LM393D datasheet(4/6 Pages) PHILIPS

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Philips Semiconductors

Product specification

LM193/A/293/A/393/A/2903

Low power dual voltage comparator

1995 Nov 27

DC ELECTRICAL CHARACTERISTICS (Continued)

V+=5VDC, LM193/193A: -55

°C TA ≤ +125°C, unless otherwise specified. LM293/293A: -25°C TA ≤ +85°C, unless otherwise specified.

LM393/393A: 0

°C TA ≤ +70°C, unless otherwise specified. LM2903: -40°C TA ≤ +125°C, unless otherwise specified.

SYMBOL

PARAMETER

TEST CONDITIONS

LM193

LM293/393

UNIT

SYMBOL

PARAMETER

TEST CONDITIONS

Min

Typ

Max

Min

Typ

Max

UNIT

VOS

Input offset voltage2

TA=25°C

Over temp.

±2.0

±5.0

±9.0

±2.0

±5.0

±9.0

VCM

Input common-mode

voltage range3, 6

TA=25°C

Over temp.

±-1.5

±-2.0

V+-1.5

V+-2.0

VIDR

Differential input

voltage1

Keep all VINs ≥0VDC

(or V-if need)

V+

IBIAS

Input bias current4

IIN(+) or IIN(-) with output

in linear range

TA=25°C

Over temp.

100

300

250

400

IOS

Input offset current

IIN(+)-IIN(-)

TA=25°C

Over temp.

±3.0

±25

±100

±5.0

±50

±150

IOL

Output sink current

VIN(-)≥1VDC, VIN(+)=0,

V0≤1.5VDC

TA=25°C

6.0

Output leakage current

VIN(+)≥1VDC, VIN(-)=0,

V0=5VDC

TA=25°C

V0=30VDC over temp.

0.1

1.0

0.1

1.0

µA

ICC

Supply current

RL=∞ on both comparators,

TA=25°C

0.8

RL=∞ on both comparators,

V+=30V

2.5

Voltage gain

RL≥15kΩ, V+=15VDC

200

V/mV

VOL

Saturation voltage

VIN(-)≥1VDC, VIN(+)=0,

ISINK≤4mA

TA=25°C

Over temp.

250

400

700

250

400

700

tLSR

Large signal

response time

VIN=TTL logic swing,

VREF=1.4VDC, VRL=5VDC

RL=5.1kΩ,

TA=25°C

300

Response time5

VRL=5VDC,

RL=5.1kΩ

TA=25°C

1.3

µs

NOTES:

1. Positive excursions of input voltage may exceed the power supply level by 17V. As long as the other voltage remains within the

common-mode range, the comparator will provide a proper output state. The low input voltage state must not be less than -0.3VDC (VDC

below the magnitude of the negative power supply, if used).

2. At output switch point, VO ≈ 1.4VDC, RS=0Ω with V+ from 5VDC to 30VDC and over the full input common-mode range (0VDC to V+-1.5VDC).

3. The input common-mode voltage or either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of the

common-mode voltage range is V+-1.5V, but either or both inputs can go to 30VDC without damage.

4. The direction of the input current is out of the IC due to the PNP input stage. This current is essentially constant, independent of the state of

the output so no loading change exists on the reference or input lines.

5. The response time specified is for a 100mV input step with a 5mV overdrive.

6. For input signals that exceed VCC, only the over-driven comparator is affected. With a 5V supply, VIN should be limited to 25V maximum,

and a limiting resistor should be used on all inputs that might exceed the positive supply.

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