MIC834 datasheet(3/8 Pages) MICREL

3 / 8 page

September 2001

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 (

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

Supply Current

output not asserted

1.5

µA

INP

Input Leakage Current

0.005

REF

Reference Voltage

1.221

1.240

1.259

HYST

Hysteresis Voltage, Note 4

Propagation Delay

INP = 1.352V to 1.128V

µs

INP = 1.143V to 1.367V

µs

OUT

Output Voltage-Low, Note 5

OUT de-asserted, I

SINK = 1.6mA, VDD ≥ 1.6V

0.05

0.3

OUT de-asserted, I

SINK = 100µA, VDD ≥ 1.2V,

0.005

0.4

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.

HTH = VREF + VHYST.

Note 5.

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)

VREF

Note B

VPULL-UP

VOUT

Note A.

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.”

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