参数资料
型号: MAX2830ETM+
厂商: Maxim Integrated
文件页数: 30/33页
文件大小: 0K
描述: IC TXRX RF W/PA AND SW 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 43
频率: 2.4GHz ~ 2.5GHz
数据传输率 - 最大: 54Mbps
调制或协议: 802.11b/g
应用: ISM
灵敏度: -75dBm
电源电压: 2.7 V ~ 3.6 V
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
MAX2830
2.4GHz to 2.5GHz 802.11g/b RF Transceiver, PA,
and Rx/Tx/Antenna Diversity Switch
Table 30. Register 14 (A3:A0 = 1110)
BIT
D13:D11
D10
D9
D8:D7
D6:D0
RECOMMENDED
000
0
1
10
XXXXXXX
DESCRIPTION
Set to recommended value.
Reference Clock Output Divider Ratio. Set 1 to divide by 2 or set 0 to divide by 1.
Reference Clock Output Enable. Set 1 to enable the reference clock output or set 0 to disable.
Set to recommended value.
Crystal-Oscillator Fine Tune. Tunes crystal oscillator over ±20ppm to within ±1ppm.
X = Don’t care.
Table 31. Register 15 (A3:A0 = 1111)
BIT
D13:D12
D11:D10
D9:D0
RECOMMENDED
00
00
0101000101
DESCRIPTION
Set to recommended value.
Receiver I/Q Output Common-Mode Voltage Adjustment. Set D11:D10 = 00: 1.1V,
01: 1.2V, 10: 1.3V, 11: 1.45V.
Set to recommended value.
Table 32. Operating Mode Table
LOGIC PINS
REGISTER
SETTINGS
CIRCUIT BLOCK STATES
MODE
Shutdown
Standby
Rx
Tx
Rx Calibration
Tx Calibration
SHDN
0
0
1
1
1
1
RXTX
0
1
0
1
0
1
D1:D0
(A3:A0 = 0110)
00
00
X0
0X
X1
1X
Rx PATH
Off
Off
On
Off
On
(except LNA)
Off
Tx PATH
Off
Off
Off
On
Upconverters
On (except PA
driver and PA)
PLL, VCO,
LO GEN,
AUTOTUNER
Off
On
On
On
On
On
CALIBRATION
SECTIONS ON
None
None
None
None
Cal tone, RF phase
shift, Tx filter
AM detector,
Rx I/Q buffers
X = Don’t care.
Note: See Table 1 for Rx/Tx and antenna diversity operating mode.
Modes of Operation
The modes of operation for the MAX2830 are shutdown,
standby, transmit, receive, transmitter calibration, and
receiver calibration. See Table 32 for a summary of the
modes of operation. The logic-input pins, SHDN (pin 12)
and RXTX (pin 48), control the various modes.
Shutdown Mode
The MAX2830 features a low-power shutdown mode
that disables all circuit blocks, except the serial-inter-
face and internal registers, allowing the registers to be
30
loaded and values maintained, as long as V CC is
applied. Set SHDN and RXTX logic-low to place the
device in shutdown mode. After a supply voltage ramp
up, supply current in shutdown mode could be high.
Program the default value to SPI register 0 to eliminate
high shutdown current.
Standby Mode
The standby mode is used to enable the frequency syn-
thesizer block while the rest of the device is powered
down. In this mode, the PLL, VCO, and LO generators
Maxim Integrated
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MAX2830ETM+ 功能描述:射频收发器 2.4-2.5GHz 802.11g/b 射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830ETM+T 功能描述:射频收发器 2.4-2.5GHz 802.11g/b 射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830EVKIT+ 功能描述:WiFi/802.11开发工具 MAX2830 Eval Kit RoHS:否 制造商:Roving Networks 产品:Evaluation Boards 工具用于评估:RN-171 支持协议:802.11 b/g 频率:2.4 GHz 接口类型:UART 工作电源电压:2 V to 16 V
MAX2830SEWU 功能描述:射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray
MAX2830SEWU+ 功能描述:射频收发器 RoHS:否 制造商:Atmel 频率范围:2322 MHz to 2527 MHz 最大数据速率:2000 Kbps 调制格式:OQPSK 输出功率:4 dBm 类型: 工作电源电压:1.8 V to 3.6 V 最大工作温度:+ 85 C 接口类型:SPI 封装 / 箱体:QFN-32 封装:Tray