参数资料
型号: MAX9471ETP+T
厂商: Maxim Integrated Products
文件页数: 10/13页
文件大小: 0K
描述: IC MULTI-PURPOSE 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: 时钟发生器
PLL:
输入: LVCMOS,晶体
输出: LVCMOS
电路数: 1
比率 - 输入:输出: 2:4
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)
MAX9471/MAX9472
Multiple-Output Clock Generators with
Dual PLLs and OTP
6
_______________________________________________________________________________________
Pin Description
Typical Operating Circuit/Block Diagram
+3.3V
VDD
VDDA*
VDD
VDD*
0.1
F x 3
0.1
F
MAX9471
MAX9472
+3.3V
GND
AGND*
*MAX9471 ONLY.
FS2*
SERIAL
INTERFACE
TUNE
27MHz
C1
C2
CLK1
PLL1
VCXO
FS1/SDA
FS0/SCL
X1
X2
OTP
CLK2
PLL2
CLK3
CLK4*
PIN
MAX9471
MAX9472
NAME
FUNCTION
15
TUNE
VCXO Tune Voltage Input. If using a reference clock input, connect TUNE to VDD.
2—
VDDA
Analog Power Supply. Bypass to GND with a 0.1F capacitor.
3—
AGND
Analog Ground
4, 10, 11
6, 10, 11
GND
Ground
57
CLK1
Output Clock 1. PLL1 buffered output.
68
CLK2
Output Clock 2. PLL2 buffered output.
79
CLK3
Output Clock 3. VCXO buffered output.
8—
CLK4
Output Clock 4. VCXO buffered output.
9—
I.C.
Internally Connected. Leave unconnected.
12, 13, 16
4, 12
VDD
Power Supply. Bypass to GND with a 0.1F capacitor.
14
FS2
Function Select 2
15
13
PD
Active-Low, Power-Down Input. Pull high for normal operation, drive
PD low to place
MAX9471/MAX9472 in power-down mode.
17
14
X2
Crystal Connection 2. Leave open if using a reference clock.
18
1
X1
Crystal Connection 1 or Reference Clock Input
19
FS0/SCL
Function Select 0/Serial Clock. Set FS2 high to place the device in I2C mode (see Table 1).
20
FS1/SDA
Function Select 1/Serial Data. Set FS2 high to place the device in I2C mode (see Table 1).
—2
FS1
Function Select 1
—3
FS0
Function Select 0
EP
EP
Exposed Pad (MAX9471 only). Connect EP to GND.
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