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参数资料
| 型号： | MAX2742ECM |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | Single-Chip Global Positioning System Receiver Front-End |
| 中文描述： | SWITCHED CAPACITOR FILTER, BANDPASS, QCC48 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFN-48 |
| 文件页数： | 5/8页 |
| 文件大小： | 573K |
| 代理商： | MAX2742ECM |
M
Single-Chip Global Positioning System
Receiver Front-End
_______________________________________________________________________________________
5
Pin Description
PIN
NAME
FUNCTION
1
RBIAS
External Bias Resistor. Connect a 100k
±
1% resistor in parallel with a 0.1μF capacitor in
series with a 71k
resistor to GND.
External Bias Capacitor. Connect a 0.1μF capacitor to GND.
2
CBIAS
3, 4, 12, 17, 23,
25, 32, 39, 44, 46
V
DD
Supply Voltage. Bypass to GND with a capacitor as close to the pin as possible.
5, 6, 8, 9, 13, 24,
30, 38, 42, 45
GND
Ground. Connect to PC board ground plane.
7
RFIN
LNA Input. Requires external matching network.
10
IFSEL
IF Output Select. Selects output type. Drive high for single-ended output, drive low for
differential output.
11, 21, 22,
27, 33–36, 40
I.C.
Internally Connected. Leave unconnected.
14
15
16
18
DCLK
CLKENB2
CLKENB1
AGCFLT
OUT-, OUT+
CLKOUT1
DOUT
CLKOUT2
DIN
Digital Control Clock
Clock Output Enable 2. Drive high to enable limited-swing clock output.
Clock Output Enable 1. Drive high to enable full-swing clock output.
AGC External Filter
Differential Comparator Outputs
Full-Swing Clock Output
Digital Output
Limited-Swing Clock Output
Digital-Control Data Input
19, 20
26
28
29
31
37
SHDN
Shutdown. Drive SHDN high to disable all device functions. Drive SHDN low for normal
operation.
41
43
VTUNE
CPOUT
VCO Tuning Input
Charge-Pump Output. Connect directly to loop filter.
47, 48
XTALIN1,
XTALIN2
Connect XTALIN1 and XTALIN2 together and to the TCXO output through a coupling
capacitor.
EP
GND
Exposed Paddle. Connect to PC board ground plane for optimal performance.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX2742ECM+ | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2742ECM+C0V | 功能描述:射频接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2742ECM+D | 功能描述:射频接收器 GPS Front End Downconverter RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MAX2742ECM+T | 制造商:Maxim Integrated Products 功能描述:RCVR 48TQFP EP - Tape and Reel |
| MAX2742ECM+TD | 功能描述:射频接收器 GPS Front End Downconverter RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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