MCP3221 Microchip Technology, MCP3221 Datasheet - Page 4

• Manufacturer Part Number: MCP3221
• Description: Low Power 12-Bit A/D Converter With I2C Interface
• Manufacturer: Microchip Technology

MCP3221
TIMING SPECIFICATIONS
FIGURE 1-1:
DS21732B-page 4
Electrical Characteristics: All parameters apply at V
I
Clock frequency
Clock high time
Clock low time
SDA and SCL rise time
SDA and SCL fall time
START condition hold time
START condition setup time
Data input setup time
STOP condition setup time
STOP condition hold time
Output valid from clock
Bus free time
Input filter spike suppression
I
Clock frequency
Clock high time
Clock low time
SDA and SCL rise time
SDA and SCL fall time
START condition hold time
START condition setup time
Data input hold time
Data input setup time
STOP condition setup time
STOP condition hold time
Output valid from clock
Bus free time
Input filter spike suppression
Note 1:
2
2
C Standard Mode
C Fast Mode
SCL
SDA
IN
SDA
OUT
2:
Parameters
This parameter is periodically sampled and not 100% tested.
Time the bus must be free before a new transmission can start.
T
T
SP
SU:STA
Standard and Fast Mode Bus Timing Data.
T
HD:STA
T
F
T
T
T
T
T
T
T
T
T
T
T
T
LOW
T
T
T
HD:STA
SU:DAT
SU:STO
HD:STD
T
HD:STA
HD:DAT
SU:DAT
SU:STO
HD:STD
SU:STA
T
F
SU:STA
T
Sym
f
T
T
T
T
SCL
HIGH
HIGH
LOW
T
LOW
T
T
BUF
SCL
T
BUF
AA
SP
AA
SP
R
R
F
F
20 + 0.1C
20 + 0.1C
T
T
HIGH
HD:DAT
4000
4700
4000
4700
4000
4000
4700
1300
1300
Min
250
600
600
600
100
600
600
DD
—
—
—
—
—
—
0
0
0
= 2.7V - 5.5V, V
B
B
T
AA
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
SS
T
1000
3500
Max
100
300
400
300
300
900
= GND, T
0.9
SU:DAT
50
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
V
Units
HYS
kHz
kHz
AMB
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
T
= -40°C to +85°C.
SU:STO
From V
From V
Note 2
SDA and SCL pins (Note 1)
From V
From V
Note 2
SDA and SCL pins (Note 1)
T
R
2003 Microchip Technology Inc.
IL
IL
IL
IL
to V
to V
to V
to V
Conditions
IH
IH
IH
IH
(Note 1)
(Note 1)
(Note 1)
(Note 1)
T
BUF