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MCP3002-I/P 用户编程技术手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
AD转换器
封装:
PDIP-8
描述:
MICROCHIP MCP3002-I/P 模数转换器, AEC-Q100, 10 bit, 200 kSPS, 单, 2.7 V, 5.5 V, DIP
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MCP3002-I/P数据手册
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2000-2011 Microchip Technology Inc. DS21294E-page 1
MCP3002
Features
• 10-bit resolution
• ±1 LSB maximum DNL
• ±1 LSB maximum INL
• Analog inputs programmable as single-ended or
pseudo-differential pairs
• On-chip sample and hold
• SPI serial interface (modes 0,0 and 1,1)
• Single supply operation: 2.7V - 5.5V
• 200 ksps max sampling rate at V
DD
= 5V
• 75 ksps max sampling rate at V
DD
= 2.7V
• Low power CMOS technology:
- 5 nA typical standby current, 2 µA maximum
- 550 µA maximum active current at 5V
• Industrial temperature range: -40°C to +85°C
• 8-pin MSOP, PDIP, SOIC and TSSOP packages
Applications
• Sensor Interface
• Process Control
• Data Acquisition
• Battery Operated Systems
Functional Block Diagram
Description
The MCP3002 is a successive approximation 10-bit
analog-to-digital (A/D) converter with on-board sample
and hold circuitry.
The MCP3002 is programmable to provide a single
pseudo-differential input pair or dual single-ended
inputs. Differential Nonlinearity (DNL) and Integral
Nonlinearity (INL) are both specified at ±1 LSB. Com-
munication with the device is done using a simple serial
interface compatible with the SPI protocol. The device
is capable of conversion rates of up to 200 ksps at 5V
and 75 ksps at 2.7V.
The MCP3002 operates over a broad voltage range,
2.7V to 5.5V. Low-current design permits operation with
a typical standby current of 5 nA and a typical active
current of 375 µA.
The MCP3002 is offered in 8-pin MSOP, PDIP, TSSOP
and 150 mil SOIC packages.
Package Types
Comparator
Sample
and
Hold
10-Bit SAR
DAC
Control Logic
CS/SHDN
V
SS
V
DD
CLK D
OUT
Shift
Register
CH0
Channel
Mux
Input
CH1
D
IN
MCP3002
1
2
3
4
8
7
6
5
CH0
CH1
V
SS
CS/SHDN
V
DD
/V
REF
CLK
D
OUT
D
IN
MSOP, PDIP, SOIC, TSSOP
2.7V Dual Channel 10-Bit A/D Converter
with SPI Serial Interface
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