MCP3004T MICROCHIP [Microchip Technology], MCP3004T Datasheet

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MCP3004T

Manufacturer Part Number
MCP3004T
Description
2.7V 4-Channel/8-Channel 10-Bit A/D Converters with SPI Serial Interface
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP3004T-E/SL
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Part Number:
MCP3004T-I/SL
Manufacturer:
MICROCHIP
Quantity:
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0
Features
• 10-bit resolution
• ± 1 LSB max DNL
• ± 1 LSB max INL
• 4 (MCP3004) or 8 (MCP3008) input channels
• Analog inputs programmable as single-ended or
• 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
• 75 ksps max. sampling rate at V
• Low power CMOS technology
• 5 nA typical standby current, 2 µA max.
• 500 µA max. active current at 5V
• Industrial temp range: -40°C to +85°C
• Available in PDIP, SOIC and TSSOP packages
Applications
• Sensor Interface
• Process Control
• Data Acquisition
• Battery Operated Systems
Functional Block Diagram
© 2008 Microchip Technology Inc.
pseudo-differential pairs
* Note: Channels 4-7 are available on MCP3008 Only
CH7*
CH0
CH1
Channel
2.7V 4-Channel/8-Channel 10-Bit A/D Converters
Input
Max
Sample
Hold
and
CS/SHDN
Control Logic
V
DAC
REF
Comparator
D
IN
CLK
DD
with SPI Serial Interface
DD
= 2.7V
= 5V
10-Bit SAR
Register
V
D
Shift
DD
OUT
V
SS
MCP3004/3008
Description
The
devices are successive approximation 10-bit Analog-
to-Digital (A/D) converters with on-board sample and
hold circuitry. The MCP3004 is programmable to
provide two pseudo-differential input pairs or four
single-ended inputs. The MCP3008 is programmable
to provide four pseudo-differential input pairs or eight
single-ended inputs. Differential Nonlinearity (DNL)
and Integral Nonlinearity (INL) are specified at ±1 LSB.
Communication with the devices is accomplished using
a simple serial interface compatible with the SPI
protocol. The devices are capable of conversion rates
of up to 200 ksps. The MCP3004/3008 devices operate
over a broad voltage range (2.7V - 5.5V). Low-current
design permits operation with typical standby currents
of only 5 nA and typical active currents of 320 µA. The
MCP3004 is offered in 14-pin PDIP, 150 mil SOIC and
TSSOP packages, while the MCP3008 is offered in 16-
pin PDIP and SOIC packages.
Package Types
Microchip
PDIP, SOIC, TSSOP
PDIP, SOIC
Technology
DGND
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH0
CH1
CH2
CH3
NC
NC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
Inc.
16
15
14
13
12
11
10
14
13
12
10
11
9
9
8
V
V
AGND
CLK
D
D
CS/SHDN
DGND
DS21295D-page 1
V
V
AGND
CLK
D
D
CS/SHDN
DD
REF
MCP3004/3008
OUT
IN
DD
REF
OUT
IN

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MCP3004T Summary of contents

Page 1

A/D Converters with SPI Serial Interface Features • 10-bit resolution • ± 1 LSB max DNL • ± 1 LSB max INL • 4 (MCP3004 (MCP3008) input channels • Analog inputs programmable as single-ended or ...

Page 2

MCP3004/3008 NOTES: DS21295D-page 2 © 2008 Microchip Technology Inc. ...

Page 3

ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings † V ..................................................................................7.0V DD All Inputs and Outputs w.r.t. V ............– 0. Storage Temperature ................................... –65°C to +150°C Ambient temperature with power applied.......–65°C to +150°C Soldering temperature of leads (10 seconds) ...

Page 4

MCP3004/3008 ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise noted, all parameters apply -40°C to +85° 200 ksps and f A SAMPLE +25° Parameter Leakage Current Switch Resistance ...

Page 5

ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise noted, all parameters apply -40°C to +85° 200 ksps and f A SAMPLE +25° Parameter Power Requirements Operating Voltage Operating ...

