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參數(shù)資料
| 型號： | MCP3425EV |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 13/38頁 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD FOR MCP3425 |
| 產(chǎn)品培訓模塊： | MCP3901 Analog Front End |
| 標準包裝： | 1 |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 15 ~ 240 |
| 數(shù)據(jù)接口： | I²C |
| 輸入范圍： | ±2.048 V |
| 工作溫度： | -40°C ~ 125°C |
| 已用 IC / 零件： | MCP3425 |
| 已供物品： | 板 |
| 產(chǎn)品目錄頁面： | 672 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | MCP3425A0T-E/CHDKR-ND - IC ADC 16BIT I2C PROGBL SOT23-6 MCP3425A0T-E/CHCT-ND - IC ADC 16BIT I2C PROGBL SOT23-6 MCP3425A0T-E/CHTR-ND - IC ADC 16BIT I2C PROGBL SOT23-6 |
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MCP3425
DS22072B-page 20
2009 Microchip Technology Inc.
5.6.5
ACKNOWLEDGE AND NON-
ACKNOWLEDGE
The Master (microcontroller) and the slave (MCP3425)
use an acknowledge pulse as a hand shake of
communication for each byte. The ninth clock pulse of
each byte is used for the acknowledgement. The clock
pulse
is
always
provided
by
the
Master
(microcontroller) and the acknowledgement is issued
by the receiving device of the byte (Note: The
transmitting device must release the SDA line during
the acknowledge pulse.). The acknowledgement is
achieved by pulling-down the SDA line “LOW” during
the 9th clock pulse by the receiving device.
During
reads,
the
Master
(microcontroller)
can
terminate the current read operation by not providing
an acknowledge bit (not Acknowledge (NAK)) on the
last byte. In this case, the MCP3425 device releases
the SDA line to allow the Master (microcontroller) to
generate a STOP or repeated START condition.
The
non-acknowledgement
(NAK)
is
issued
by
providing the SDA line to “HIGH” during the 9th clock
pulse.
FIGURE 5-5:
Data Transfer Sequence on I2C Serial Bus.
SCL
SDA
(A)
(B)
(D)
(A)
(C)
START
CONDITION
ADDRESS OR
ACKNOWLEDGE
VALID
DATA
ALLOWED
TO CHANGE
STOP
CONDITION
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| MCP3426 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:16-Bit, Multi-Channel Analog-to-Digital Converter with I2C Interface and On-Board Reference |
| MCP3426A0-E/MC | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit delta-sigma ADC dual chan 15sps RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MCP3426A0-E/MS | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit delta-sigma ADC dual chan 15sps RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MCP3426A0-E/SN | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-bit delta-sigma ADC dual chan 15sps RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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 |
| MCP3426A0-E/SN | 制造商:Microchip Technology Inc 功能描述:A/D (A-D) CONVERTER IC |
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