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MAX19710–MAX19713 Evaluation
Kits/Evaluation Systems
Auxiliary ADC Controls
Access the MAX19710–MAX19713 auxiliary ADC through
the Auxiliary ADC tab (Figure 3) of the EV kit software.
Although these AFEs feature only one 10-bit, low-speed
ADC, they can multiplex four voltages onto their input.
Select the desired ADC Input Source in the ADC
Conversion box. Read the CODE and VOLTAGE of the
ADC by selecting the Start Conversion and Read ADC
Value button.
Other ADC features, such as ADC Averaging and
Conversion Clock Divide Ratio , are accessed
through the ADC Control box. Disable the auxiliary
ADC by checking the Shutdown Auxiliary ADC
checkbox. These AFEs can use either the Internal
2.048V reference or VDD ( Internal VDD ) for the auxil-
iary ADC reference. If VDD is used for the reference
voltage, enter the value of VDD in the box beside the
Internal VDD checkbox.
Simple SPI Commands
There are two methods for communicating with the
AFEs: through the normal GUI panel, or through the SPI
commands available by selecting the 3-Wire Interface
Diagnostic item from the Options pulldown menu. A
window is displayed that executes an SPI read/write
operation.
The SPI ( 3-Wire Interface ) dialog box accepts numeric
data in hexadecimal format. Hexadecimal numbers
should be prefixed by a $ or 0x. Data entered in the
Figure 3. MAX19713 EV Kit Software Auxiliary ADC Control
Data bytes to be written: edit box is sent to the
device. Eight-bit hexadecimal numbers should be
comma delimited. Data appearing in the Data bytes
received: box is data read from the device.
Selecting the Send Now button in Figure 4 transmits
the hexadecimal numbers 0x55 and 0xAA. 0x00 and
0x00 are the received values from the device. For a
detailed description of SPI communications, refer to the
MAX19710, MAX19711, MAX19712, and MAX19713
data sheets.
Detailed Description of Hardware
The MAX19710–MAX19713 EV kits are fully assembled
and tested PCBs that contain all the components nec-
essary to evaluate the performance of the MAX19710,
MAX19711, MAX19712, or MAX19713 AFEs.
The AFE’s receive ADCs (Rx ADCs) accept differential
input signals; however, on-board transformers (T1, T2)
convert a user ’s single-ended source output to the
required differential signal. The input signals of the
MAX19710–MAX19713 are measured using a differential
oscilloscope probe at headers J4 and J5. A buffer/driver
(U2) buffers the parallel ADC digital output signals. The
digital ADC data is accessible at header J2.
The AFE’s transmit DACs (Tx DACs) are buffered with
on-board ultra-low-distortion, split-supply op amps.
The EV kits are designed as four-layer PCBs to optimize
the performance of the MAX19710 –MAX19713.
Figure 4. MAX19713 EV Kit Software 3-Wire Interface
Diagnostics
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相关代理商/技术参数
MAX19711ETN
功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19711ETN+
功能描述:ADC / DAC多通道 11Msps CODEC/AFE Full Duplex RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19711ETN+T
功能描述:ADC / DAC多通道 11Msps CODEC/AFE Full Duplex RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19711ETN-T
功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40
MAX19711EVCMODU+
功能描述:数据转换 IC 开发工具 MAX19710/13 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
MAX19711EVKIT
功能描述:数据转换 IC 开发工具 RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
MAX19711EVKIT+
功能描述:数据转换 IC 开发工具 MAX19710/13 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
MAX19712ETN
功能描述:ADC / DAC多通道 RoHS:否 制造商:Texas Instruments 转换速率: 分辨率:8 bit 接口类型:SPI 电压参考: 电源电压-最大:3.6 V 电源电压-最小:2 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-40