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參數(shù)資料
| 型號： | MAX9485EUP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK GEN PROG 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 類型： | 時鐘發(fā)生器 |
| PLL： | 是 |
| 輸入： | LVCMOS，LVTTL，晶體 |
| 輸出： | LVCMOS，LVTTL |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:3 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 73.728MHz |
| 除法器/乘法器： | 是/無 |
| 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-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
General Description
The MAX9485 programmable multiple-output clock
generator provides a cost-efficient solution for MPEG-2
audio systems such as DVD players, DVD drives for
multimedia PCs, digital HDTV systems, home entertain-
ment centers, and set-top boxes.
The MAX9485 accepts an input reference frequency of
27MHz from a crystal or system reference clock. The
device provides two buffered clock outputs of 256, 384,
or 768 times the chosen sampling frequency (fS) select-
ed through an I2C interface or hardwired inputs.
Sampling frequencies of 12kHz, 32kHz, 44.1kHz,
48kHz, 64kHz, 88.2kHz, or 96kHz are available. The
MAX9485 also offers a buffered 27MHz output and an
integrated voltage-controlled oscillator (VCXO) that is
tuned by a DC voltage generated from the MPEG
processor. The use of VCXO allows the audio system
clock to lock with the overall system clock.
The MAX9485 features the lowest jitter in its class, guar-
anteeing excellent dynamic performance with audio
ADCs and DACs in an MPEG-2 audio system. The
device operates with a 3.3V supply and is specified over
the -40°C to +85°C extended temperature range. The
MAX9485 is offered in 6.5mm x 4.4mm 20-pin TSSOP
and 4mm x 4mm 20-pin thin QFN packages.
Applications
Digital TVs
DVD Players
Set-Top Boxes
HDTVs
Home Entertainment
Centers
Features
27MHz Crystal with ±30ppm Frequency Reference
Two Buffered Output Ports with Multiple Audio
Clocks: 256, 384, or 768 Times fS
Supports Standard and Double Sampling Rates
(12kHz, 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2 kHz,
and 96kHz)
I2C Interface or Hardwired Output Clock Selection
Separate Output Clock Enable
Low Jitter Typical 21ps (RMS at 73.728MHz)
No External Components for PLL
Integrated VCXO with ±200ppm Tuning Range
Small Footprint, Thin QFN Package, 4mm x 4mm
MAX9485
Programmable Audio Clock Generator
________________________________________________________________ Maxim Integrated Products
1
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
SAO2
SAO1
MCLK
VDD
X1
TUN
GND_P
VDD_P
TOP VIEW
CLK_OUT2
GND
CLK_OUT1
MODE
SDA/FS1
SCL/FS0
VDD
X2
12
11
9
10
RST
GND
FS2
MAX9485
TSSOP
MAX9485
EXPOSED PAD
(GROUND)
20
19
18
17
12
13
14
15
CLK_OUT1
GND
CLK_OUT2
VDD
4
3
2
1
VDD
X2
X1
TUN
11
MODE
5
SCL/FS0
GND_P
V
DD_P
SAO2
SAO1
SDA/FS1
FS2
GND
16
6
7
8
9
10
MCLK
RST
THIN QFN
Pin Configurations
Ordering Information
19-3315; Rev 0; 7/04
*EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
PART
TEMP RANGE
PIN-PACKAGE
MAX9485ETP
-40
°C to +85°C
20 Thin QFN-EP*
MAX9485EUP
-40
°C to +85°C
20 TSSOP
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9485EVKIT | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE AUDIO CLOCK GENERATOR - Bulk |
| MAX9486EUG | 功能描述:時鐘發(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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9486EUG-T | 功能描述:時鐘發(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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX9486EVKIT | 制造商:Maxim Integrated Products 功能描述:8KHZ REFERENCE CLOCK SYNTHESIZER WI - Bulk |
| MAX9489ETJ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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