參數(shù)資料
型號： MCP3425EV
廠商： Microchip Technology
文件頁數(shù)： 6/38頁
文件大小： 0K
描述： EVALUATION BOARD FOR MCP3425
產(chǎn)品培訓(xùn)模塊： MCP3901 Analog Front End
標(biāo)準(zhǔn)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
MCP3425
DS22072B-page 14
2009 Microchip Technology Inc.
5.2
Configuration Register
The MCP3425 has an 8-bit wide configuration register
to select for: PGA gain, conversion rate, and
conversion mode. This register allows the user to
change the operating condition of the device and check
the status of the device operation. The user can rewrite
the configuration byte any time during the device
operation.
shows
the
configuration
register bits.
REGISTER 5-1:
CONFIGURATION REGISTER
R/W-1
R/W-0
R/W-1
R/W-0
RDY
C1
C0
O/C
S1
S0
G1
G0
1 *
0 *
1 *
0 *
bit 7
bit 0
* Default Configuration after Power-On Reset
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7
RDY: Ready Bit
This bit is the data ready flag. In read mode, this bit indicates if the output register has been updated
with a new conversion. In One-Shot Conversion mode, writing this bit to “1” initiates a new conversion.
Reading RDY bit with the read command:
1
= Output register has not been updated.
0
= Output register has been updated with the latest conversion data.
Writing RDY bit with the write command:
Continuous Conversion mode: No effect
One-Shot Conversion mode:
1
= Initiate a new conversion.
0
= No effect.
bit 6-5
C1-C0: Channel Selection Bits
These are the Channel Selection bits, but not used in the MCP3425 device.
bit 4
O/C: Conversion Mode Bit
1
= Continuous Conversion Mode. Once this bit is selected, the device performs data conversions
continuously.
0
= One-Shot Conversion Mode. The device performs a single conversion and enters a low power
standby mode until it receives another write/read command.
bit 3-2
S1-S0: Sample Rate Selection Bit
00 =
240 SPS (12 bits),
01 =
60 SPS (14 bits),
10 =
15 SPS (16 bits)
bit 1-0
G1-G0: PGA Gain Selector Bits
00 =
1 V/V,
01 =
2 V/V,
10 =
4 V/V,
11
=
8 V/V
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參數(shù)描述
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(fēng)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(fēng)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(fēng)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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