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| 型号： | MAX11131ATI+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/37页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SRL 28-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 25 |
| 位数： | 12 |
| 采样率（每秒）： | 3M |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 2.76W |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 管件 |
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27
Maxim Integrated
MAX11129–MAX11132
3Msps, Low-Power, Serial 12-/10-Bit,
8-/16-Channel ADCs
Table 7. RANGE Register (RANGE Settings Only Applies to Bipolar Fully Differential
Analog Input Configurations)
ADC OUTPUT as a Function
of Unipolar and Bipolar Modes
The ADC Scan Control register (Table 3) determines the
ADC mode of operation. The Unipolar and Bipolar regis-
and whether input configuration is single-ended or fully
differential.
Table 9 details the conversion output for analog inputs,
AIN0 and AIN1. The truth table is consistent for any other
valid input pairs (AINn/AINn+1). Table 8 shows the appli-
cable input signal format with respect to analog input
configurations.
CHSEL[3:0]
is
used
for
MANUAL,
REPEAT,
STANDARD_EXT,
STANDARD_INT,
UPPER_EXT,
UPPER_INT modes of operation. CHSCAN[15:0] is used
for CUSTOM_EXT and CUSTOM_INT modes of operation.
SampleSet Mode of Operation
The SampleSet register stores the unique channel
sequence length. The sequence pattern is comprised of
up to 256 unique single-ended and/or differential conver-
sions with any order or pattern.
Patterns are assembled in 4-bit channel identifier nib-
SampleSet timing diagram. Note that two CS frames are
required to configure the SampleSet functionality. The
first frame indicates the sequence length. The second
frame is used to encode the channel sequence pattern.
After the SampleSet register has been coded (Table 14),
by the next falling edge of CS, the new SampleSet pattern
is activated (Figure 10). If the pattern length is less than
SEQ_LENGTH, the remaining channels default to AIN0. If
the select pattern length is greater than SEQ_LENGTH,
the additional data is ignored as the ADC waits for the ris-
ing edge of CS. If CS is asserted in the middle of a nibble,
the full nibble defaults to AIN0.
Upon receiving the SampleSet pattern, the user can
set the ADC Mode Control register to begin the conver-
sion process where data readout begins with the first
SampleSet entry. While the last conversion result is read,
the ADC can be instructed to enter AutoShutdown, if
desired. If the user wishes to change the SampleSet
length, a new pattern must be loaded into the ADC as
described in Figure 10.
BIT NAME
BIT
DEFAULT
STATE
FUNCTION
RANGE_SETUP
15:11
N/A
Set to 10011 to select the RANGE register
RANGE0/1
10
0
Set to 0 for AIN0/1: +VREF+/2
Set to 1 for AIN0/1: +VREF+
RANGE2/3
9
0
Set to 0 for AIN2/3: +VREF+/2
Set to 1 for AIN2/3: +VREF+
RANGE4/5
8
0
Set to 0 for AIN4/5: +VREF+/2
Set to 1 for AIN4/5: +VREF+
RANGE6/7
7
0
Set to 0 for AIN6/7: +VREF+/2
Set to 1 for AIN6/7: +VREF+
RANGE8/9
6
0
Set to 0 for AIN8/9: +VREF+/2
Set to 1 for AIN8/9: +VREF+
RANGE10/11
5
0
Set to 0 for AIN10/11: +VREF+/2
Set to 1 for AIN10/11: +VREF+
RANGE12/13
4
0
Set to 0 for AIN12/13: +VREF+/2
Set to 1 for AIN12/13: +VREF+
RANGE14/15
3
0
Set to 0 for AIN14/15: +VREF+/2
Set to 1 for AIN14/15: +VREF+
—
2:0
000
Unused
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相关代理商/技术参数 |
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| MAX11131ATI+ | 功能描述:模数转换器 - ADC 12Bit 16Ch 3Msps Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX11131ATI+T | 功能描述:模数转换器 - ADC 12Bit 16Ch 3Msps Precision ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX11131AUI+ | 功能描述:模数转换器 - ADC 12Bit 16 Ch 3Msps Serial ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX11131AUI+T | 功能描述:模数转换器 - ADC 12Bit 16 Ch 3Msps Serial ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX11131EVKIT# | 功能描述:数据转换 IC 开发工具 MAX11131 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 |
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