參數(shù)資料
型號(hào): AFE7222IRGC25
廠商: Texas Instruments
文件頁數(shù): 39/106頁
文件大?。?/td> 0K
描述: IC AFE 12BIT 65/130MSPS 64VQFN
標(biāo)準(zhǔn)包裝: 1
位數(shù): 12
通道數(shù): 4
功率(瓦特): 610mW
電壓 - 電源,模擬: 2.85 V ~ 3.6 V
電壓 - 電源,數(shù)字: 1.7 V ~ 1.9 V
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-VQFN 裸露焊盤(9x9)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 296-30067-6
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Register Name – CONFIG73 – Address 0x171, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_GAINB(10:3)
RX_QMC_GAINB(10:3) – Upper 8 bits of the 11 bit QMC Gain word for ADC B.
Register Name – CONFIG74 – Address 0x172, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_PHASE(9:2)
RX_QMC_PHASE(9:2) – Upper 8 bits of the 10 bit QMC Phase word. The lower two bits are in the
CONFIG75 register. The full QMC_PHASE(9 :0) correction word is formatted as 2s complement and
scaled to occupy a range of -0.125 to 0.12475. To acomplish QMC Phase correction, this value is
multiplied by the current Q sample, then summed to the I sample.
Register Name – CONFIG75 – Address 0x173, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_QMC_PHASE(1:0)
RX_QMC_PHASE(1:0) – Lower 2 bits of the 10 bit QMC Phase word.
Register Name – CONFIG76 – Address 0x174, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(31:24)
RX_NCO_FREQ_WORD(31:24) – See CONFIG79 below.
Register Name – CONFIG77 – Address 0x175, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(23:16)
RX_NCO_FREQ_WORD(23:16) – See CONFIG79 below.
Register Name – CONFIG78 – Address 0x176, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(15:8)
RX_NCO_FREQ_WORD(15:8) – See CONFIG79 below.
Register Name – CONFIG79 – Address 0x177, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_FREQ_WORD(7:0)
RX_NCO_FREQ_WORD(7:0) – This 32-bit word specifies the frequency of the NCO used by the fine
mixer. The twos complement formatted value can be positive or negative, and the LSB is equal to (Fs/232).
Register Name – CONFIG80 – Address 0x178, Default = 0x00 (Synced)
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
RX_NCO_PHASE_OFF(15:8)
RX_NCO_PHASE_OFF(15:8) – See CONFIG81 below.
38
REGISTER DESCRIPTIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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