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参数资料
| 型号： | MAX1046BETX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 25/39页 |
| 文件大小： | 0K |
| 描述： | IC ADC/DAC 10BIT 36-TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | ADC，DAC |
| 分辨率（位）： | 10 b |
| 采样率（每秒）： | 225k |
| 数据接口： | 串行 |
| 电压电源： | 模拟和数字 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
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MAX1040/MAX1042/MAX1046/MAX1048
10-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
______________________________________________________________________________________
31
(UP TO 514 INTERNALLY CLOCKED ACQUISITIONS AND CONVERSIONS)
MSB1
tDOV
LSB1
MSB2
(CONVERSION BYTE)
CS
DOUT
SCLK
DIN
EOC
Figure 8. Clock Mode 10—The command byte to the conversion register begins the acquisition (
CNVST is not required).
version. However, coupled noise may result in degrad-
ed ADC SNR.
If averaging is turned on, multiple
CNVST pulses need to
be performed before a result is written to the FIFO. Once
the proper number of conversions has been performed
to generate an averaged FIFO result (as specified to the
averaging register), the scan logic automatically switch-
es the analog input multiplexer to the next requested
channel. If a temperature measurement is programmed,
it is performed after the first rising edge of
CNVST follow-
ing the command byte written to the conversion register.
The temperature-conversion result is available on DOUT
once
EOC has been pulled low. Temperature results are
available in 12-bit format.
Internally Timed Acquisitions and
Conversions Using the Serial Interface
ADC Conversions in Clock Mode 10
In clock mode 10, the wake-up, acquisition, conversion,
and shutdown sequence is initiated by writing a com-
mand byte to the conversion register, and is performed
automatically using the internal oscillator. This is the
default clock mode upon power-up. See Figure 8 for
clock mode 10 timing.
Initiate a scan by writing a command byte to the conver-
sion register. The MAX1040/MAX1042/MAX1046/
MAX1048 then power up, scan all requested channels,
store the results in the FIFO, and shut down. After the
scan is complete,
EOC is pulled low and the results are
available in the FIFO. If a temperature measurement is
requested, the temperature result precedes all other
FIFO results. Temperature results are available in 12-bit
format.
EOC stays low until CS is pulled low again. Wait
until all conversions are complete before reading the
FIFO. SPI communications to the DAC and GPIO regis-
ters are permitted during conversion. However, coupled
noise may result in degraded ADC SNR.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1048 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports |
| MAX1048BETX | 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 |
| MAX1048BETX+ | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port 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 |
| MAX1048BETX+T | 功能描述:ADC / DAC多通道 10Bit AD/DACs w/FIFO Temp Sns & GPIO Port 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 |
| MAX1048BETX-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 |
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