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参数资料
| 型号： | MAX9491ETP080+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC FACT-PROG PLL CLK GEN 20-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | PLL 时钟发生器 |
| PLL： | 是 |
| 输入： | LVCMOS，晶体 |
| 输出： | LVCMOS |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:1 |
| 差分 - 输入:输出： | 无/无 |
| 频率 - 最大： | 200MHz |
| 除法器/乘法器： | 无/无 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WQFN 裸露焊盘 |
| 供应商设备封装： | 20-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
General Description
The MAX9491 multipurpose clock generator is ideal for
communication applications. It offers a factory-program-
mable PLL output that can be set to almost any frequency,
ranging from 4MHz to 200MHz. The MAX9491 uses a
one-time-programmable (OTP) ROM to program the PLL
output. The MAX9491 also features an integrated volt-
age-controlled crystal oscillator (VCXO) that is tuned by a
DC voltage. The VCXO output is used as the PLL input.
The VCXO has a wide ±200ppm (typ) tuning range. The
OTP on the MAX9491 is factory preset, based upon the
customer request. Contact the factory for samples with
preferred frequencies.
The device operates from a 3.3V supply and is speci-
fied over the -40
°C to +85°C extended temperature
range. The MAX9491 is available in 14-pin TSSOP and
20-pin TQFN (5mm x 5mm) packages.
Applications
Telecommunications
Data Networking Systems
Home Entertainment Centers
SOHO
Features
5MHz to 35MHz for Crystal-Clock Reference
5MHz to 50MHz for a Driver Clock Reference
One Fractional-N PLL with Buffered Output
4MHz to 200MHz Output Frequency Range
Low RMS Jitter PLL (< 13ps) at 197 MHz
Integrated VCXO with ±200ppm Tuning Range
Available in 14-Pin TSSOP and 20-Pin TQFN
Packages
+3.3V Supply
-40°C to +85°C Temperature Range
MAX9491
Factory-Programmable, Single PLL
Clock Generator
________________________________________________________________ Maxim Integrated Products
1
15
14
13
12
PD
I.C.
V
DD
V
DD
11
GND
8
7
6
9
10
I.C.
GND
I.C.
19
18
17
16
I.C.
X1
X2
VDD
20
I.C.
12
3
4
TUNE
V
DDA
AGND
GND
5
CLK_OUT
MAX9491
TOP VIEW
TQFN (5mm x 5mm)
Pin Configurations
19-3942; Rev 0; 1/06
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX9491ETP
-40°C to +85°C
20 TQFN-EP**
T2055-5
MAX9491EUD*
-40°C to +85°C
14 TSSOP
U14-2
Ordering Information
*Future product—contact factory for availability.
**EP = Exposed pad.
14
13
12
11
10
9
8
1
2
3
4
5
6
7
X2
VDD
GND
VDD
I.C.
X1
TOP VIEW
I.C.
GND
I.C.
CLK_OUT
GND
TUNE
MAX9491
TSSOP
PD
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9491ETP095 | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9491ETP095+ | 功能描述:时钟发生器及支持产品 Factory-Prog Single PLL Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9491ETP095+T | 功能描述:时钟发生器及支持产品 Factory-Prog Single PLL Clock Generator RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9491ETP095-T | 功能描述:时钟发生器及支持产品 RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX9491EUD | 制造商:Maxim Integrated Products 功能描述:FACTORY-PROGRAMMABLE SINGLE PLL CLO - Rail/Tube |
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