ADM1276-3ACPZ-RL(Rev0) Просмотр технического описания (PDF) - Analog Devices

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Компоненты Описание

производитель

ADM1276-3ACPZ-RL
(Rev.:Rev0)

Hot Swap Controller and Digital Power and Energy Monitoring with PMBus Interface

Analog Devices 

ADM1276

Parameter

Address Set to 11

Input Current for Address 11

Symbol

SERIAL BUS DIGITAL INPUTS

(SDA, SCL)

Input High Voltage

Input Low Voltage

Output Low Voltage

Input Leakage

VIH

VIL

VOL

ILEAK-PIN

Nominal Bus Voltage

VDD

Capacitance for SDA, SCL CPIN

Pins

Input Glitch Filter

tSP

Min Typ

2

3

1.1

−10

−5

2.7

5

0

Max Unit Test Conditions/Comments

V Connect to VCAP

10 μA VADR = 2.0 V to VCAP; must not exceed the maximum allowable

current draw from VCAP

V

0.8 V

0.4 V

IOL = 4 mA

+10 μA

+5 μA Device is not powered

5.5 V 3 V to 5 V ± 10%

pF

50 ns

SERIAL BUS TIMING CHARACTERISTICS

Table 2.

Parameter

fSCLK

tBUF

Description

Clock frequency

Bus free time

tHD;STA

tSU;STA

tSU;STO

tHD;DAT

tSU;DAT

tLOW

tHIGH

tR

tF

Start hold time

Start setup time

Stop setup time

SDA hold time

SDA setup time

SCL low time

SCL high time

SCL, SDA rise time

SCL, SDA fall time

Min

Typ Max Unit

400 kHz

1.3

μs

4.7

μs

0.6

μs

0.6

μs

0.6

μs

300

900 ns

100

ns

1.3

μs

0.6

μs

20

300 ns

20

300 ns

Test Conditions/Comments

Following the stop condition of a read transaction

Following the stop condition of a write transaction

Timing Diagram

VIH

SCL VIL

VIH

SDA VIL

tBUF

P

S

tLOW

tR

tF

tHD;DAT

tHD;STA

tHIGH

tSU;STA

tSU;DAT

S

Figure 2. Serial Bus Timing Diagram

tSU;STO

P

Rev. 0 | Page 7 of 48

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