参数资料
型号: AFE7222EVM
厂商: Texas Instruments
文件页数: 50/106页
文件大小: 0K
描述: EVAL MODULE FOR AFE7222
标准包装: 1
主要目的: 接口,模拟前端(AFE)
嵌入式:
已用 IC / 零件: AFE7222
已供物品:
其它名称: 296-30300
AFE7222EVM-ND
SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012
Register Name – CONFIG117A – Address 0xDB, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
ENABLE_DCC_CHB
ENABLE_DCC_CHB: Enables the duty cycle correction circuit (DCC) for the ADC_CLK for ADC Channel
B. It is recommended to use the DCC when operating at frequencies of ADC_CLK higher than 65 MSPS.
Register Name – CONFIG117B – Address 0xF2, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
ENABLE_DCC_CHA
ENABLE_DCC_CHA: Enables the duty cycle correction circuit (DCC) for the ADC_CLK for ADC Channel
A. It is recommended to use the DCC when operating at frequencies of ADC_CLK higher than 65 MSPS.
5.6
AUX DAC REGISTERS
Register Name – CONFIG118 – Address 0x242, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
AUX_DAC_TERM_N<2:0>
EN_AUXDACB
EN_AUXDACA
AUX_DAC_TERM_N<2:0>: Termination resistor for the negative terminal of the AUX DAC (internal node).
Choose it to be close to the termination resistor on the pin.
AUX_DAC_TERM_N<2:0>
TERMINTION RESISTOR (ohm)
0
200 (default)
1
infinite
10
67
11
100
133
101
400
110
57
111
80
EN_AUXDACB: Enables AUXDACB.
EN_AUXDACA: Enables AUXDACA.
Register Name – CONFIG119 – Address 0x243, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
REG_AUXDACA_IN<11:4>
REG_AUXDACA_IN<11:4> – Register bits for DACA data in Register Access mode
Register Name – CONFIG120 – Address 0x244, Default = 0x00
<7>
<6>
<5>
<4>
<3>
<2>
<1>
<0>
REG_AUXDACA_IN<3:0>
REG_AUXDACA_IN<3:0> – Register bits for DACA data in Register Access mode.
48
REGISTER DESCRIPTIONS
Copyright 2011–2012, Texas Instruments Incorporated
Product Folder Link(s): AFE7222 AFE7225
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