MCP3008-I/SL Microchip Technology Inc., MCP3008-I/SL Datasheet - Page 16

• Manufacturer Part Number: MCP3008-I/SL
• Description: 10-BIT ADC, SPI, 8-CHANNEL
• Manufacturer: Microchip Technology Inc.

Specifications of MCP3008-I/SL

• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

MCP3004/3008
FIGURE 5-1:
FIGURE 5-2:
DS21295B-page 16
* 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 Figure 5-2 below.
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
IN
OUT
CS
CLK
D
D
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
Communication with the MCP3004 or MCP3008.
Communication with MCP3004 or MCP3008 in LSB First Format.
Start
Start
SGL/
DIFF
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
Don’t Care
Don’t Care
t
t
CYC
CONV
t
DATA
t
t
DATA
CSH
Power Down
**
2002 Microchip Technology Inc.
**
Start
HI-Z
t
SGL/
DIFF
CYC
*
t
HI-Z
CSH
D2