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| 型号： | AFE7222IRGCR |
| 厂商： | Texas Instruments |
| 文件页数： | 23/106页 |
| 文件大小： | 0K |
| 描述： | IC AFE 12BIT 65/130MSPS 64VQFN |
| 标准包装： | 2,000 |
| 位数： | 12 |
| 通道数： | 4 |
| 功率（瓦特）： | 610mW |
| 电压 - 电源，模拟： | 2.85 V ~ 3.6 V |
| 电压 - 电源，数字： | 1.7 V ~ 1.9 V |
| 封装/外壳： | 64-VFQFN 裸露焊盘 |
| 供应商设备封装： | 64-VQFN 裸露焊盘（9x9） |
| 包装： | 带卷 (TR) |
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SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Register Name – CONFIG3 – Address 0x106, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
FIR2B_MODE
FIR1B_MODE
FIR2A_MODE
FIR1A_MODE
TX_INT_MODE_SRC
TX_INT_MODE(1:0)
TX_INT_MODE(1:0) – Specifies the interpolation factor. To use this mode, set TX_INT_MODE_SRC to 1.
VALUE
INTERPOLATION FACTOR
0
1
2
4
3
4
While interpolating by a factor of 2, the DAC_DCLKIN rate should be set to half of the DAC_CLK rate.
While interpolating by a factor of 4, the DAC_DCLKIN rate should be set to one fourth of the DAC_CLK
rate. In interpolate by 2 mode , TxFIR1 alone is used. In Interpolate by 4 mode, both TxFIR1, and TxFIR2
are used.
TX_INT_MODE_SRC – Needs to be set to 1 when programming TX_INT_MODE(1:0)
FIR1A_MODE – Specifies whether TxFIR1 in Channel A is in low pass or high pass mode . Set this bit to
configure the filter in high pass mode. In interpolate by 4 mode, always set TxFIR1 to low pass mode.
FIR2A_MODE – Specifies whether TxFIR2 in Channel A is in low pass or high pass mode. Set this bit to
configure the filter in high pass mode
FIR1B_MODE – Specifies whether TxFIR1 in Channel B is in low pass or high pass mode. Set this bit to
configure the filter in high pass mode
FIR2B_MODE – Specifies whether TxFIR2 in Channel B is in low pass or high pass mode . Set this bit to
configure the filter in high pass mode
Register Name – CONFIG4 – Address 0x107, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
TX_CMIX_PHASE(1:0)
TX_CMIX_PHASE_INCR
TX_CMIX_MODE(1:0)
TX_CMIX_EN
TX_CMIX_EN – Enables the Tx Coarse Mixer.
TX_CMIX_MODE (1:0) – Specifies the mode in which the TX CMIX is configured. Set TX_CMIX_EN for
this to take effect.
VALUE
MIXING MODE
0
Normal(Low pass )
1
Fs /2 (High Pass ) – real mixing mode
2
+ Fs/4 – complex mixing mode
3
– Fs/4 – complex mixing mode
TX_CMIX_PHASE_INCR – This bit is a method to control the mixing phase without using the SYNC pin. A
0 to 1 transition on this bit causes the phase of mixing in the TX CMIX to be incremented by 1 with respect
to the current phase of mixing. To increment the phase of mixing more than once, clear and then set this
bit once again. Syncing needs to be disabled for Tx CMIX for this mode to work. (This means that global
syncing should be disabled, and CMIX-specifc syncing should also be disabled).
TX_CMIX_PHASE (1:0) – The value programmed into this is applied as the current TX CMIX phase,
when the CMIX is synced, Syncing needs to be enabled for CMIX for this mode to work. This mode is
meant to synchronize the phase of mixing across multiple chips.
Copyright 2011–2012, Texas Instruments Incorporated
REGISTER DESCRIPTIONS
23
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| AFE7222IRGCT | 功能描述:射频前端 Dual 12B,65MSPS ADC RoHS:否 制造商:Skyworks Solutions, Inc. 类型: 工作频率:2.4 GHz, 5 GHz 最大数据速率:54 Mbps 噪声系数: 工作电源电压:3.3 V 电源电流:180 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-32 |
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| AFE7225EVM | 功能描述:射频开发工具 AFE7225 Eval Mod RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V |
| AFE7225IRGC25 | 功能描述:射频前端 Dual 12B,125MSPS ADC RoHS:否 制造商:Skyworks Solutions, Inc. 类型: 工作频率:2.4 GHz, 5 GHz 最大数据速率:54 Mbps 噪声系数: 工作电源电压:3.3 V 电源电流:180 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-32 |
| AFE7225IRGCR | 功能描述:射频前端 Dual 12B,125MSPS ADC RoHS:否 制造商:Skyworks Solutions, Inc. 类型: 工作频率:2.4 GHz, 5 GHz 最大数据速率:54 Mbps 噪声系数: 工作电源电压:3.3 V 电源电流:180 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-32 |
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