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MCP3202-BI/SN 参数 Datasheet PDF下载

MCP3202-BI/SN图片预览
型号: MCP3202-BI/SN
PDF下载: 下载PDF文件 查看货源
内容描述: 2.7V双通道12位A / D转换器,带有SPI串行接口 [2.7V Dual Channel 12-Bit A/D Converter with SPI Serial Interface]
分类和应用: 转换器模数转换器光电二极管PC
文件页数/大小: 28 页 / 507 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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MCP3202
2.7V Dual Channel 12-Bit A/D Converter
with SPI Serial Interface
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
Package Types
PDIP, MSOP, SOIC, TSSOP
CS/SHDN
CH0
CH1
V
SS
1
2
3
4
8
7
6
5
V
DD
/V
REF
CLK
D
OUT
D
IN
Functional Block Diagram
V
DD
V
SS
MCP3202
CH0
CH1
Input
Channel
Mux
DAC
Comparator
Applications
Sensor Interface
Process Control
Data Acquisition
Battery Operated Systems
Sample
and
Hold
12-Bit SAR
Control Logic
Shift
Register
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.
CS/SHDN
D
IN
CLK
D
OUT
©
2006 Microchip Technology Inc.
DS21034D-page 1