ADC121C021CIMMX/NOPB National Semiconductor, ADC121C021CIMMX/NOPB Datasheet - Page 7

• Manufacturer Part Number: ADC121C021CIMMX/NOPB
• Description: IC ADC 12BIT I2C ALERT 8-MSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of ADC121C021CIMMX/NOPB

• Number Of Bits: 12
• Sampling Rate (per Second): 188.9k
• Data Interface: I²C, Serial
• Number Of Converters: 1
• Power Dissipation (max): 780µW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADC121C021CIMMX

CONVERSION RATE
f
DIGITAL TIMING SPECS (SCL, SDA)
f
t
t
t
t
t
t
t
t
t
CONV
SCL
LOW
HIGH
SU;DAT
HD;DAT
SU;STA
HD;STA
BUF
SU;STO
rDA
Symbol
A.C. and Timing Characteristics
The following specifications apply for V
T
A
= 25°C, unless otherwise specified.
Conversion Time
Conversion Rate
Serial Clock Frequency
SCL Low Time
SCL High Time
Data Setup Time
Data Hold Time
Setup time for a start or a repeated
start condition
Hold time for a start or a repeated start
condition
Bus free time between a stop and start
condition
Setup time for a stop condition
Rise time of SDA signal
Parameter
A
= +2.7V to +5.5V. Boldface limits apply for T
f
f
f
f
Standard Mode
Fast Mode
High Speed Mode, C
High Speed Mode, C
Standard Mode
Fast Mode
High Speed Mode, C
High Speed Mode, C
Standard Mode
Fast Mode
High Speed Mode, C
High Speed Mode, C
Standard Mode
Fast Mode
High Speed Mode
Standard Mode
Fast Mode
High Speed Mode, C
High Speed Mode, C
Standard Mode
Fast Mode
High Speed Mode
Standard Mode
Fast Mode
High Speed Mode
Standard Mode
Fast Mode
Standard Mode
Fast Mode
High Speed Mode
Standard Mode
Fast Mode
High Speed Mode, C
High Speed Mode, C
SCL
SCL
SCL
SCL
= 100kHz
= 400kHz
= 1.7MHz
= 3.4MHz
Conditions
(Note
7
(Note
14)
(Note
b
b
b
b
b
b
b
b
b
b
14)
= 100pF
= 400pF
= 100pF
= 400pF
= 100pF
= 400pF
= 100pF
= 400pF
= 100pF
= 400pF
12)
MIN
≤
(Note
Typical
188.9
5.56
22.2
94.4
T
A
1
≤
9)
T
MAX
and all other limits are at
20+0.1C
(Note
Limits
1000
3.45
100
400
160
320
120
250
100
150
160
160
160
300
160
3.4
1.7
4.7
1.3
4.0
0.6
0.9
4.7
0.6
4.0
0.6
4.7
1.3
4.0
0.6
60
10
70
10
80
20
0
0
0
0
9)
b
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MHz (max)
MHz (max)
kHz (max)
kHz (max)
us (max)
us (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
(Limits)
us (min)
us (min)
ns (min)
ns (min)
us (min)
us (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
us (min)
us (min)
ns (min)
ns (min)
us (min)
us (min)
ns (min)
us (min)
us (min)
ns (min)
us (min)
us (min)
us (min)
us (min)
ns (min)
ns (min)
ns (min)
ns (min)
Units
ksps
ksps
ksps
ksps
µs