MCP3008-I/P Microchip Technology, MCP3008-I/P Datasheet - Page 18

• Manufacturer Part Number: MCP3008-I/P
• Description: IC ADC 10BIT 2.7V 8CH SPI 16-DIP
• Manufacturer: Microchip Technology

Specifications of MCP3008-I/P

• Data Interface: Serial, SPI™
• Number Of Bits: 10
• Sampling Rate (per Second): 200k
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)
• Resolution (bits): 10bit
• Sampling Rate: 200kSPS
• Input Channel Type: Pseudo Differential, Single Ended
• Supply Voltage Range - Analog: 2.7V To 5.5V
• Supply Current: 425µA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MCP3004/3008
FIGURE 6-1:
FIGURE 6-2:
DS21295B-page 18
MCU Transmitted Data
(Aligned with falling
edge of clock)
MCU Received Data
(Aligned with rising
edge of clock)
X = “Don’t Care” Bits
X = “Don’t Care” Bits
MCU Received Data
(Aligned with rising
edge of clock)
MCU Transmitted Data
MCU Transmitted Data
(Aligned with falling
edge of clock)
SCLK
D
SCLK
D
OUT
D
CS
OUT
D
IN
CS
IN
converter on rising edges of SCLK
MCU latches data from A/D
MCU latches data from A/D converter
on rising edges of SCLK
1
0
?
1
SPI Communication with the MCP3004/3008 using 8-bit segments (Mode 0,0: SCLK idles low).
SPI Communication with the
?
0
Data stored into MCU receive
register after transmission of first
8 bits
Data stored into MCU receive
register after transmission of first
8 bits
2
0
?
2
?
0
3
0
3
?
?
0
4
HI-Z
0
4
?
?
0
5
0
5
?
?
0
0
6
Data is clocked out of A/D
converter on falling edges
Data is clocked out of
A/D converter on falling edges
6
?
?
HI-Z
0
0
7
7
?
Start
?
Start
0
Bit
1
8
Start
?
Start
?
Bit
1
8
SGL/
DIFF
MCP3004/3008
DIFF
SGL
SGL/
DIFF
9
9
SGL/
DIFF
?
?
/
Data stored into MCU receive
register after transmission of
second 8 bits
Data stored into MCU receive
register after transmission of
second 8 bits
D2
D2
D2
10 11 12 13 14 15 16
10 11 12 13 14 15
?
?
D2
D1
D1
D1
?
?
D1
DO
DO
DO
using 8-bit segments (Mode 1,1: SCLK idles high).
?
?
DO
X
?
?
NULL
NULL
BIT B9 B8
X
BIT B9
(Null)
X
(Null)
0
0
X
X
B9 B8
B9 B8
X
X
B8
16
X
B7
Don’t Care
B7
X
17 18 19 20 21 22 23 24
17 18 19
B7 B6 B5 B4 B3 B2 B1 B0
B7 B6 B5 B4 B3 B2 B1 B0
Data stored into MCU receive
register after transmission of last
8 bits
Data stored into MCU receive
register after transmission of last
8 bits
X
X
B6 B5 B4 B3 B2 B1 B0
B6 B5 B4 B3 B2 B1 B0
Don’t Care
2002 Microchip Technology Inc.
X
X
X
X
20 21 22 23
X
X
X
X
X
X
X
X
24
X