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| 型号： | MCP3425A0T-E/CH |
| 厂商： | Microchip Technology |
| 文件页数： | 13/38页 |
| 文件大小： | 0K |
| 描述： | IC ADC 16BIT I2C PROGBL SOT23-6 |
| 产品培训模块： | MCP3901 Analog Front End |
| 标准包装： | 1 |
| 位数： | 16 |
| 数据接口： | I²C，串行 |
| 转换器数目： | 1 |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-23-6 |
| 包装： | 标准包装 |
| 输入数目和类型： | 2 个单端，双极；1 个差分，双极 |
| 产品目录页面： | 672 (CN2011-ZH PDF) |
| 配用： | MCP3425EV-ND - EVALUATION BOARD FOR MCP3425 |
| 其它名称： | MCP3425A0T-E/CHDKR |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP3425A1T-E/CH | 功能描述:模数转换器 - ADC 18bit deltasigma ADC single channel, 4sps 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 |
| MCP3425A1TECH | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16-Bit Analog-to-Digital Converter with I2C Interface and On-Board Reference |
| MCP3425A2T-E/CH | 功能描述:模数转换器 - ADC 18bit deltasigma ADC single channel, 4sps 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 |
| MCP3425A2TECH | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:16-Bit Analog-to-Digital Converter with I2C Interface and On-Board Reference |
| MCP3425A3T-E/CH | 功能描述:模数转换器 - ADC 18bit deltasigma ADC single channel, 4sps 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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