
September 2001
3
MIC834
Micrel
Absolute Maximum Ratings (Note 1)
Supply Voltage (V
DD) ..................................... –0.3V to +7V
Input Voltage (V
INP) ...................................................... +7V
Output Current (I
OUT) ................................................. 20mA
Storage Temperature (T
S) ....................... –65°C to +150°C
ESD Rating, Note 3 ...................................................... 2kV
Operating Ratings (Note 2)
Supply Voltage (V
DD) .................................. +1.5V to +5.5V
Input Voltage (V
INP) ......................................... –0.3V to 6V
Ambient Temperature Range (T
A) ............. –40°C to +85°C
Junction Temperature (T
J) ....................... Internally Limited
Package Thermal Resistance (
θ
JA) ...................... 260°C/W
Electrical Characteristics
1.5V
≤ V
DD ≤ 5.5V; TA = +25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted
Symbol
Parameter
Condition
Min
Typ
Max
Units
I
DD
Supply Current
output not asserted
1.5
3
A
I
INP
Input Leakage Current
0.005
10
nA
V
REF
Reference Voltage
1.221
1.240
1.259
V
HYST
Hysteresis Voltage, Note 4
10
23
35
mV
t
D
Propagation Delay
V
INP = 1.352V to 1.128V
12
s
V
INP = 1.143V to 1.367V
8
s
V
OUT
Output Voltage-Low, Note 5
OUT de-asserted, I
SINK = 1.6mA, VDD ≥ 1.6V
0.05
0.3
V
OUT de-asserted, I
SINK = 100A, VDD ≥ 1.2V,
0.005
0.4
V
Note 1.
Exceeding the absolute maximum rating may damage the device.
Note 2.
The device is not guaranteed to function outside its operating rating.
Note 3.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Note 4.
V
HTH = VREF + VHYST.
Note 5.
V
DD operating range is 1.5V to 5.5V. Output is guaranteed to be held low down to VDD = 1.2V.
Functional Diagram
VHTH
VIN
(Note A)
0V
VREF
Note B
VPULL-UP
VOUT
0V
tD
Note A.
V
IN here represents the attenuated input voltage, as applied to the INP pin; i.e., VINP.
Note B.
Brief transients are ignored by the MIC834. See “Applications Information.”