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MCP3304TI/P

Description
13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface
File Size631KB,40 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet View All

MCP3304TI/P Overview

13-Bit Differential Input, Low Power A/D Converter with SPI Serial Interface

M
Features
Full Differential Inputs
MCP3302: 2 Differential or 4 Single ended Inputs
MCP3304: 4 Differential or 8 Single ended Inputs
±1 LSB max DNL
±1 LSB max INL (MCP3302/04-B)
±2 LSB max INL (MCP3302/04-C)
Single supply operation: 2.7V to 5.5V
100 ksps sampling rate with 5V supply voltage
50 ksps sampling rate with 2.7V supply voltage
50 nA typical standby current, 1
µA
max
450
µA
max active current at 5V
Industrial temp range: -40°C to +85°C
14 and 16-pin PDIP, SOIC and TSSOP packages
MXDEV
TM
Evaluation kit available
MCP3302/04
General Description
The Microchip Technology Inc. MCP3302/04 13-bit A/D
converters feature full differential inputs and low power
consumption in a small package that is ideal for battery
powered systems and remote data acquisition applica-
tions. The MCP3302 is programmable to provide two
differential input pairs or four single ended inputs. The
MCP3304 is programmable and provides four differen-
tial input pairs or eight single ended inputs.
Incorporating a successive approximation architecture
with on-board sample and hold circuitry, these 13-bit
A/D converters are specified to have ±1 LSB Differen-
tial Nonlinearity (DNL); ±1 LSB Integral Nonlinearity
(INL) for B-grade and ±2 LSB for C-grade devices. The
industry-standard SPI™ serial interface enables 13-bit
A/D converter capability to be added to any PICmicro
®
microcontroller.
The MCP3302/04 devices feature low current design
that permits operation with typical standby and active
currents of only 50 nA and 300
µA,
respectively. The
devices operate over a broad voltage range of 2.7V to
5.5V and are capable of conversion rates of up to
100 ksps. The reference voltage can be varied from
400 mV to 5V, yielding input-referred resolution
between 98
µV
and 1.22 mV.
13-Bit Differential Input, Low Power A/D Converter
with SPI™ Serial Interface
Applications
• Remote Sensors
• Battery Operated Systems
• Transducer Interface
Package Types
PDIP, SOIC, TSSOP
CH0
CH1
CH2
CH3
NC
NC
DGND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
DD
V
REF
AGND
CLK
D
OUT
D
IN
CS/SHDN
The MCP3302 is available in 14-pin PDIP, 150 mil
SOIC and TSSOP packages. The MCP3304 is avail-
able in 16-pin PDIP and 150 mil SOIC packages. The
full differential inputs of these devices enable a wide
variety of signals to be used in applications such as
remote data acquisition, portable instrumentation and
battery operated applications.
MCP3302
PDIP, SOIC
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
DD
V
REF
AGND
CLK
D
OUT
D
IN
CS/SHDN
DGND
2002 Microchip Technology Inc.
MCP3304
DS21697B-page 1
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