MIC7221 datasheet(4/7 Pages) MICREL

4 / 7 page

Micrel, Inc.

MIC7211/7221

October 2009

M9999-100909

AC Electrical Characteristics

VV– = 0V, VCM = VOUT = VV+/2; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +85°C; Note 7; unless noted

Symbol

Parameter

Condition

Min

Typ

Max

Units

tRISE

Rise Time

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

overdrive = 10mV,

Note 9

tFALL

Fall Time

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

overdrive = 10mV,

Note 9

tPHL

Propagation Delay-High to Low

VV+ = 2.2V, f = 10kHz, CLOAD = 50pF

µs

overdrive = 10mV,

Note 9

VV+ = 2.2V, f = 10kHz, CLOAD = 50pF

6.0

µs

overdrive = 100mV, Note 9

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

µs

overdrive = 10mV, Note 9

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

µs

overdrive = 100mV,

Note 9

tPLH

Propagation Delay-Low to High

VV+ = 2.2V, f = 10kHz, CLOAD = 50pF

13.5

µs

overdrive = 10mV,

Note 9

VV+ = 2.2V, f = 10kHz, CLOAD = 50pF

4.0

µs

overdrive = 100mV, Note 9

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

11.5

µs

overdrive = 10mV, Note 9

VV+ = 5.0V, f = 10kHz, CLOAD = 50pF

3.0

µs

overdrive = 100mV,

Note 9

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. I/O pin voltage is any external voltage to which an input or output is referenced.

Note 4. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max); the junction-to-ambient thermal

resistance, θJA; and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using

PD(max) = (TJ(max) – TA) ÷ θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature.

Note 5. Thermal resistance, θJA, applies to a part soldered on a printed circuit board.

Note 6. Devices are ESD sensitive. Handling precautions recommended.

Note 7. All limits guaranteed by testing on statistical analysis.

Note 8. Continuous short circuit may exceed absolute maximum TJ under some conditions.

Note 9. The MIC7221 requires 5kΩ pull-up resistor.

V+

V–

OUT

MIC7211 Push-Pull Output

V+

V–

OUT

MIC7221 Open-Drain Output

Partial Functional Diagrams

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