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参数资料
| 型号： | MAX188DCPP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 16/25页 |
| 文件大小： | 0K |
| 描述： | IC DAS 8CH 12BIT T/H LP 20-DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 18 |
| 类型： | 数据采集系统（DAS） |
| 分辨率（位）： | 12 b |
| 采样率（每秒）： | 133k |
| 数据接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 电压电源： | 双 ± |
| 电源电压： | ±5V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
| 产品目录页面： | 1393 (CN2011-ZH PDF) |
Low-Power, 8-Channel,
Serial 12-Bit ADCs
Maxim Integrated
23
MAX186/MAX188
TMS320C3x to MAX186 Interface
Figure 22 shows an application circuit to interface the
MAX186/MAX188 to the TMS320 in external clock
mode. The timing diagram for this interface circuit is
shown in Figure 23.
Use the following steps to initiate a conversion in the
MAX186/MAX188 and to read the results:
1) The TMS320 should be configured with CLKX (trans-
mit clock) as an active-high output clock and CLKR
(TMS320 receive clock) as an active-high input clock.
CLKX and CLKR of the TMS320 are connected
together with the SCLK input of the MAX186/MAX188.
2) The MAX186/MAX188 CS is driven low by the XF_
I/O port of the TMS320 to enable data to be clocked
into DIN of the MAX186/MAX188.
3) An 8-bit word (1XXXXX11) should be written to the
MAX186/MAX188 to initiate a conversion and place
the device into external clock mode. Refer to Table
2 to select the proper XXXXX bit values for your spe-
cific application.
4) The SSTRB output of the MAX186/MAX188 is moni-
tored via the FSR input of the TMS320. A falling
edge on the SSTRB output indicates that the conver-
sion is in progress and data is ready to be received
from the MAX186/MAX188.
XF
CLKX
CLKR
DX
DR
FSR
CS
SCLK
DIN
DOUT
SSTRB
TMS320C3x
MAX186
MAX188
Figure 22. MAX186/MAX188 to TMS320 Serial Interface
CS
SCLK
SSTRB
DIN
Figure 21. QSPI Assembly-Code Timing
5) The TMS320 reads in one data bit on each of the
next 16 rising edges of SCLK. These data bits rep-
resent the 12-bit conversion result followed by four
trailing bits, which should be ignored.
6) Pull CS high to disable the MAX186/MAX188 until
the next conversion is initiated.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX188DCPP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX188DCWP | 功能描述:模数转换器 - ADC Integrated Circuits (ICs) 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 |
| MAX188DCWP+ | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX188DCWP+T | 功能描述:模数转换器 - ADC 12-Bit 8Ch 133ksps 5.25V 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 |
| MAX188DCWP-T | 功能描述:模数转换器 - 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 |
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