Datasheet

ADC128D818
SNAS483E –FEBRUARY 2010–REVISED MARCH 2013 www.ti.com
AC Electrical Characteristics
The following specifications apply for +3.0 V
DC
≤ V
+
≤ +5.5 V
DC
, unless otherwise specified. Boldface limits apply for T
A
=
T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= 25°C.
Symbol Parameter Conditions Min
(1)
Typical
(2)
Max
(1)
Units
SERIAL BUS TIMING CHARACTERISTICS
t
1
SCL (Clock) Period 2.5 100 µs
t
2
Data In Setup Time to SCL High 100 ns
t
3
Data Out Stable After SCL Low 0 ns
t
4
SDA Low Setup Time to SCL Low (start) 100 ns
t
5
SDA High Hold Time After SCL High (stop) 100 ns
t
TIMEOUT
SCL or SDA time low for I
2
C bus reset 25 35 ms
(1) Limits are ensured to AOQL (Average Outgoing Quality Level).
(2) Typicals are at T
J
= T
A
= 25°C and represent most likely parametric normal.
Figure 1. Serial Bus Timing Diagram
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