Page 6

MCP3004/3008 1.4V 3 kΩ Test Point D OUT C = 100 pF L Voltage Waveforms for OUT tF tR Voltage Waveforms for t DO CLK OUT FIGURE 1-2: Load Circuit for t DS21295D-page 6 ...

Page 7

TYPICAL PERFORMANCE CHARACTERISTICS The graphs and tables provided following this note are a statistical summary based on a limited number of Note: samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or ...

Page 8

MCP3004/3008 Note: Unless otherwise indicated 0.6 0.4 Positive INL 0.2 0.0 -0.2 Negative INL -0.4 -0.6 -50 - Temperature (°C) FIGURE 2-7: Integral Nonlinearity (INL) vs. Temperature. 0.6 0.4 0.2 Positive DNL 0.0 Negative DNL ...

Page 9

Note: Unless otherwise indicated 1 REF 0 200 ksps SAMPLE 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 0 128 256 384 512 640 Digital Code FIGURE 2-13: ...

Page 10

MCP3004/3008 Note: Unless otherwise indicated 0 2 REF -0 ksps SAMPLE -0.2 -0.3 -0 REF f = 200 ksps SAMPLE -0.5 -0.6 ...

Page 11

Note: Unless otherwise indicated 10. REF ksps SAMPLE 9.50 9. REF f = 200 ksps SAMPLE 9.00 0.0 0.5 1.0 ...

Page 12

MCP3004/3008 Note: Unless otherwise indicated 550 500 450 400 350 300 250 200 150 REF DD All points 3.6 MHz except 100 CLK 2 ...

Page 13

Note: Unless otherwise indicated REF 2.0 2.5 3.0 3.5 4.0 4.5 V (V) DD FIGURE 2-37 DDS DD 100.00 V ...

Page 14

MCP3004/3008 NOTES: DS21295D-page 14 © 2008 Microchip Technology Inc. ...

Page 15

PIN DESCRIPTIONS The descriptions of the pins are listed in Additional descriptions of the device pins follows. TABLE 3-1: PIN FUNCTION TABLE MCP3004 MCP3008 PDIP, SOIC, PDIP, SOIC TSSOP – 5 ...

Page 16

MCP3004/3008 NOTES: DS21295D-page 16 © 2008 Microchip Technology Inc. ...

Page 17

DEVICE OPERATION The MCP3004/3008 A/D converters conventional SAR architecture. With this architecture, a sample is acquired on an internal sample/hold capacitor for 1.5 clock cycles starting on the first rising edge of the serial clock once CS has been ...

Page 18

MCP3004/3008 V CHx PIN Legend VA = Signal Source = Source Impedance R SS CHx = Input Channel Pad = Input Pin Capacitance C PIN = Threshold Voltage V T FIGURE 4-1: Analog Input ...

Page 19

SERIAL COMMUNICATION Communication with the MCP3004/3008 devices is accomplished using a standard SPI-compatible serial interface. Initiating communication with either device is done by bringing the CS line low (see Figure device was powered up with the CS pin low, ...

Page 20

MCP3004/3008 CS t SUCS CLK Start IN SGL/ DIFF HI-Z D OUT t * After completing the data transfer, if further clocks are applied with CS low, the A/D converter will output LSB first data, then ...

Page 21

APPLICATIONS INFORMATION 6.1 Using the MCP3004/3008 with Microcontroller (MCU) SPI Ports With most microcontroller SPI ports required to send groups of eight bits also required that the microcontroller SPI port be configured to clock out ...

Page 22

MCP3004/3008 MCU latches data from A/D converter CS on rising edges of SCLK SCLK Data is clocked out of A/D converter on falling edges D IN HI-Z D OUT MCU Transmitted Data (Aligned with ...

Page 23

Layout Considerations When laying out a printed circuit board for use with analog components, care should be taken to reduce noise wherever possible. A bypass capacitor should always be used with this device and should be placed as close ...

