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ISL12082 데이터시트 PDF




Intersil에서 제조한 전자 부품 ISL12082은 전자 산업 및 응용 분야에서
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부품번호 ISL12082 기능
기능 Real Time Clock
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ISL12082 데이터시트, 핀배열, 회로
ISL12082
I2C-BusReal Time Clock with Two Interrupts, Alarm, and Timer
Data Sheet
September 25, 2015
FN6731.4
Low Power RTC with Battery ReSeal,
2 IRQs, Hundredths of a Second Time,
and Crystal Compensation
The ISL12082 device is a low power real time clock with
timing and crystal compensation, clock/calendar, power fail
indicator, 2 IRQs, periodic or polled alarm, timer/watchdog,
and intelligent battery backup switching.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, seconds and hundredths of a second. The
device has calendar registers for date, month, year and day
of the week. The calendar is accurate through 2099, with
automatic leap year correction.
Pinouts
ISL12082
(8 LD SOIC)
TOP VIEW
X1
X2
GND
IRQ2
1
2
3
4
8
7
6
5
VDD
IRQ1/fOUT
SCL
SDA
ISL12082
(10 LD MSOP)
TOP VIEW
X1 1
X2 2
VBAT
3
GNNODLONGE4R
AVAILABLE
10
OR9
8
7
SUPPVIRODRQDT1E/fDOUT
SCL
SDA
NC 5
6 IRQ2
Features
• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, Seconds, and
Hundredths of a Second
- Day of the Week, Day, Month, and Year
• 4 Selectable Frequency Outputs
• Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
• Timer
- 4 Selectable Timer Functions
- 4 Selectable Timer Clock Frequencies
- Single Event or Pulse Interrupt Mode
• Automatic Backup to Battery or Supercapacitor
• Power Failure Detection
• Battery ReSeal
• On-Chip Oscillator Compensation
• I2C Interface
- 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Small Package Options
- 8 Ld SOIC Package
- 10 Ld MSOP Package
• Pb-Free (RoHS Compliant)
Applications
• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set-Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• Office Automation (Copiers, Fax)
• Home Appliances
• Computer Products
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas LLC.
I2C Bus™ is a trademark owned by NXP Semiconductors Netherlands, B.V. Copyright Intersil Americas LLC. 2008, 2015. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.




ISL12082 pdf, 반도체, 판매, 대치품
ISL12082
Absolute Maximum Ratings
Voltage on VDD, VBAT, SCL, SDA, IRQ1/fOUT and IRQ2 Pins
(respect to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6.5V
Voltage on X1 and X2 Pins
(respect to GND) . . . . . . . . . . . . .-0.5V to VDD + 0.5 (VDD Mode)
-0.5V to VBAT + 0.5 (VBAT Mode)
Thermal Information
Thermal Resistance (Typical, Note 1)
JA (°C/W)
8 Ld SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120
10 Ld MSOP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
152
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
1. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
DC Operating Characteristics - RTC
Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
(Note 6) (Note 5) (Note 6)
VDD
VBAT
IDD1
Main Power Supply
Battery Supply Voltage
Supply Current
IDD2
Supply Current With I2C Active
IDD3
Supply Current (Low Power Mode)
IBAT
Battery Supply Current
ILI Input Leakage Current on SCL
ILO I/O Leakage Current on SDA
VTRIP
VBAT Mode Threshold
VTRIPHYS
VTRIP Hysteresis
VBATHYS
VBAT Hysteresis
IRQ1/fOUT and IRQ2
VOL Output Low Voltage
VDD = 5V
VDD = 3V
VDD = 5V
VDD = 5V, LPMODE = 1
VBAT = 3V, +25°C
VDD = 5V
IOL = 3mA
VDD = 2.7V
IOL = 1mA
2.7 5.5
1.8 5.5
2.8 6
1.6 4
40 120
2.3 5
800 950
-1 0.1 +1
-1 0.1 +1
1.8 2.15 2.4
36
53
0.02 0.4
0.02 0.4
UNITS
V
V
µA
µA
µA
µA
nA
µA
µA
V
mV
mV
V
V
NOTES
2, 3
2, 3
2
2, 9
9
7, 9
7, 9
Power-Down Timing
Timing Temperature = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
(Note 6) (Note 5) (Note 6)
VDD SR-
VDD Negative Slewrate
5
UNITS
V/ms
NOTES
4, 9
Serial Interface Specifications Over the recommended operating conditions, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX
(Note 6) (Note 5) (Note 6)
VIL SDA and SCL Input Buffer LOW
Voltage
VIH SDA and SCL Input Buffer HIGH
Voltage
Hysteresis SDA and SCL Input Buffer
Hysteresis
VOL SDA Output Buffer LOW Voltage,
Sinking 3mA
-0.3
0.7 x
VDD
0
0.05 x
VDD
0.02
0.3 x
VDD
VDD +
0.3
0.4
UNITS
V
V
V
V
NOTES
7, 8
4 FN6731.4
September 25, 2015

4페이지










ISL12082 전자부품, 판매, 대치품
ISL12082
Typical Performance Curves Temperature is +25°C unless otherwise specified
0.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VBAT (V)
FIGURE 1. IBAT vs VBAT
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
0.55
0.50
-40
-20
0 20 40 60 80
TEMPERATURE (°C)
FIGURE 2. IBAT vs TEMPERATURE AT VBAT = 3V
3.5
VDD = 5V
3.0
2.5
2.0
1.5 VDD = 3.3V
1.0
-40
-20 0
20 40 60
VDD (V)
FIGURE 3. IDD1 vs TEMPERATURE
80
3.5
3.0
2.5
LP MODE OFF
2.0
1.5
LP MODE ON
1.0
0.5
1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3
VCC (V)
FIGURE 4. IDD1 vs VCC WITH LPMODE ON AND OFF
3.5 4.5
2.5 3.5
1.5
1
512
4096
32768
FOUT (Hz)
FIGURE 5. IDD1 vs fOUT AT VDD = 3.3V
2.5
1
512 4096
FOUT (Hz)
32768
FIGURE 6. IDD1 vs fOUT AT VDD = 5V
7 FN6731.4
September 25, 2015

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관련 데이터시트

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ISL12082

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