參數(shù)資料
型號： MCP3426A0-E/MC
廠商： Microchip Technology
文件頁數(shù)： 18/56頁
文件大?。?/td> 0K
描述： IC ADC 16BIT I2C PROGBL 8-DFN
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準(zhǔn)包裝： 150
位數(shù)： 16
采樣率（每秒）： 15
數(shù)據(jù)接口： I²C，串行
轉(zhuǎn)換器數(shù)目： 1
電壓電源： 單電源
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 8-VFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 8-DFN（2x3）
包裝： 管件
輸入數(shù)目和類型： 2 個差分，單極
產(chǎn)品目錄頁面： 672 (CN2011-ZH PDF)
2009 Microchip Technology Inc.
DS22226A-page 25
MCP3426/7/8
5.6.5
ACKNOWLEDGE AND
NON-ACKNOWLEDGE
The Master (microcontroller) and the slave (MCP3426/
7/8) use an acknowledge pulse (ACK) 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 MCP3426/7/8 devices
release
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 5-6:
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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MCP3426A0T-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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MCP3426A0T-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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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MCP3426A1-E/MC 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18bit deltasigma ADC single channel, 4sps 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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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