ADM1032

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4

Table 4. ELECTRICAL CHARACTERISTICS

Parameter

Unit

Max

Typ

Min

Conditions

Serial Bus Timing (Note 2)

Clock Frequency

−

−

400

kHz

SMBus Timeout (Note 3)

−

25

64

ms

1.3

−

−

ms

0.6

−

−

ms

600

−

−

ns

Time from 10% of SDATA to 90% of SCLK

600

−

−

ns

Time from 90% of SCLK to 10% of SDATA

600

−

−

ns

Data Valid to SCLK Rising Edge Time,

Time for 10% or 90% of SDATA to 10% of SCLK

100

−

−

ns

300

−

−

ns

Between Start/Stop Condition

1.3

−

−

ms

−

−

300

ns

−

−

300

ns

1. See Table 10 for information on other conversion rates.

2. Guaranteed by design, not production tested.

3. The SMBus timeout is a programmable feature. By default, it is not enabled. Details on how to enable it are available in the Serial Bus Interface

section.

Figure 2. Serial Bus Timing Diagram

P

S

PS

SCLK

SDATA