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| 型号： | MCP355XDM-TAS |
| 厂商： | Microchip Technology |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO TINY APP SNSR MCP355X |
| 产品培训模块： | MCP3901 Analog Front End |
| 标准包装： | 1 |
| ADC 的数量： | 1 |
| 位数： | 22 |
| 数据接口： | 串行 |
| 输入范围： | ±3 V |
| 工作温度： | -40°C ~ 125°C |
| 已用 IC / 零件： | MCP355x |
| 已供物品： | 板，CD |
| 产品目录页面： | 672 (CN2011-ZH PDF) |
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2009 Microchip Technology Inc.
DS21950E-page 1
MCP3550/1/3
Features
22-bit ADC in Small 8-pin MSOP Package with
Automatic Internal Offset and Gain Calibration
Low-Output Noise of 2.5 VRMS with Effective
Resolution of 21.9 bits (MCP3550/1)
3 V Typical Offset Error
2 ppm Typical Full Scale Error
6 ppm Maximum INL Error
Total Unadjusted Error Less Than 10 ppm
No Digital Filter Settling Time, Single-Command
Conversions through 3-wire SPI Interface
Ultra-Low Conversion Current (MCP3550/1):
- 100 A typical (VDD = 2.7V)
- 120 A typical (VDD = 5.0V)
Differential Input with VSS to VDD Common Mode
Range
2.7V to 5.5V Single-Supply Operation
Extended Temperature Range:
- -40°C to +125°C
Applications
Weigh Scales
Direct Temperature Measurement
6-digit DVMs
Instrumentation
Data Acquisition
Strain Gauge Measurement
Block Diagram
Description
The Microchip Technology Inc. MCP3550/1/3 devices
are 2.7V to 5.5V low-power, 22-bit Delta-Sigma
Analog-to-Digital Converters
(ADCs). The devices offer
output noise as low as 2.5 VRMS, with a total
unadjusted error of 10 ppm. The family exhibits 6 ppm
Integral Non-Linearity (INL) error, 3 V offset error and
less than 2 ppm full scale error. The MCP3550/1/3
devices provide high accuracy and low noise
performance
for
applications
where
sensor
measurements (such as pressure, temperature and
humidity) are performed. With the internal oscillator
and high oversampling rate, minimal external
components
are
required
for
high-accuracy
applications.
This product line has fully differential analog inputs,
making it compatible with a wide variety of sensor,
industrial control or process control applications.
The MCP3550/1/3 devices operate from -40°C to
+125°C and are available in the space-saving 8-pin
MSOP and SOIC packages.
Package Types:
VSS
VIN+
VIN-
SCK
VDD
SDO
CS
SINC
4
Internal
Serial
Interface
VREF
POR
Oscillator
3rd-Order
DS ADC
Modulator
w/ Internal
Calibration
VDD
RDY
VIN–
VIN+
MCP3550/1/3
VSS
CS
SDO/RDY
1
2
3
4
8
7
6
5 SCK
VDD
VREF
MSOP, SOIC
Low-Power, Single-Channel 22-Bit Delta-Sigma ADCs
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