LM392MX datasheet(4/14 Pages) TI1

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LM392-N

SNOSBT5D – APRIL 1998 – REVISED MARCH 2013

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Electrical Characteristics (continued)

+ = 5 V

DC; specifications apply to both amplifiers unless otherwise stated)

(1)

lm392-N

Parameter

Conditions

Units

Min

Typ

Max

Amplifier-to-Amplifier Coupling

f = 1 kHz to 20 kHz, TA = 25°C, Input Referred,

(5)

−100

Input Offset Voltage

(2)

±7

Input Bias Current

IN(+) or IN(

−)

400

Input Offset Current

IN(+)

− IN(−)

150

Input Common-Mode Voltage Range

V+ = 30 VDC,

(4)

V+

−2

Differential Input Voltage

Keep All VIN'

s≥ 0 V

DC (or V

−, if used ) (6)

OP AMP ONLY

Large Signal Voltage Gain

V+ = 15 VDC, Vo swing = 1 VDC to 11 VDC, RL = 2

100

V/mV

Ω, TA = 25°C

Output Voltage Swing

RL = 2 kΩ, TA = 25°C

V+

−1.5

Common-Mode Rejection Ratio

DC, TA = 25°C, VCM= 0, VDC to V

+−1.5 V

Power Supply Rejection Ratio

DC, TA = 25°C

100

Output Current Source

VIN(+) = 1 VDC, VIN(−) = 0 VDC,

V+ = 15 VDC, Vo = 2 VDC, TA = 25°C

Output Current Sink

VIN(−) = 1 VDC, VIN(+) = 0 VDC,

V+ = 15 VDC, Vo =2VDC, TA = 25°C

VIN(−) = 1 VDC, VIN(+) = 0 VDC,

µA

V+ = 15 VDC, Vo =200 mV, TA = 25°C

Input Offset Voltage Drift

RS = 0Ω

μV/°C

Input Offset Current Drift

RS = 0Ω

pADC/°C

COMPARATOR ONLY

Voltage Gain

RL ≥ 15 kΩ, V

+ = 15 V

DC, TA = 25°C

200

V/mV

Large Signal Response Time(7)

VIN = TTL Logic Swing, VREF = 1.4 VDC

300

VRL = 5 VDC, RL = 5.1 kΩ, TA = 25°C

Response Time

VRL = 5 VDC, RL = 5.1 kΩ, TA = 25°C

1.3

µs

Output Sink Current

VIN(−) =1 VDC, VIN(+) = 0 VDC,

VO ≥1.5 VDC, TA = 25°C

Saturation Voltage

VIN(−) ≥ 1 VDC, VIN(+) = 0,

250

400

ISINK ≤ 4 mA, TA = 25°C

VIN(−) ≥ 1 VDC, VIN(+) = 0,

700

ISINK ≤ 4 mA

Output Leakage Current

VIN(−) = 0, VIN(+) ≥ 1 VDC,

0.1

Vo = 5 VDC, TA = 25°C

VIN(−) = 0, VIN(+) ≥ 1 VDC,

1.0

μA

Vo = 30 VDC

(5)

Due to proximity of external components, insure that coupling is not originating via the stray capacitance between these external parts.

This typically can be detected as this type of capacitive coupling increases at higher frequencies.

(6)

Positive excursions of input voltage may exceed the power supply level. As long as the other input voltage remains within the common-

mode range, the comparator will provide a proper output state. The input voltage to the op amp should not exceed the power supply

level. The input voltage state must not be less than

−0.3V (or 0.3V below the magnitude of the negative power supply, if used) on either

amplifier.

(7)

The response time specified is for a 100 mV input step with 5 mV overdrive. For larger overdrive signals 300 ns can be obtained.

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