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參數(shù)資料
| 型號(hào)： | MAX9471ETP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 0K |
| 描述： | IC MULTI-PURPOSE CLK GEN 20-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 60 |
| 類型： | 時(shí)鐘發(fā)生器 |
| PLL： | 是 |
| 輸入： | LVCMOS，晶體 |
| 輸出： | LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 2:4 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 頻率 - 最大： | 200MHz |
| 除法器/乘法器： | 無(wú)/無(wú) |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-TQFN-EP（5x5） |
| 包裝： | 托盤 |
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General Description
The MAX9471/MAX9472 multipurpose clock generators
are ideal for consumer and communication applica-
tions. The MAX9471/MAX9472 feature two buffered
phase-locked loop (PLL) outputs that can be indepen-
dently set from 4MHz to 200MHz. These devices also
provide one (MAX9472) or two (MAX9471) buffered
outputs of the reference clock.
The MAX9471 outputs a set of MPEG/AC3 audio and
video frequencies most commonly used in consumer
applications. The MAX9472 outputs a set of common
audio frequencies. These frequencies are selected
through an I2C interface (MAX9471) or by setting the
three-level FS pins. The MAX9471/MAX9472 feature a
one-time-programmable (OTP) ROM, allowing one-time
programming of the two PLL outputs.
The MAX9471/MAX9472 include two basic configura-
tions. In one configuration, the OTP ROM sets PLL1 out-
put to any frequency between 4MHz to 200MHz, and
the I2C interface (MAX9471) or programmable pins set
the PLL2 output frequency to a set of audio and video
frequencies. In the other configuration, the OTP ROM
sets both PLL1 and PLL2 frequencies to fixed values
between 4MHz to 200MHz. In both cases, the reference
output is available, but the OTP ROM can disable it.
The OTP ROM on the MAX9471/MAX9472 is factory set
based on the customer requirements. Contact the factory
for samples with preferred frequencies.
The devices operate from a 3.3V supply and are specified
over the -40
°C to +85°C extended temperature range.
The MAX9471 is available in a 20-pin TQFN package. The
MAX9472 is available in a 14-pin TSSOP package.
Applications
Digital TVs
Communication Systems
Data Networking Systems
Set-Top Boxes
Home Entertainment Centers
Multimedia PCs
Features
5MHz to 50MHz Input Clock Reference
Crystal or Input-Clock-Based Reference
Two Fractional-N Feedback PLLs (4MHz to
200MHz) with Buffered Outputs
Two Buffered Outputs of Reference Clock
OTP for Factory-Preset PLL Frequencies
Available (Contact Factory)
Programmable Through I2C Interface or Three-
Level Logic Pins for Video or Audio Clocks
Low-RMS Jitter PLL (14ps for 45MHz)
Integrated VCXO with ±200ppm Tuning Range
Available in 20-Pin TQFN and 14-Pin TSSOP
Packages
+3.3V Supply
-40°C to +85°C Temperature Range
MAX9471/MAX9472
Multiple-Output Clock Generators with
Dual PLLs and OTP
________________________________________________________________ Maxim Integrated Products
1
15
14
13
12
PD
FS2
V
DD
V
DD
11
GND
8
7
6
9
10
CLK3
CLK4
I.C.
GND
CLK2
19
18
17
16
FSO/SCL
X1
X2
VDD
20
+
FS1/SDA
1
2
3
4
TUNE
V
DDA
AGND
GND
5
CLK1
MAX9471
TOP VIEW
TQFN (5mm x 5mm)
Pin Configurations
19-0524; Rev 1; 8/06
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
MAX9471ETP+**
-40°C to +85°C
20 TQFN-EP*
T2055-5
MAX9472EUD+**
-40°C to +85°C
14 TSSOP
U14-2
Ordering Information
*EP = Exposed pad.
**Marking is for samples only. Contact factory for ordering information.
+Denotes lead-free package.
Pin Configurations continued at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9471ETP+ | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 Multiple Output Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9471ETP+T | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 Multiple Output Clock Generator RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9471ETP-T | 制造商:Maxim Integrated Products 功能描述:MULTIPLE OUTPUT CLOCK GENERATOR WIT - Tape and Reel |
| MAX9476EUG | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 35.328MHz Clock Synthesizer RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9476EUG-T | 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 35.328MHz Clock Synthesizer RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56 |
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