MCP3221A4T-E/OT Microchip Technology, MCP3221A4T-E/OT Datasheet - Page 3

• Manufacturer Part Number: MCP3221A4T-E/OT
• Description: ADC 12BIT I2C INTERFACE SOT23-5
• Manufacturer: Microchip Technology

Specifications of MCP3221A4T-E/OT

• Number Of Bits: 12
• Sampling Rate (per Second): 22.3k
• Data Interface: I²C, Serial
• Number Of Converters: 1
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SC-74A, SOT-753
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MCP3221A4T-E/OTTR

DC ELECTRICAL SPECIFICATIONS (CONTINUED)
TEMPERATURE SPECIFICATIONS
© 2006 Microchip Technology Inc.
Electrical Characteristics: Unless otherwise noted, all parameters apply at V
T
Power Requirements
Operating Voltage
Conversion Current
Standby Current
Active bus current
Conversion Rate
Conversion Time
Analog Input Acquisition Time
Sample Rate
Note 1:
Electrical Characteristics: Unless otherwise noted, all parameters apply at V
Temperature Ranges
Industrial Temperature Range
Extended Temperature Range
Operating Temperature Range
Storage Temperature Range
Thermal Package Resistances
Thermal Resistance, 5L-SOT23
AMB
= -40°C to +85°C, I
2:
3:
4:
5:
“Sample time” is the time between conversions once the address byte has been sent to the converter.
Refer to Figure 5-6.
This parameter is periodically sampled and not 100% tested.
R
SDA and SCL = V
t
SCL.
Parameters
ACQ
PU
Parameters
= Pull-up resistor on SDA and SCL.
and t
CONV
2
C Fast Mode Timing: f
are dependent on internal oscillator timing. See Figure 5-5 and Figure 5-6 for relation to
SS
to V
DD
t
f
Sym
CONV
I
I
t
SAMP
V
I
DDS
DDA
ACQ
at 400 kHz.
DD
DD
Symbol
θ
T
T
T
T
JA
A
A
A
A
SCL
Min
2.7
—
—
—
—
—
—
= 400 kHz (Note 3).
Min
-40
-40
-40
-65
—
0.005
8.96
1.12
Typ
175
—
—
—
Typ
256
—
—
—
—
Max
22.3
250
120
5.5
—
—
1
+125
+125
+150
Max
+85
—
DD
DD
Units
ksps
= 5.0V, V
= 5.0V, V
µA
µA
µA
µs
µs
V
Units
°C/W
°C
°C
°C
°C
SDA, SCL = V
Note 4
Note 5
Note 5
f
SCL
SS
SS
MCP3221
= GND, R
= 400 kHz (Note 1)
= GND.
Conditions
Conditions
DS21732C-page 3
DD
PU
= 2 kΩ