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參數資料
| 型號： | MAX186DEWP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 16/25頁 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT SERIAL 20-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 36 |
| 類型： | 數據采集系統（DAS），ADC |
| 分辨率（位）： | 12 b |
| 采樣率（每秒）： | 133k |
| 數據接口： | MICROWIRE?，QSPI?，串行，SPI? |
| 電壓電源： | 雙 ± |
| 電源電壓： | ±5V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 20-SOIC W |
| 包裝： | 管件 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX186DEWP+ | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX186DEWP+T | 功能描述:模數轉換器 - ADC 12-Bit 8Ch 133ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX186DEWP-T | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX186DMJP | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX186DMJP/883B | 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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