mcp3208t-ci-sl Microchip Technology Inc., mcp3208t-ci-sl Datasheet - Page 16

• Manufacturer Part Number: mcp3208t-ci-sl
• Description: 2.7v 4-channel/8-channel 12-bit A/d Converters With Spi Serial Interface
• Manufacturer: Microchip Technology Inc.

MCP3204/3208
FIGURE 5-1:
FIGURE 5-2:
DS21298D-page 16
CS
CLK
D
D
CS
CLK
D
D
IN
OUT
* After completing the data transfer, if further clocks are applied with CS low, the A/D converter will output zeros
indefinitely.
** t
high impedance node, leaving the CLK running to clock out LSB first data or zeroes.
* After completing the data transfer, if further clocks are applied with CS low, the A/D converter will output LSB
first data, followed by zeros indefinitely (see Figure 5-2 below).
** t
a high impedance node, leaving the CLK running to clock out the LSB-first data or zeros.
IN
OUT
DATA
DATA
: During this time, the bias circuit and the comparator power down while the reference input becomes a
: during this time, the bias current and the comparator power down while the reference input becomes
Start
Start
SGL/
DIFF
t
SUCS
HI-Z
D2
SGL/
DIFF
t
SUCS
HI-Z
Communication with the MCP3204 or MCP3208.
D1
Communication with MCP3204 or MCP3208 in LSB First Format.
D2
t
D0
SAMPLE
D1
Null
Bit
D0
t
(MSB)
SAMPLE
B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10B11
Null
Bit B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 B0*
t
CONV
t
CYC
Don’t Care
t
CONV
Don’t Care
t
CYC
Power Down
t
© 2007 Microchip Technology Inc.
DATA
t
CSH
t
DATA
**
**
Start
t
HI-Z
CSH
t
SGL/
DIFF
CYC
*
D2
HI-Z