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| 型号： | MCP3021A4T-E/OT |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | ADC 10BIT I2C INTERFACE SOT23-5 |
| 标准包装： | 1 |
| 位数： | 10 |
| 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 |
| 其它名称： | MCP3021A4T-E/OTDKR |
2003 Microchip Technology Inc.
DS21805A-page 1
M
MCP3021
Features
10-bit resolution
±1 LSB DNL, ±1 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 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:
- Extended: -40°C to +125°C
Small SOT-23 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. MCP3021 is a succes-
sive approximation A/D converter (ADC) with 10-bit
resolution. Available in the SOT-23 package, this
device provides one single-ended input with very low
power consumption. Based on an advanced CMOS
technology, the MCP3021 provides a low maximum
conversion current and standby current of 250 A and
1 A, respectively. Low current consumption, com-
bined with the small SOT-23 package, make this
device ideal for battery-powered and remote data
acquisition applications.
Communication to the MCP3021 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 indepen-
dent timing for the I2C and conversion clocks. The
device is also addressable, allowing up to eight devices
on a single 2-wire bus.
The MCP3021 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 differ-
ential non-linearity (DNL) and ±1 LSB integral non-
linearity (INL), maximum.
Functional Block Diagram
5-Pin SOT-23A
SCL
AIN
MCP
3
02
1
1
2
3
5
SDA
VSS
VDD
4
Comparator
10-Bit SAR
DAC
AIN
VSS
VDD
SCL
SDA
Clock
Control Logic
–
+
Sample
and
Hold
I2C
Interface
Low Power 10-Bit A/D Converter With I2C Interface
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| MCP3021A5T-E/OT | 功能描述:模数转换器 - ADC 10-bit I2C Sgl Chnl 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 |
| MCP3021A5T-E/OT-CUT TAPE | 制造商:Microchip 功能描述:Single Channel SPI Serial Interface 2.7 V 10-Bit A/D Converter SMT - SOT-23-5 |
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| MCP3021A7T-E/OT | 功能描述:模数转换器 - ADC 10-bit ADC I2C Single Channel 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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