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| 型号： | MCP3221A5T-E/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 2.7V 1CH LP SOT23-5 |
| 标准包装： | 1 |
| 位数： | 12 |
| 采样率（每秒）： | 22.3k |
| 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： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 输入数目和类型： | 1 个单端，单极 |
| 产品目录页面： | 672 (CN2011-ZH PDF) |
| 配用： | VSUPEV2-ND - BOARD EVAL FOR MCP4022,4023,4024 MXSIGDM-ND - BOARD DEMO PICTAIL MIXED SIGNAL |
| 其它名称： | MCP3221A5T-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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP3221A5T-I/OT | 功能描述:模数转换器 - ADC 10-bit I2C Sgl Chl 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 |
| MCP3221A5T-I/OT | 制造商:Microchip Technology Inc 功能描述:A/D Converter (A-D) IC |
| MCP3221A5T-I/OT-CUT TAPE | 制造商:Microchip 功能描述:Single Channel I2C Interface 2.7 V 12-Bit A/D Converter SMT - SOT-23-5 |
| MCP3221A6-E/OT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Low Power 12-Bit A/D Converter With I2C⑩ Interface |
| MCP3221A6-I/OT | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:Low Power 12-Bit A/D Converter With I2C⑩ Interface |
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