AAT3510/1/2/3/4/5/6/7/8/9
Micropower µP Reset with Watchdog Timer
Absolute Maximum Ratings (TA=25°C unless otherwise noted)
Symbol
VCC
VMR, VWDI
Description
VCC to GND
MR, WDI to GND
Max
-0.3 to 6
-0.3 to VCC+0.3
Units
V
V
RESET to GND (Push-Pull or Bidirectional Output)
RESET to GND (Open Drain Output)
Maximum Continuous Input Current
RESET/RESET Output Current
Rate of rise of VCC
-0.3 to VCC+0.3
VRESET
V
-0.3 to 6
20
20
100
IVCC, IMR, IWDI
IRESET
mA
mA
V/µs
°C
dVCC/dt
TJ
Operating Junction Temperature Range (-40° to 150°C)
150
Note: Stresses above those listed in Absolute Maximum Ratings may cause permanent damage to the device. Functional operation at con-
ditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any one time.
Thermal Information
Symbol
Description
Maximum Thermal Resistance
Maximum Power Dissipation
Value
190
526
Units
°C/W
mW
1
ΘJA
PD
1
Note 1: Mounted on FR4 board
1
Electrical Characteristics (VCC = 2.5V to 5.5V, TA = -40 to +85°C unless otherwise noted.
Typical values are at TA=25°C )
Symbol Description
Conditions
Min
1
Typ
Max
Units
V
VCC
Operating Voltage Range TA = -40°C to +85°C
AAT3510/1/2/3/4/7/8:
5.5
15
18
15
18
VCC = 3.6V
5
6
MR & WDI unconnected VCC = 5.5V
AAT3515/6/9:
MR unconnected
TA = 25°C
TA = -40 to +85°C
-40°C < TA < +85°C
ICC
Supply Current
µA
VCC = 3.6V
VCC = 5.5V
VTHNOM-1.5% VTH VTHNOM+1.5%
VTHNOM-2.5% VTH VTHNOM+2.5%
±40
VTH
TC
Reset Threshold Voltage
V
Reference Voltage
Temp Coeff
ppm/°C
AAT351xIGV-xx-A-x-T1
AAT351xIGV-xx-B-x-T1
AAT351xIGV-xx-C-x-T1
VCC falling at 1mV/µs
1
20
140
1.4
28
200
40
2
40
280
Reset Active Timeout
Period
tRP
ms
µs
TRD
VCC to RESET Delay
3510.2004.08.1.4
3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
