLKT  
GND  
GND  
GND  
GND  
DESCRIPTION  
The ABX0235 (PECL with inverted OE), ABX0237  
(CMOS), ABX0238 (PECL), and ABX0239 (LVDS)  
are high performance and low phase noise XO IC  
chips. They provide phase noise performance as low  
as –125dBc at 1kHz offset (at 155MHz) and a typical  
RMS jitter of 4pS RMS ( at 155MHz ). They accept  
fundamental parallel resonant mode crystals from 12  
to 25MHz.  
12  
11  
10  
9
13  
8
XOUT  
GND  
CLKC  
VDD  
14  
15  
7
6
5
SEL3^  
SEL2^  
ABX023x  
16  
CLKT  
OE  
1
2
3
4
BLOCK DIAGRAM  
^: Internal pull-up  
*: On 3x3 package, ABX0235/38 do not have SEL0 available: Pin 10  
is VDD, pin 11 is GND. However, ABX0237/39 have SEL0 (pin  
10), and pin 11 is VDD. See pin assignment table for details.  
SEL  
OE  
OUTPUT ENABLE LOGICAL LEVELS  
PLL  
Q
(Phase  
Part #  
OE  
State  
Locked  
Q
Oscillator  
Amplifier  
0 (Default) Output enabled  
Loop)  
ABX0238  
XIN  
1
0
Tri-state  
Tri-state  
ABX0235  
ABX0237  
ABX0239  
XOUT  
PLL by-pass  
1 (Default) Output enabled  
OE input: Logical states defined by PECL levels for ABX0238  
Logical states defined by CMOS levels for  
ABX0235/37/39  
30332 Esperanza., Rancho Santa Margarita, Ca 92688 Ph: 949-546-8000 Fax: 949-546-8001 www.Abracon.com 03/21/05 Page 1  

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