ADM6348 Analog Devices, ADM6348 Datasheet - Page 3

• Manufacturer Part Number: ADM6348
• Description: Ultralow Power, 3-Lead, SOT-23, Microprocessor Reset Circuit, Active-Low Open-Drain Output, 1 μA Supply Current
• Manufacturer: Analog Devices

Specifications of ADM6348

• # Of Monitored Voltages: 1
• Backup-battery Switch: No
• Manual Reset Capability: No
• Package: SOT
• Reset Threshold Summary: 14 Options--3.3 to 4.63V
• Reset Output-stage: Active-Low/Open-Drain
• Min Reset Timeout (ms): 100
• Watchdog Timer: No

RESET OUTPUT VOLTAGE HIGH, V
SPECIFICATIONS
T
Table 1.
Parameter
OPERATING VOLTAGE RANGE, V
INPUT CURRENT, I
RESET THRESHOLD
TIMING CHARACTERISTICS
RESET OUTPUT VOLTAGE LOW, V
OPEN-DRAIN RESET OUTPUT LEAKAGE CURRENT
Table 2. Reset Threshold Voltage
Parameter
RESET THRESHOLD VOLTAGE (V
A
Threshold Voltage, V
Temperature Coefficient
Hysteresis
V
Reset Active Timeout Period (t
ADM632x-22
ADM632x-23
ADM632x-24
ADM632x-25
ADM632x-26
ADM632x-27
ADM632x-28
ADM632x-29
ADM632x-30
ADM632x-31
ADM634x-33
ADM634x-34
ADM634x-35
ADM634x-36
ADM634x-37
ADM634x-38
ADM634x-39
ADM634x-40
ADM634x-41
ADM634x-42
ADM634x-43
ADM634x-44
ADM634x-45
ADM634x-46
= −40°C to +85°C, unless otherwise noted. Typical values are at T
CC
ADM6326/ADM6328
ADM6346/ADM6348
to Reset Delay (t
CC
RD
TH
)
(See Table 2)
TH
CC
OL
RP
OH
)
)
Min
1.0
V
V
100
0.8 × V
0.8 × V
0.8 × V
TH
TH
− 2.5%
− 1.5%
CC
CC
CC
2.167
2.285
2.364
2.462
2.591
2.66
2.758
2.886
2.955
3.034
3.25
3.349
3.447
3.546
3.644
3.743
3.841
3.94
4.038
4.137
4.235
4.314
4.432
4.56
Min
Rev. 0 | Page 3 of 12
Typ
0.5
1.0
V
V
40
6.3
9.5
20
185
TH
TH
A
= 25°C and V
Typ
2.2
2.32
2.4
2.5
2.63
2.7
2.8
2.93
3.00
3.08
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.38
4.5
4.63
T
A
ADM6326/ADM6328/ADM6346/ADM6348
= 25°C
Max
5.5
1.0
1.75
V
V
280
0.3
0.4
0.1
TH
TH
+ 2.5%
+ 1.5%
CC
= 3 V. Overtemperature limits are guaranteed by design.
2.233
2.355
2.436
2.537
2.669
2.741
2.842
2.974
3.045
3.126
3.35
3.451
3.552
3.654
3.755
3.857
3.958
4.06
4.161
4.263
4.364
4.446
4.567
4.699
Max
Unit
V
μA
μA
V
V
ppm/°C
mV
mV
μs
ms
V
V
V
V
V
μA
Min
2.145
2.262
2.34
2.437
2.564
2.633
2.73
2.857
2.925
3.003
3.217
3.315
3.412
3.51
3.607
3.705
3.802
3.9
3.997
4.095
4.192
4.27
4.387
4.514
Test Conditions/Comments
ADM6326/ADM6328 only, V
2.93 V, V
V
T
V
V
V
ADM6326 only, V
ADM6326/ADM6346 only, V
I
ADM6326/ADM6346 only, V
I
SOURCE
SOURCE
A
CC
CC
CC
CC
= 25°C
= 5.5 V, no load
= V
> 2.1 V, I
≥ 1.2 V, I
T
A
= 800 μA, V
= 800 μA, V
= −40°C to +85°C
TH
CC
to (V
= 3.2 V for V
SINK
SINK
TH
= 1.6 mA, reset asserted
= 100 μA, reset asserted
Max
2.25
2.375
2.46
2.562
2.696
2.768
2.87
3.0
3.075
3.15
3.383
3.485
3.587
3.69
3.792
3.895
3.997
4.1
4.202
4.305
4.407
4.489
4.612
4.746
− 100 mV)
CC
TH
TH
= 3.2 V, I
≤ 4.38 V
≥ 4.5 V
TH
> 2.93 V, no load
SOURCE
CC
CC
CC
= 3.0 V for V
= 4.5 V,
= V
= 500 μA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Unit
TH(MAX)
,
TH
≤