September 2001 3 MIC834
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; T
A
= +25°C, bold values indicate –40°C ≤ T
A
≤ +85°C; unless noted
Symbol Parameter Condition Min Typ Max Units
I
DD
Supply Current output not asserted 1.5 3 µA
I
INP
Input Leakage Current 0.005 10 nA
V
REF
Reference Voltage 1.221 1.240 1.259 V
V
HYST
Hysteresis Voltage, Note 4 10 23 35 mV
t
D
Propagation Delay V
INP
= 1.352V to 1.128V 12 µs
V
INP
= 1.143V to 1.367V 8 µs
V
OUT
Output Voltage-Low, Note 5 OUT de-asserted, I
SINK
= 1.6mA, V
DD
≥ 1.6V 0.05 0.3 V
OUT de-asserted, I
SINK
= 100µA, V
DD
≥ 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
= V
REF
+ V
HYST
.
Note 5. V
DD
operating range is 1.5V to 5.5V. Output is guaranteed to be held low down to V
DD
= 1.2V.
Functional Diagram
V
HTH
V
IN
(Note A)
0V
V
REF
Note B
Note B
V
PULL-UP
V
OUT
0V
t
D
t
D
Note A. V
IN
here represents the attenuated input voltage, as applied to the INP pin; i.e., V
INP
.
Note B. Brief transients are ignored by the MIC834. See “Applications Information.”
