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參數(shù)資料
| 型號： | MAX9485ETP+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 0K |
| 描述： | IC CLOCK GENERATOR AUD 20-TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)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-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-TQFN-EP（4x4） |
| 包裝： | 帶卷 (TR) |
MAX9485
Programmable Audio Clock Generator
6
_______________________________________________________________________________________
Pin Description
PIN
TSSOP
TQFN
NAME
FUNCTION
119
VDD_P
PLL Power Supply. Bypass VDD_P with a 0.1F and 0.001F capacitor to GND_P.
2
20
GND_P
PLL Ground
3
1
TUN
VCXO Tuning Voltage Input. Apply 0 to 3V at TUN to adjust the VCXO frequency. Connect
TUN to VDD when driving X1 directly with a 27MHz input reference clock.
42
X1
Crystal Connection 1. Connect a fundamental mode crystal between X1 and X2 for use as a
VCXO, or drive X1 directly with a 27MHz input reference clock.
53
X2
Crystal Connection 2. Connect a fundamental mode crystal between X1 and X2 for use as a
VCXO, or leave X2 unconnected when driving X1 with a 27MHz system reference clock.
6, 17
4, 15
VDD
Digital Power Supply. Bypass VDD with a 0.1F and 0.001F capacitor to GND.
75
SCL/FS0
Serial Clock/Function Selection Input 0. When MODE = low, SCL/FS0 functions as the I
2C
serial clock input. When MODE = high, SCL/FS0 functions as a three-level input to select
sampling frequency.
86
SDA/FS1
Serial Data I/O/Function Selection Input 1. When MODE = low, SDA/FS1 functions as the I
2C
serial data input/output. When MODE = high, SDA/FS1 functions as a three-level input to
select output frequency scaling factor.
9
7
FS2
Function Selection Input 2. When MODE = high, FS2 functions as a three-level input to select
sampling rate. When MODE = low, voltage levels at FS2 do not affect device operation.
10, 11, 15
8, 9, 13
GND
Ground
12
10
RST
Reset Input. Drive
RST low resets the I2C register to its default state. RST is internally pulled
to VDD.
13
11
MODE
Mode Control Input. When MODE = low, the I
2C interface is active. When MODE = high, the
hardwired interface is active, and function selection is programmed by SCL/FS0, SDA/FS1,
and FS2. Mode is internally pulled to GND.
14
12
CLK_OUT1
Output Clock Port 1. CLK_OUT1 operates at 256/384/768fs, depending on the function
selection. CLK_OUT1 is pulled low when disabled.
16
14
CLK_OUT2
Output Clock Port 2. CLK_OUT2 operates at 256/384/768fs, depending on the function
selection. CLK_OUT2 is pulled low when disabled.
18
16
MCLK
Master System Clock Buffered Output. MCLK outputs the 27MHz clock generated by the
internal VCXO. MCLK is pulled low when disabled.
19
17
SAO1
I
2C Device Address Selection Input 1 or MCLK Output Enable Control Input.
When MODE = low, SAO1 is a three-level I
2C device address programming input. When
MODE = high, SAO1 controls MCLK enable/disable.
20
18
SAO2
I
2C Device Address Selection Input 2 or CLK_OUT Output Enable Control Input. When MODE
= low, SAO2 is a three-level I
2C device address programming input. When MODE = high,
SAO2 controls CLK_OUT1 and CLK_OUT2 enable/disable.
—
Exposed
Pad
EP
Exposed Pad. Connect EP to ground.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9485EUP | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 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 |
| MAX9485EUP+ | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Programmable Audio 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 |
| MAX9485EUP+T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 Programmable Audio 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 |
| MAX9485EUP-T | 功能描述:時鐘發(fā)生器及支持產(chǎn)品 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 |
| MAX9485EVKIT | 制造商:Maxim Integrated Products 功能描述:PROGRAMMABLE AUDIO CLOCK GENERATOR - Bulk |
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