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MAX19710–MAX19713 Evaluation
Kits/Evaluation Systems
Configure the on-board buffers for a positive (noninverting)
gain by performing the following steps:
1) Cut open the trace at locations R31, R33, and R35.
2) Select a value of 10k Ω for resistors R32, R34, and
R36.
3) Calculate resistors R31, R33, and R35 using the
equations below.
4) Install R31, R33, and R35 in their respective locations:
Disconnect the buffers from the AFEs by cutting the
trace at locations R28, R29, and R30. Connect the low-
speed DAC loads to the DAC1, DAC2, and DAC3 pads
on the EV kit. If the load capacitance is between 5pF
and 15pF, cut the trace and install 10k Ω resistors at
locations R25, R26, and R27. Resistors are not required
if the load is less than 5pF.
Using an Alternative SPI Interface
The EV kits provide pads and jumpers that allow an
alternative SPI interface to be used. Connect the inter-
R 31 = R 32 x ?
? 1 ?
? BDAC 1
? DAC 1
?
?
face to the CS , SCLK, DIN, DOUT, and OGND pads.
Ensure that the SPI voltages are compatible with all of
the AFE ’s working voltages. Refer to the individual
MAX19710, MAX19711, MAX19712, and MAX19713
= R
R 33 34 x ?
?
? 1 ?
= R
R 35 36 x ?
?
? 1 ?
? BDAC 2
DAC 2
? BDAC 3
DAC 3
?
?
?
?
data sheets for suitable SPI interface voltages. Remove
the shunts from jumper JU1. See Table 4 for jumper
configurations.
Table 4. Alternative SPI Interface (JU1)
SHUNT POSITION DESCRIPTION
1-2*
where:
BDAC _
DAC _
= Desired noninverting gain of buffer
3-4*
5-6*
7-8*
Normal Operation.
Four shunts are installed across
pins 1-2, 3-4, 5-6, and 7-8.
Alternative SPI Interface.
R 32 = R 34 = R 36 = 10k Ω
Not installed
No shunts are installed on JU1, connect
the SPI signals to the CS , SCLK, DIN,
Driving Unbuffered Loads
The low-speed buffers (U6) on the EV kits are optional and,
if desired, can be disconnected from the DAC outputs of
the AFEs.
*Default configuration.
DOUT, and OGND pads.
10
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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