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参数资料
| 型号： | MAX2370ETM+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 14/19页 |
| 文件大小： | 0K |
| 描述： | IC TRANSMITTER QUAD 48TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 43 |
| 频率： | 450MHz |
| 调制或协议： | CDMA2000 |
| 功率 - 输出： | 10dBm |
| 电流 - 传输： | 134mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 2.7V ~ 3.3V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 48-WFQFN 裸露焊盘 |
| 包装： | 管件 |
Complete 450MHz Quadrature Transmitter
Table 3. Configuration Register (CONFIG, Address: 0101 b )
BIT NAME
BIT
LOCATION
(0 = LSB)
TYPICAL
SETTINGS
FUNCTION
IF PLL shutdown control.
IF_PLL_SHDN
15
1
0 = Shuts down IF PLL. This mode is used with an external IF PLL.
1 = Normal operation.
RF PLL shutdown control.
RF_PLL_SHDN
14
1
0 = Shuts down RF PLL. This mode is used with an external RF PLL.
1 = Normal operation.
RESERVED
13
0
Reserved. Set to 0 for normal operation.
Selects the nominal I/Q input levels.
IQ_LEVEL
12
1
0 = Selects 300mV P-P input mode.
1 = Selects 600mV P-P input mode.
RESERVED
11, 10
00
Reserved. Set to 00 for normal operation.
Sets the IF charge-pump current.
00 = 139μA.
ICP
9, 8
00
01 = 192μA.
10 = 278μA.
11 = 390μA.
Sets the RF charge-pump current.
00 = 325μA.
RCP
7, 6
00
01 = 650μA.
10 = 738μA.
11 = 1063μA.
RESERVED
5, 4
11
Reserved. Set to 11 for normal operation.
IF turbo-charge control.
IF_TURBO_CHARGE
3
1
0 = Disables extra charge-pump current during acquisition.
1 = Activates turbo-charge feature providing extra current during acquisition.
RCP_TURBO2
2
1
Works with RCP_TURBO1 (in the operation control register) to set the
turbo charge-pump mode (see Table 7).
Determines output mode for LOCK pin as defined below:
00 = Test mode.
LD_MODE
1, 0
11
01 = IF PLL lock detector.
10 = RF PLL lock detector.
11 = Logical AND of IF PLL and RF PLL lock detectors.
Table 4. Current-Control Register (I CC CTRL, Address: 0110 b )
BIT NAME
RESERVED
BIT
LOCATION
(0 = LSB)
15, 14, 13, 12
TYPICAL
SETTINGS
0000
FUNCTION
Reserved. Set to 0000 for normal operation.
Sets the maximum RF output power level.
MPL
11
1
0 = Sets to low-noise mode.
1 = Sets to normal power mode.
RESERVED
THROTTLE_BACK
I_MULT
10, 9, 8, 7
6, 5, 4
3, 2, 1, 0
1000
011
1000
Reserved. Set to 1000 for normal operation.
Controls the throttleback rate (see Table 6).
Sets the current scale factor for the PA driver (see Table 5).
14
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| MAX2370ETM+ | 功能描述:射频发射器 Complete 450MHz Quadrature Txr RoHS:否 制造商:Micrel 类型:ASK Transmitter 封装 / 箱体:SOT-23-6 工作频率:300 MHz to 450 MHz 封装:Reel |
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| MAX2370ETM-T | 功能描述:射频发射器 Complete 450MHz Quadrature Txr RoHS:否 制造商:Micrel 类型:ASK Transmitter 封装 / 箱体:SOT-23-6 工作频率:300 MHz to 450 MHz 封装:Reel |
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