DS12R887-33 datasheet(8/22 Pages) DALLAS

Part #	DS12R887-33

Description	RTC with Constant-Voltage Trickle Charger

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Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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RTC with Constant-Voltage Trickle Charger

8

_____________________________________________________________________

Typical Operating Characteristics

(VCC = +3.3V, TA = +25°C, unless otherwise noted.)

OSCILLATOR FREQUENCY

vs. SUPPLY VOLTAGE

SUPPLY (V)

5.0

4.5

3.5

4.0

3.0

2.5

32767.92

32767.94

32767.96

32767.98

32768.00

32768.02

32768.04

32768.06

32768.08

32768.10

32767.90

2.0

5.5

IBACKUP vs. TEMPERATURE

(DS12R885)

TEMPERATURE (

°C)

65

50

-25

-10

5

20

35

475

500

525

550

575

600

625

650

450

-40

80

VCC = 0V,

VBACKUP = 3.0V

VBACKUP vs. VCC vs. IBACKUP

(DS12R885)

DS12R885 toc02

VCC

5.0

4.5

4.0

3.5

3.0

2.5

2.0

1.5

2.2

2.4

2.6

2.8

3.0

2.0

1.0

5.5

0

µA

-15

µA

-30

µA

-45

µA

-60

µA

IBACKUP vs. VBACKUP

(DS12R885)

VBACKUP (V)

2.8

2.5

2.3

575

600

625

550

2.0

3.0

VCC = 0V

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DS12R887-33 Datasheet(PDF) 8 Page - Dallas Semiconductor

DS12R887-33 Datasheet(HTML) 8 Page - Dallas Semiconductor

Similar Part No. - DS12R887-33

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