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參數(shù)資料
| 型號(hào)： | MAX2741ETI |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | Integrated L1-Band GPS Receiver |
| 中文描述： | SWITCHED CAPACITOR FILTER, BESSEL, BANDPASS, QCC28 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD, TQFN-28 |
| 文件頁數(shù)： | 8/12頁 |
| 文件大?。?/td> | 239K |
| 代理商： | MAX2741ETI |
M
Integrated L1-Band GPS Receiver
8
_______________________________________________________________________________________
Detailed Register Definitions
Table 4. Detailed Register Definition for Write Address 0100: SYNTH
DATA BIT
D15
D14
D13–D10
D9
D8
D7–D0
DEFAULT
1
1
0100
1
0
01100000
DESCRIPTION
Reserved
LPF Autotune Initiate: I = Initiate autotune, 0 = Manual tuning.
LPF Tuning Word: 0000 ~ 7.7MHz, 1111 ~ 2.9MHz.
XTAL Clock Select: 1 = External reference, 0 = Synthesized 16.8MHz.
Standby: 0 = Normal operating mode, 1 = Standby (oscillator remains active), but only if D9 = 1.
Reference Division Ratio. Default 19.2MHz external reference (R = 96dec). R = f
REF
/ 200kHz.
Table 5. Detailed Register Definition for Write Address 0101: CONFIG 1
DATA BIT
DEFAULT
DESCRIPTION
D15
1
ADC Mode. Select 1 for 1-bit magnitude and sign, select 0 for 2-bit magnitude and sign.
1: GPSIF2 = sign, GPSIF1 = magnitude, GPSIF0 = X
0: GPSIF2 = MSB magnitude, GPSIF1 = LSB magnitude, GPSIF0 = sign
D14–D11
D10
D9 to D8
D7 to D5
0000
0
00
001
ADC Offset Control (approx 4mV/step): D14 = LSB, D12 = MSB, D11 = sign.
Double Charge-Pump Current: 0 = 100μA, 1 = 200μA.
Digital Test Bus Mode Select. See Table 9 for test-mode descriptions.
VCO Coarse Tuning Range. 000 = Lowest frequency, 111 = Highest frequency.
D4–D0
11111
AGC Gain. Digital control of the AGC amplifier in the 2nd IF section. 00000 => min gain, 11111 =>
max gain (linear gain ~2.5dB per unit SPI word).
Table 6. Detailed Register Definition for Write Address 0110: CONFIG 2
DATA BIT
D15
DEFAULT
1
DESCRIPTION
Reset CMOS: 0 = Hold CMOS dividers in reset and PFD is tri-stated, 1 = Inactive.
D14
1
Drive VCO Low: 0 = Active, forces VCO to lowest frequency.
N.B. do not activate both D14 and D13 at the same time.
D13
1
Drive VCO High: <forces LCP low FET on, driving V
TUNE
low, forcing VCO to highest extreme> 0 =
Active, forces VCO to highest frequency. N.B. do not activate both D14 and D13 at the same time.
D12–D7
D6 to D5
D4–D0
100000
11
11111
Reserved
Must be programmed to 11
Analog Test Mode Select: Reserved
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2741ETI+ | 功能描述:射頻接收器 Integrated L1-Band GPS Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2741ETI+T | 功能描述:射頻接收器 Integrated L1-Band GPS Receiver RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2741ETI-T | 功能描述:射頻接收器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:GPS Receiver 封裝 / 箱體:QFN-24 工作頻率:4.092 MHz 工作電源電壓:3.3 V 封裝:Reel |
| MAX2741EVKIT | 功能描述:GPS開發(fā)工具 MAX2741 Eval Kit RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Evaluation Boards 工具用于評(píng)估:IT600, STM32F20x 頻率:1.575 GHz 工作電源電壓:1.8 V 接口類型:Wireless |
| MAX2741USBDONGLE | 制造商:Maxim Integrated Products 功能描述: |
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