MCP3002-I/SN Microchip Technology, MCP3002-I/SN Datasheet - Page 18

• Manufacturer Part Number: MCP3002-I/SN
• Description: IC ADC 10BIT 2.7V 2CH SPI 8-SOIC
• Manufacturer: Microchip Technology

Specifications of MCP3002-I/SN

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Number Of Bits: 10
• Sampling Rate (per Second): 200k
• Data Interface: Serial, SPI™
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Architecture: SAR
• Conversion Rate: 200 KSPs
• Input Type: Voltage
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

MCP3002
FIGURE 5-1:
FIGURE 5-2:
DS21294D-page 18
CS
CLK
D
CS
CLK
D
D
D
OUT
IN
OUT
IN
* 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
zeros indefinitely. See
** t
becomes a high-impedance node.
DATA
DATA
: During this time, the bias circuit and the comparator powers down while the reference input becomes a
: during this time, the bias current and the comparator powers down while the reference input
t
SAMPLE
HI-Z
t
SUCS
t
SAMPLE
t
Communication with the MCP3002 using MSB first format only.
Communication with MCP3002 using LSB first format.
SUCS
HI-Z
Figure 5-2
Null
Bit B9 B8 B7 B6 B5 B4 B3 B2 B1 B0 B1 B2 B3 B4 B5 B6 B7* B8 B9
(MSB)
Null
Bit B9 B8 B7 B6 B5 B4 B3 B2
for details on obtaining LSB first data.
t
CONV
t
CYC
t
CONV
t
CYC
Don’t Care
Don’t Care
B1 B0*
t
t
DATA
CSH
© 2008 Microchip Technology Inc.
Power Down
**
t
DATA
**
HI-Z
t
CSH
t
CYC
ODD/
SIGN
HI-Z