Page 24

MCP3004/3008 NOTES: DS21295D-page 24 © 2008 Microchip Technology Inc. ...

Page 25

PACKAGING INFORMATION 7.1 Package Marking Information 14-Lead PDIP (300 mil) XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN 14-Lead SOIC (150 mil) XXXXXXXXXXX XXXXXXXXXXX YYWWNNN 14-Lead TSSOP (4.4mm) * XXXXXXXX YYWW NNN Legend: XX...X Customer-specific information Y Year code (last digit of calendar year) ...

Page 26

MCP3004/3008 Package Marking Information (Continued) 16-Lead PDIP (300 mil) (MCP3008) XXXXXXXXXXXXXX XXXXXXXXXXXXXX YYWWNNN 16-Lead SOIC (150 mil) (MCP3008) XXXXXXXXXXXXX XXXXXXXXXXXXX YYWWNNN DS21295D-page 26 Example: MCP3008-I 0819256 Example: MCP3008 I/ XXXXXXXXXX 0819256 © 2008 Microchip Technology ...

Page 27

Microchip Technology Inc. MCP3004/3008 PLO %RG\ >3',3@ DS21295D-page 27 ...

Page 28

MCP3004/3008 /HDG 3ODVWLF 6PDOO 2XWOLQH 6/ ± 1DUURZ 1RWH 1RWHV DS21295D-page 28 PP %RG\ >62,&@ φ β © 2008 Microchip Technology Inc. α ...

Page 29

Microchip Technology Inc. MCP3004/3008 PP %RG\ >62,&@ DS21295D-page 29 ...

Page 30

MCP3004/3008 /HDG 3ODVWLF 7KLQ 6KULQN 6PDOO 2XWOLQH 67 ± 1RWH 1RWHV DS21295D-page 30 PP %RG\ >76623@ I © 2008 Microchip Technology Inc. φ ...

Page 31

Microchip Technology Inc. MCP3004/3008 PLO %RG\ >3',3@ DS21295D-page 31 ...

Page 32

MCP3004/3008 /HDG 3ODVWLF 6PDOO 2XWOLQH 6/ ± 1DUURZ 1RWH 1RWHV DS21295D-page 32 PP %RG\ >62,&@ α φ β © 2008 Microchip Technology Inc. ...

Page 33

Microchip Technology Inc. MCP3004/3008 DS21295D-page 33 ...

Page 34

MCP3004/3008 NOTES: DS21295D-page 34 © 2008 Microchip Technology Inc. ...

Page 35

APPENDIX A: REVISION HISTORY Revision D (December 2008) The following is the list of modifications: 1. Updates to Section 7.0 “Packaging Informa- tion”. Revision C (January 2007) The following is the list of modifications: 1. Updates to the packaging diagrams. ...

Page 36

MCP3004/3008 NOTES: DS21295D-page 36 © 2008 Microchip Technology Inc. ...

Page 37

... To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO. X Device Temperature Range MCP3004: 4-Channel 10-Bit Serial A/D Converter Device MCP3004T: 4-Channel 10-Bit Serial A/D Converter (Tape and Reel) MCP3008: 8-Channel 10-Bit Serial A/D Converter MCP3008T: 8-Channel 10-Bit Serial A/D Converter (Tape and Reel -40°C to +85°C ...

Page 38

MCP3004/3008 NOTES: DS21295D-page 38 © 2008 Microchip Technology Inc. ...

Page 39

Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families ...

Page 40

W ORLDWIDE AMERICAS ASIA/PACIFIC Corporate Office Asia Pacific Office 2355 West Chandler Blvd. Suites 3707-14, 37th Floor Chandler, AZ 85224-6199 Tower 6, The Gateway Tel: 480-792-7200 Harbour City, Kowloon Fax: 480-792-7277 Hong Kong Technical Support: Tel: 852-2401-1200 http://support.microchip.com Fax: 852-2401-3431 ...

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