ISL12023 Datasheet, PDF (3/28 Pages) Intersil Corporation – Low Power RTC with Battery-Backed SRAM and Embedded Temp Compensation ±5ppm with Auto Daylight Saving

ISL12023
Absolute Maximum Ratings
Voltage on V_DD, V_BAT and IRQ/F_OUT pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.0V
Voltage on SCL and SDA pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . -0.3V to V_DD + 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)
θ_JA (°C/W)
14 Ld TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100
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. θ_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 Test Conditions: V_DD = +2.7V to +5.5V, T_A = -40°C to +85°C, unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
(Note 9) (Note 5) (Note 9) UNITS NOTES
V_DD
V_BAT
I_DD1
I_DD2
I_DD3
Main Power Supply
(Note 11)
Battery Supply Voltage
(Note 11)
Supply Current. (I²C not Active,
Temperature Conversion not Active,
F_OUT not Active)
Supply Current. (I²C Active, Temperature
Conversion not Active, F_OUT not Active)
Supply Current. (I²C not Active,
Temperature Conversion Active, F_OUT
not Active)
V_DD = 5V
V_DD = 3V
V_DD = 5V
V_DD = 5V
2.7
5.5
V
1.8
5.5
V
2
4.1
7
µA
3, 4
3.5
6
µA
3, 4
200
500
µA
3, 4
120
400
µA
3, 4
I_BAT
Battery Supply Current
I_BATLKG
I_LI
I_LO
V_BATM
V_PBM
V_TRIP
V_TRIPHYS
V_BATHYS
ΔFout_T
ΔFout_V
ΔAT_LSB
Temp
Battery Input Leakage
Input Leakage Current on SCL
I/O Leakage Current on SDA
Battery Level Monitor Threshold
Brownout Level Monitor Threshold
V_BAT Mode Threshold
V_TRIP Hysteresis
V_BAT Hysteresis
Frequency Stability vs Temperature
Frequency Stability vs Voltage
AT Sensitivity per LSB
Temperature Sensor Accuracy
IRQ, LVRST, F_OUT
V_OL
Output Low Voltage
V_DD = 0V, V_BAT = 3V,
T_A = +25°C
V_BAT = 3V
V_DD = 5.5V, V_BAT = 1.8V
(Note 11)
2.7V ≤ V_DD ≤ 3.6V,
2.7V ≤ V_DD ≤ 3.6V
BETA (3:0) = 1000
V_DD = V_BAT = 3.3 V
V_DD = 5V, I_OL = 3mA
V_DD = 2.7V, I_OL = 1mA
1.0
1.6
µA
3
1.0
5.0
µA
3
100
nA
-1.0
±0.1
1.0
µA
-1.0
±0.1
1.0
µA
-100
+100
mV
-100
+100
mV
2.0
2.2
2.4
V
30
mV
7
50
mV
7
-5
+5
ppm
10
-3
+3
ppm
10
0.5
1
2
ppm
10
±2
°C
7
0.4
V
0.4
V
3
FN6682.2
June 24, 2009