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ISL12022 Datasheet, PDF (3/28 Pages) Intersil Corporation – Real Time Clock with On Chip ±5ppm Temp Compensation
ISL12022
Absolute Maximum Ratings
Voltage on VDD, VBAT and IRQ/FOUT pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on SCL and SDA pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD + 0.3V
Voltage on X1 and X2 pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.5V
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3014) . . . . .>3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>300V
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (°C/W)
8 Ld SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
110
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-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. θJA 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 Test Conditions: VDD = +2.7 to +5.5V, TA = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
(Note 9) (Note 5) (Note 9)
VDD
VBAT
IDD1
IDD2
IDD3
IBAT
Main Power Supply
Battery Supply Voltage
Supply Current. (I2C not Active,
Temperature Conversion not Active,
FOUT not Active)
Supply Current. (I2C Active,
Temperature Conversion not Active,
FOUT not Active)
Supply Current. (I2C not Active,
Temperature Conversion Active,
FOUT not Active)
Battery Supply Current
IBATLKG
ILI
ILO
VBATM
VPBM
VTRIP
VTRIPHYS
VBATHYS
ΔFoutT
ΔFoutV
ΔATLSB
Temp
Battery Input Leakage
Input Leakage Current on SCL
I/O Leakage Current on SDA
Battery Level Monitor Threshold
Brownout Level Monitor Threshold
VBAT Mode Threshold
VTRIP Hysteresis
VBAT Hysteresis
Oscillator Stability vs Temperature
Oscillator Stability vs Voltage
AT Sensitivity per LSB
Temperature Sensor Accuracy
IRQ/FOUT (OPEN DRAIN OUTPUT)
VOL
Output Low Voltage
(Note 11)
(Note 11)
VDD = 5V
VDD = 3V
VDD = 5V
VDD = 5V
VDD = 0V, VBAT = 3V, TA = +25°C
VDD = 0V, VBAT = 3V
VDD = 5.5V, VBAT = 1.8V
VIL = 0V, VIH = 5.5V
VIL = 0V, VIH = 5.5V
(Note 11)
VDD = 3.3V
2.7V ≤ VDD ≤ 5.5V
BETA (4:0) = 10000
VDD = VBAT = 3.3V
VDD = 5.5V, IOL = 3mA
VDD = 2.7V, IOL = 1mA
2.7
1.8
-1.0
-1.0
-100
-100
2.0
-5
-3
0.5
4.1
3.5
200
120
1.0
1.0
±0.1
±0.1
2.2
30
50
1
±2
5.5
5.5
7
6
500
400
1.6
5.0
100
1.0
1.0
+100
+100
2.4
+5
+3
2
0.4
0.4
UNITS
V
V
µA
µA
µA
µA
µA
µA
nA
µA
µA
mV
mV
V
mV
mV
ppm
ppm
ppm
°C
V
V
NOTES
2
3, 4
3, 4
3, 4
3, 4
3
3
7
7
10
10
10
7
3
FN6659.2
June 23, 2009