AD5170 Analog Devices, AD5170 Datasheet - Page 5

• Manufacturer Part Number: AD5170
• Description: 256-Position Two-Time Programmable I2C Digital Potentiometer
• Manufacturer: Analog Devices

TIMING CHARACTERISTICS—2.5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ VERSIONS
Table 3. V
Parameter
I
1
2
2
See timing diagrams for locations of measured values
The maximum t
C INTERFACE TIMING CHARACTERISTICS
SCL Clock Frequency
t
t
t
t
t
t
t
t
t
t
BUF
HD;STA
LOW
HIGH
SU;STA
HD;DAT
SU;DAT
F
R
SU;STO
Fall Time of Both SDA and SCL Signals
Rise Time of Both SDA and SCL Signals
Bus Free Time between STOP and START
Low Period of SCL Clock
High Period of SCL Clock
Setup Time for Repeated START Condition
Setup Time for STOP Condition
Hold Time (Repeated START)
Data Setup Time
Data Hold Time
DD
= 5 V ± 10% or 3V ± 10%; V
HD;DAT
has only to be met if the device does not stretch the LOW period (t
2
1
(Specifications Apply to All Parts)
A
= V
DD
; V
B
= 0 V; –40°C < T
Symbol
f
t
t
t
t
t
t
t
t
t
t
SCL
1
2
3
4
5
6
7
8
9
10
Rev. 0 | Page 5 of 24
Conditions
After this period, the first clock
pulse is generated.
A
LOW
< +125°C; unless otherwise noted
) of the SCL signal.
Min
1.3
0.6
1.3
0.6
0.6
100
0.6
Typ
Max
400
0.9
300
300
AD5170
Unit
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
µs