ADM6328 Просмотр технического описания (PDF) - Analog Devices
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ADM6328 Datasheet PDF : 12 Pages
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ADM6326/ADM6328/ADM6346/ADM6348
SPECIFICATIONS
TA = −40°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C and VCC = 3 V. Overtemperature limits are guaranteed by design.
Table 1.
Parameter
OPERATING VOLTAGE RANGE, VCC
INPUT CURRENT, ICC
RESET THRESHOLD
Threshold Voltage, VTH (See Table 2)
Temperature Coefficient
Hysteresis
ADM6326/ADM6328
ADM6346/ADM6348
TIMING CHARACTERISTICS
VCC to Reset Delay (tRD)
Reset Active Timeout Period (tRP)
RESET OUTPUT VOLTAGE LOW, VOL
RESET OUTPUT VOLTAGE HIGH, VOH
OPEN-DRAIN RESET OUTPUT LEAKAGE CURRENT
Min
Typ
1.0
0.5
1.0
VTH − 2.5% VTH
VTH − 1.5% VTH
40
6.3
9.5
20
100
185
0.8 × VCC
0.8 × VCC
0.8 × VCC
Max
Unit
Test Conditions/Comments
5.5
V
1.0
μA
ADM6326/ADM6328 only, VCC = 3.0 V for VTH ≤
2.93 V, VCC = 3.2 V for VTH > 2.93 V, no load
1.75
μA
VCC = 5.5 V, no load
VTH + 2.5%
VTH + 1.5%
V
V
ppm/°C
TA = 25°C
mV
mV
μs
VCC = VTH to (VTH − 100 mV)
280
ms
0.3
V
VCC > 2.1 V, ISINK = 1.6 mA, reset asserted
0.4
V
VCC ≥ 1.2 V, ISINK = 100 μA, reset asserted
V
ADM6326 only, VCC = 3.2 V, ISOURCE = 500 μA
V
ADM6326/ADM6346 only, VCC = 4.5 V,
ISOURCE = 800 μA, VTH ≤ 4.38 V
V
ADM6326/ADM6346 only, VCC = VTH(MAX),
ISOURCE = 800 μA, VTH ≥ 4.5 V
0.1
μA
Table 2. Reset Threshold Voltage
Parameter
RESET THRESHOLD VOLTAGE (VTH)
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
Min
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
TA = 25°C
Typ
Max
2.2
2.233
2.32
2.355
2.4
2.436
2.5
2.537
2.63
2.669
2.7
2.741
2.8
2.842
2.93
2.974
3.00
3.045
3.08
3.126
3.3
3.35
3.4
3.451
3.5
3.552
3.6
3.654
3.7
3.755
3.8
3.857
3.9
3.958
4.0
4.06
4.1
4.161
4.2
4.263
4.3
4.364
4.38
4.446
4.5
4.567
4.63
4.699
TA = −40°C to +85°C
Min
Max
Unit
2.145
2.25
V
2.262
2.375
V
2.34
2.46
V
2.437
2.562
V
2.564
2.696
V
2.633
2.768
V
2.73
2.87
V
2.857
3.0
V
2.925
3.075
V
3.003
3.15
V
3.217
3.383
V
3.315
3.485
V
3.412
3.587
V
3.51
3.69
V
3.607
3.792
V
3.705
3.895
V
3.802
3.997
V
3.9
4.1
V
3.997
4.202
V
4.095
4.305
V
4.192
4.407
V
4.27
4.489
V
4.387
4.612
V
4.514
4.746
V
Rev. 0 | Page 3 of 12
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