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參數(shù)資料
| 型號： | MCP3221A4T-E/OT |
| 廠商： | Microchip Technology |
| 文件頁數(shù)： | 1/28頁 |
| 文件大?。?/td> | 0K |
| 描述： | ADC 12BIT I2C INTERFACE SOT23-5 |
| 標準包裝： | 1 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 22.3k |
| 數(shù)據(jù)接口： | I²C，串行 |
| 轉換器數(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： | SC-74A，SOT-753 |
| 供應商設備封裝： | SOT-23-5 |
| 包裝： | 標準包裝 |
| 輸入數(shù)目和類型： | 1 個單端，單極 |
| 其它名稱： | MCP3221A4T-E/OTDKR |
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2006 Microchip Technology Inc.
DS21732C-page 1
MCP3221
Features
12-bit resolution
±1 LSB DNL, ±2 LSB INL max.
250 A max conversion current
5 nA typical standby current, 1 A max.
I2C-compatible serial interface
- 100 kHz I2C Standard Mode
- 400 kHz I2C Fast Mode
Up to 8 devices on a single 2-Wire bus
22.3 ksps in I2C Fast Mode
Single-ended analog input channel
On-chip sample and hold
On-chip conversion clock
Single-supply specified operation: 2.7V to 5.5V
Temperature range:
- Industrial: -40°C to +85°C
- Extended: -40°C to +125°C
Small SOT-23-5 package
Applications
Data Logging
Multi-zone Monitoring
Hand-Held Portable Applications
Battery-Powered Test Equipment
Remote or Isolated Data Acquisition
Package Type
Description
The Microchip Technology Inc. MCP3221 is a
successive approximation A/D converter with 12-bit
resolution. Available in the SOT-23-5 package, this
device provides one single-ended input with very low
power consumption. Based on an advanced CMOS
technology, the MCP3221 provides a low maximum
conversion current and standby current of 250 A and
1 A,
respectively.
Low
current
consumption,
combined with the small SOT-23 package, make this
device ideal for battery-powered and remote data
acquisition applications.
Communication to the MCP3221 is performed using a
2-wire, I2C compatible interface. Standard (100 kHz)
and Fast (400 kHz) I2C modes are available with the
device.
An
on-chip
conversion
clock
enables
independent timing for the I2C and conversion clocks.
The device is also addressable, allowing up to eight
devices on a single 2-wire bus.
The MCP3221 runs on a single supply voltage that
operates over a broad range of 2.7V to 5.5V. This
device also provides excellent linearity of ±1 LSB
differential non-linearity and ±2 LSB integral non-lin-
earity, maximum.
Functional Block Diagram
5-Pin SOT-23
SCL
AIN
MCP3
221
1
2
3
5
SDA
VSS
VDD
4
Comparator
Sample
and
Hold
12-bit SAR
DAC
I2C Interface
AIN
VSS
VDD
SCL
SDA
Clock
Control Logic
–
+
Low Power 12-Bit A/D Converter With I2C Interface
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MCP3221A4T-I/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low Power 12-Bit A/D Converter With I2C⑩ Interface |
| MCP3221A5-E/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low Power 12-Bit A/D Converter With I2C⑩ Interface |
| MCP3221A5-I/OT | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Low Power 12-Bit A/D Converter With I2C⑩ Interface |
| MCP3221A5T-E/OT | 功能描述:模數(shù)轉換器 - ADC 12-bit I2C Sgl Chl RoHS:否 制造商:Texas Instruments 通道數(shù)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 |
| MCP3221A5T-I/OT | 功能描述:模數(shù)轉換器 - ADC 10-bit I2C Sgl Chl RoHS:否 制造商:Texas Instruments 通道數(shù)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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