adc121c021eb National Semiconductor Corporation, adc121c021eb Datasheet - Page 8

• Manufacturer Part Number: adc121c021eb
• Description: Adc121c021/adc121c027 I2c-compatible, 12-bit Analog-to-digital Converter With Alert
• Manufacturer: National Semiconductor Corporation

www.national.com
t
t
t
t
C
t
fDA
rCL
rCL1
fCL
SP
Symbol
b
Fall time of SDA signal
Rise time of SCL signal
Rise time of SCL signal after a
repeated start condition and after an
acknowledge bit.
Fall time of a SCL signal
Capacitive load for each bus line (SCL
and SDA)
Pulse Width of spike suppressed
(Note
11)
Parameter
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, C
High Speed Mode, C
Fast Mode
High Speed Mode
Conditions
8
(Note
b
b
b
b
b
b
b
b
= 100pF
= 400pF
= 100pF
= 400pF
= 100pF
= 400pF
= 100pF
= 400pF
12)
(Note
Typical
9)
20+0.1C
20+0.1C
20+0.1C
20+0.1C
(Note
Limits
1000
1000
250
250
160
300
300
160
300
300
400
10
80
20
10
40
20
80
10
80
20
10
40
20
80
50
10
9)
b
b
b
b
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
ns (max)
pF (max)
ns (max)
ns (max)
(Limits)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
ns (min)
Units