MCP3008-I/P Microchip Technology, MCP3008-I/P Datasheet - Page 20

• 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 5-1:
FIGURE 5-2:
DS21295D-page 20
* After completing the data transfer, if further clocks are applied with CS low, the A/D converter will output LSB
** t
* After completing the data transfer, if further clocks are applied with CS low, the A/D converter will output zeros
** t
first data, then followed with zeros indefinitely. See
indefinitely.
a high-impedance node.
a high-impedance node, leaving the CLK running to clock out LSB first data or zeroes.
DATA
DATA
CS
CLK
D
D
CS
CLK
D
D
IN
OUT
IN
OUT
: during this time, the bias current and the comparator powers down while the reference input becomes
: During this time, the bias circuit and the comparator powers down while the reference input becomes
Start
Start
SGL/
DIFF
Communication with the MCP3004 or MCP3008.
Communication with MCP3004 or MCP3008 in LSB First Format.
SGL/
DIFF
t
t
SUCS
SUCS
HI-Z
D2
HI-Z
D2
D1
D0
t
D1
SAMPLE
D0
t
SAMPLE
Null
Bit
(MSB)
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9
Null
Bit B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 *
t
CONV
t
CYC
Figure 5-2
Don’t Care
Don’t Care
t
t
CYC
CONV
below.
t
DATA
Power Down
t
t
DATA
CSH
**
© 2008 Microchip Technology Inc.
**
Start
HI-Z
t
SGL/
DIFF
CYC
*
t
HI-Z
CSH
D2