参数资料
型号: MAX2820ETM+
厂商: Maxim Integrated
文件页数: 18/26页
文件大小: 0K
描述: IC TXRX 802.11B 2.4GHZ 48-TQFN
标准包装: 43
频率: 2.4GHz ~ 2.5GHz
数据传输率 - 最大: 11Mbps
调制或协议: 802.11 b
应用: ISM
功率 - 输出: 3dBm
灵敏度: -97dBm
电源电压: 2.5 V ~ 5.5 V
电流 - 接收: 80mA
电流 - 传输: 70mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 48-WFQFN 裸露焊盘
包装: 托盘
2.4GHz 802.11b Zero-IF Transceivers
Table 5. Synthesizer Register (SYNTH)
ADDRESS
DATA BIT
D11:D7
CONTENT
X
DEFAULT
00000
Reserved
DESCRIPTION
ICP
Charge-Pump Current Select
0010
D6
(MAX2820/
MAX2821)
X (MAX2820A/
MAX2821A)
1
1
? 0 = ± 1mA charge-pump current
? 1 = ± 2mA charge-pump current
Reserved
Reference Frequency Divider
D5:D0
R(5:0)
000000
? 000000 = 22MHz
? 000001 = 44MHz
Table 6. Channel Frequency Block Register (CHANNEL)
ADDRESS
DATA BIT
D11:D7
CONTENT
X
DEFAULT
00000
Reserved
DESCRIPTION
Channel Frequency Select: f LO = (2400 + CF(6:0))MHz
? 0000000 = 2400MHz
0011
D6:D0
CF(6:0)
0100101
? 0000001 = 2401MHz
? …………
? 1100010 = 2498MHz
? 1100011 = 2499MHz
Table 7a. Receive Settings Register (RECEIVE), (MAX2820/MAX2821 Only)
ADDRESS
DATA BIT
D11:D9
D8:D6
CONTENT
2C(2:0)
1C(2:0)
DEFAULT
111
111
DESCRIPTION
VGA DC Offset Nulling Parameter 2
VGA DC Offset Nulling Parameter 1
RX Level Detector Midpoint Select
D5:D4
DL(1:0)
01
? 11 = 01 = 50.2mV P
? 10 = 70.9mV P
? 00 = 35.5mV P
Special Function Select (not presently used)
0100
D3
SF(0)
0
? 0 = OFF
? 1 = ON
Receive Filter -3dB Frequency Select (frequencies are
approximate)
?
000 = 8.5MHz
D2:D0
BW(2:0)
010
?
?
001 = 8.0MHz
010 = 7.5MHz
?
?
?
011 = 7.0MHz
100 = 6.5MHz
101 = 6.0MHz
18
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MAX2820ETM+ 功能描述:射频接收器 2.4GHz 802.11b Zero-If Transceiver 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
MAX2820ETM+D 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
MAX2820ETM+T 功能描述:射频接收器 2.4GHz 802.11b Zero-If Transceiver 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
MAX2820ETM+TD 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
MAX2820ETM-D 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