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MCP3202-CI/SN 产品手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
AD转换器
封装:
SOIC-8
描述:
MICROCHIP MCP3202-CI/SN 模数转换器, AEC-Q100, 12 bit, 100 kSPS, 单, 2.7 V, 5.5 V, SOIC
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MCP3202-CI/SN数据手册
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© 2006 Microchip Technology Inc. DS21034D-page 1
MCP3202
Features
• 12-bit resolution
• ±1 LSB max DNL
• ±1 LSB max INL (MCP3202-B)
• ±2 LSB max INL (MCP3202-C)
• 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
• 100 ksps max. sampling rate at V
DD
= 5V
• 50 ksps max. sampling rate at V
DD
= 2.7V
• Low power CMOS technology
- 500 nA typical standby current, 5 μA max.
- 550 µA max. active current at 5V
• Industrial temp range: -40°C to +85°C
• 8-pin MSOP, PDIP, SOIC and TSSOP packages
Applications
• Sensor Interface
• Process Control
• Data Acquisition
• Battery Operated Systems
Description
The Microchip Technology Inc. MCP3202 is a succes-
sive approximation 12-bit Analog-to-Digital (A/D)
Converter with on-board sample and hold circuitry. The
MCP3202 is programmable to provide a single pseudo-
differential input pair or dual single-ended inputs. Differ-
ential Nonlinearity (DNL) is specified at ±1 LSB, and
Integral Nonlinearity (INL) is offered in ±1 LSB
(MCP3202-B) and ±2 LSB (MCP3202-C) versions.
Communication 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 100 ksps
at 5V and 50 ksps at 2.7V. The MCP3202 device oper-
ates over a broad voltage range (2.7V-5.5V). Low-
current design permits operation with typical standby
and active currents of only 500 nA and 375 μA, respec-
tively. The MCP3202 is offered in 8-pin MSOP, PDIP,
TSSOP and 150 mil SOIC packages.
Package Types
Functional Block Diagram
MCP3202
1
2
3
4
8
7
6
5
CH0
CH1
V
SS
CS/SHDN
V
DD
/V
REF
CLK
D
OUT
D
IN
PDIP, MSOP, SOIC, TSSOP
Comparator
Sample
and
Hold
12-Bit SAR
DAC
Control Logic
CS/SHDN
V
SS
V
DD
CLK
D
OUT
Shift
Register
CH0
Channel
Mux
Input
CH1
D
IN
2.7V Dual Channel 12-Bit A/D Converter
with SPI Serial Interface
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