LM1946N datasheet(2/12 Pages) NSC

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Absolute Maximum Ratings

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Supply Voltage (VCC and Input Pins)

Survival Voltage (T s 100 ms)

50V to a60V

Operational Voltage

9V to 26V

Internal Power Dissipation (Note 1)

Internally Limited

Output Short Circuit to Ground or VCC

Continuous

Operating Temperature Range (TA)

40 Cto a85 C

Maximum Junction Temperature

150 C

Storage Temperature Range

65 Cto a150 C

Lead Temperature (Soldering 10 sec)

260 C

ESD Susceptibility (Note 3)

600V

Electrical Characteristics 9V s VCC s 16V Iset e 20 mA Tj e 25 C (unless otherwise specified)

Parameter

Conditions

Min

Typ

Max

Units

Quiescent Current

All Outputs ‘‘Off’’

140

300

mAdc

Reference Voltage

Iref e 10 mA

Vdc

Reference Voltage

9V s VCC s 16V Iref e 10 mA

mVdc

Line Regulation

Iset Voltage

Iset e 20 mA

120

140

160

Vdc

Input Offset Voltage

At Output Switch Point VO e 2V

mVdc

9V s VCM s 16V

Input Offset Current

IIN(a) b IIN(b) 9V s VCM s 16V

010

100

Adc

Input Bias Current

IIN(a) or IIN(b) 9V s VCM s 16V

1800

2000

2200

Adc

Input Common Mode

400

260

Vdc

Voltage Range

Maximum Positive

Either Input T s 100 ms

Input Transient

Maximum Negative

Either Input T s 100 ms

Input Transient

Output Saturation

IO e 2 mA 9V s VCC s 16V

080

100

Vdc

Voltage

IO e 10 mA 9V s VCC s 16V

100

120

Vdc

Output Short Circuit

VO e 0Vdc Comparator ‘‘ON’’

1200

mAdc

Current

Output Leakage Current

VO e 0Vdc Comparator ‘‘Off’’

001

100

Adc

Test Threshold

At Switch Point on Any Output

080

125

200

Vdc

Voltage

VO e 2V (Note 2)

Test Threshold

Adc

Current

Note 1

Thermal resistance from junction to ambient is typically 53 CW (board mounted)

Note 2

The test pin is an active high input ie all five will be forced high when this pin is driven high

Note 3

CESD e 100 pF RESD e 15k

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