ADP1055ACPZ-R7 datasheet(8/140 Pages) AD

8 / 140 page

ADP1055

Data Sheet

Rev. A | Page 8 of 140

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

Measurement Accuracy for

External Temperature Sensor

With BC847A transistor (nf = 1.00);

Forward Temperature Sensor

Error from −40°C to +25°C

−11.7

+13.4

°C

Error from 25°C to 125°C

−8.9

+14.7

°C

Reverse Temperature Sensor

Error from 25°C to 125°C

−9.7

+14.4

°C

CTRL, SMBALRT, SYNC, GPIO1 TO

GPIO4, ISHARE PINS

Digital inputs/outputs

Input Low Voltage

VIL

0.8

Input High Voltage

VIH

VDD − 0.8

Propagation Delay

GPIOx Rise Time

GPIOx configured as an output

3.5

GPIOx Fall Time

GPIOx configured as an output

1.5

Leakage Current

SMBALRT, SYNC, GPIO1 TO GPIO4, and

ISHARE pins

1.0

μA

CTRL pin

10.0

μA

SYNC PIN

Synchronization to external frequency

1000

kHz

Minimum On Pulse

Synchronization Range2

−10.0

+10.0

% fSW

Leakage Current

1.0

μA

BLACK BOX PROGRAMMING TIME

1.2

36 × 1.2

SDA/SCL PINS

Input Low Voltage

VIL

0.8

Input High Voltage

VIH

2.1

Output Low Voltage

VOL

0.4

Leakage Current

1.0

μA

SERIAL BUS TIMING

See Figure 3

Clock Operating Frequency

100

400

kHz

Bus Free Time

tBUF

Between stop and start conditions

1.3

μs

Start Hold Time

tHD;STA

Hold time after (repeated) start condition;

after this period, the first clock is generated

0.6

μs

Start Setup Time

tSU;STA

Repeated start condition setup time

0.6

μs

Stop Setup Time

tSU;STO

0.6

μs

SDA Setup Time

tSU;DAT

100

SDA Hold Time

tHD;DAT

For write and for readback

300

SCL Low Timeout

tTIMEOUT

SCL Low Period

tLOW

1.3

μs

SCL High Period

tHIGH

0.6

μs

Clock Low Extend Time

tLO;SEXT

SCL, SDA Fall Time

300

SCL, SDA Rise Time

300

EEPROM RELIABILITY

Endurance3

TJ = 85°C

10,000

Cycles

TJ = 125°C

1000

Cycles

Data Retention4

TJ = 85°C

Years

TJ = 125°C

Years

1 Differential voltage from CS2+ to CS2−.

2 fSW is the switching frequency set in Register 0x33.

3 Endurance is qualified as per JEDEC Standard 22, Method A117, and is measured at −40°C, +25°C, +85°C, and +125°C.

4 Retention lifetime equivalent at junction temperature (TJ) = 85°C as per JEDEC Standard 22, Method A117. Retention lifetime derates with junction temperature.

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