- 您现在的位置：买卖IC网 > PDF目录18711 > MAX7044EVKIT-315 (Maxim Integrated)EVAL KIT MAX7044 PDF资料下载
参数资料
| 型号： | MAX7044EVKIT-315 |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT MAX7044 |
| 标准包装： | 1 |
| 系列： | * |
300MHz to 450MHz High-Efficiency,
Crystal-Based +13dBm ASK Transmitter
Typical Operating Characteristics (continued)
(Typical Application Circuit, V DD = +2.7V, T A = +25°C, unless otherwise noted.) (Note 1)
CLKOUT SPUR MAGNITUDE
vs. SUPPLY VOLTAGE
-40
-43
-46
-49
-52
-55
f RF = 315MHz
2.1
2.4
2.7
3.0
3.3
3.6
SUPPLY VOLTAGE (V)
Pin Description
PIN
1
2
3
4
5
6
7
8
NAME
XTAL1
GND
PAGND
PAOUT
CLKOUT
DATA
V DD
XTAL2
FUNCTION
1st Crystal Input. f XTAL = f RF /32.
Ground. Connect to system ground.
Ground for the Power Amplifier (PA). Connect to system ground.
Power-Amplifier Output. The PA output requires a pullup inductor to the supply voltage, which can be
part of the output-matching network to an antenna.
Buffered Clock Output. The frequency of CLKOUT is f XTAL /16.
OOK Data Input. DATA also controls the power-up state (see the Shutdown Mode section).
Supply Voltage. Bypass to GND with a 100nF capacitor as close to the pin as possible.
2nd Crystal Input. f XTAL = f RF /32.
Functional Diagram
Detailed Description
The MAX7044 is a highly integrated ASK transmitter
operating over the 300MHz to 450MHz frequency
DATA
DATA
MAX7044
V DD
GND
band. The IC requires only a few external components
to complete a transmit solution. The MAX7044 includes
a complete PLL and a highly efficient power amplifier.
ACTIVITY
DETECTOR
LOCK DETECT
32x PLL
PA
PAOUT
PAGND
The device is automatically placed into a low-power
shutdown mode and powers up when data is detected
on the data input.
Shutdown Mode
The MAX7044 has an automatic shutdown mode that
XTAL1
XTAL2
CRYSTAL-
OSCILLATOR
DRIVER
/16
CLKOUT
places the device in low-power mode if the DATA input
has not toggled for a specific amount of time (wait time).
The wait time is equal to 2 16 clock cycles of the crystal.
This equates to a wait time of approximately 6.66ms for
a 315MHz RF frequency and 4.84ms for a 433MHz RF
6
_______________________________________________________________________________________
相关PDF资料 |
PDF描述 |
|---|---|
| 0622022040 | TOOL INSERTION 50POS 5ROWS |
| MAX2686LEVKIT# | EVAL KIT |
| MAX2674EVKIT+ | EVAL KIT MAX2674 |
| MAX2692EVKIT# | EVAL KIT MAX2692 |
| MAX2687EVKIT+ | EVAL KIT MAX2687 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7044EVKIT-433 | 功能描述:射频开发工具 MAX7044 Eval Kit RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| MAX7048ATL+ | 制造商:Maxim Integrated Products 功能描述:288-945 MHZ TRANSCEIVER - Rail/Tube |
| MAX7048ATL+T | 制造商:Maxim Integrated Products 功能描述:288-945 MHZ TRANSCEIVER - Tape and Reel |
| MAX7048EVKIT+ | 制造商:Maxim Integrated Products 功能描述:288-945 MHZ TRANSCEIVER EV KIT - Boxed Product (Development Kits) |
| MAX7049 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:高性能、288MHz至945MHz ASK/FSK ISM发送器 |
发布紧急采购，3分钟左右您将得到回复。