LM111 LM211 - LM311 VOLTAGE COMPARATORS

.. . .. .

MAXIMUM INPUT CURRENT : 150nA MAXIMUM OFFSET CURRENT : 20nA DIFFERENTIAL INPUT VOLTAGE RANGE : ±30V POWER CONSUMPTION : 135mW AT ±15V SUPPLY VOLTAGE : +5V TO ±15V OUTPUT CURRENT : 50mA

D SO8 (Plastic Micropackage)

N DIP8 (Plastic Package)

DESCRIPTION The LM111, LM211 and LM311 are voltage comparators that have low input currents. They are also designed to operateover a wide range of supply voltages : from standard±15V operational amplifier supplies down to the single +5V supply used for IC logic. Their outputis compatible with RTL-DTL andTTL as well as MOS circuits and can switch voltages up to +50V at output currents as high as 50mA.

ORDER CODES Part Number

Package

Temperature Range

N

D

–55, 125oC

•

•

LM111

o

•

•

70 C

•

•

–40, 105 C

LM211 LM311

0,

o

Example : LM311D

PIN CONNECTIONS (top view)

1 2

+

7

3

-

6

4

October 1996

8

1 2 3 4 5 6 7 8

- Ground - Non-inverting input - Inverting input - VCC- Balance - Strobe/balance - Output + - VCC

5

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LM111 - LM211 - LM311 SCHEMATIC DIAGRAM S trobe/balance Ba lance R3 300 Ω

Collector output

R4 300 Ω

VCC

R8 750 Ω

Q6 R2 1.3kΩ

R1 1.3kΩ

R9 600Ω

Q 20

Q10

R5 70 Ω Q7 R7 1.2kΩ

R6 1.2kΩ

Q11 Q12

Q5

Q19

Q13

R10 4kΩ

Q8 Q18

Q3

Q14

Q9 Q4

D1 D2 5V 5V

R 16 400 Ω

R17 60 Ω

R11 130 Ω

Q21 Non-inverting input

Q1 Q15 R15 450 Ω

Q23 Q22 Inverting input

Q2

R19 2 50Ω

R1 8 200Ω

R12 600Ω

Q17 R14 2kΩ

Q16 R13 4Ω

VCC

Emitter output or ground

ABSOLUTE MAXIMUM RATINGS Symbol

LM111

LM211

LM311

Unit

VCC

Supply Voltage

Parameter

36

36

36

V

Vid

Differential Input Voltage

±30

±30

±30

V

Vi

Input Voltage – (note 1)

±15

±15

±15

Ptot

Power Dissipation

Toper

Operating Free-air Temperature Range

–55 to +125

–40 to +105

0 to +70

o

C

Tstg

Storage Temperature Range

–65 to +150

–65 to +150

–65 to +150

o

C

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V mW

V(1–4)

Ground to Negative Supply Voltage

30

30

30

V

V(7–4)

Output to Negative Supply Voltage

50

50

40

V

LM111 : +150oC Maximum junction temperature LM211 : +150oC LM311 : +150oC 1. This rating applies for ±15V supplies. The positive input voltage limit is 30V above the negative. The negative input voltage limit is equal to the negative supply voltage or 30V below the positive supply, whichever is less.

Output short-circuit duration : 10s Voltage at strobe pin : VCC+ –5V Note :

500

LM111 - LM211 - LM311 ELECTRICAL CHARACTERISTICS VCC = ±15V, T amb = 25oC (unless otherwise specified) Symbol Vio

Iio

Iib

Avd +

ICC ICC

Vicm

VOL

IOH

Parameter

Typ.

Max.

tre

Min.

0.7

Input Offset Current – (note 1) Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Input Bias Current – (note 1) Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax.

Input Offset Voltage (RS ≤ 50kΩ) – (note 1) o Tamb = +25 C Tmin. ≤ Tamb ≤ Tmax.

Max.

3 4

2

7.5 10

4

10 20

6

50 70

60

100 150

100

250 300

Unit

200

40

200

V/mV mA

Low Level Output Voltage o Tamb = +25 C, IO = 50mA Vi ≤ -5mV Vi ≤ -10mV Tmin. ≤ Tamb ≤ Tmax. + VCC ≥ +4.5 V, VCC = 0 Vi ≤ -6mV Io = 8mA Vi ≤ -10mV

Response Time – (note 2)

Typ.

nA

40

Input Common Mode Voltage Range Tmin. ≤ Tamb ≤ Tmax.

Strobe Current

Min.

mV

Supply Currents Positive Negative

High Level Output Current o Tamb = +25 C

LM311

nA

Large Signal Voltage Gain

Tmin. ≤ Tamb ≤ Tmax. Istr obe

LM111 - LM211

Vi ≥ + 5mV, VO = +35V Vi ≥ +10mV, V O = +5V Vi ≥ + 5mV, VO = +35V

5.1 4.1

6 5

5.1 4.1

7.5 5

+13.8 -14.7

+13

+13.8 -14.7

+13

0.75

1.5

V -14.5

-14.5

V

0.23

0.2 0.1

0.75

1.5

0.23

0.4

0.2

50

0.4

10 0.5

nA nA µA

3

3

mA

200

200

ns

Notes : 1. The offset voltage, offset current and bias current specifications apply for any supply voltage from a single +5V supply up to ±15V supplies. The offset voltages and offset currents given are the maximum values required to drive the output down to +1V or up to +14V with a 1mA load current. Thus, these parameters define an error band and take into account the worst-case of voltage gain and input impedance. 2. The response time specified (see definitions) is for a 100mV input step with 5mV overdrive.

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LM111 - LM211 - LM311 TRANSFERT CHARACTERISTICS

OUTP UT LIMITING CHARACTERISTICS

OUTPUT VOLTAGE (V)

Norm al output 50

RL = 1 k Ω VL = +50 V

Emitter follower output R L = 600 Ω

40

30

20

Ta mb = +25 C VCC = +30 V

10

140 120 100

-5

0

0.5

P

80

0.4

0.2

20

0.1

0

0 0

5

10

15

OUTP UT VOLTAGE (V)

COMMON MODE LIMITS

INPUT OFFS ET CURRENT 30

INPUT OFFSET CURRENT ( nA)

COMMON MODE LIMITS (V)

0.5

Short circuit curre nt

-1

-1.5

0.4

0.2

VCC = –15V 20

Raised

10

Norma l

0 0

10

20

30

40

50

60

70

80

-55

-35

-15

INPUT BIAS CURRENT INPUT BIAS CURRENT (nA)

400

VCC = –15V Raised 300

200

100

0

Norma l

-55

5

25

45

65

85 105

TEMPERATURE ( C)

TEMPERATURE ( C)

-35 -15

5

25

45

65

85 105

TEMPERATURE ( C)

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is

40

1

-0.5

V -CC

er d

0.6

oin

0.3

DIFFERENTIAL INPUT VOLTAGE (mV)

V+CC

ow

at s ip

60

0 -1

0.7

Ta mb = +25 C

125

125

POWER DISSIPATION (W)

SHORT-CIRCUIT CURRENT (mA)

60

LM111 - LM211 - LM311 EQUIVALENT INPUT OFFS ET ERROR

EQUIVALENT INPUT OFFSET ERROR

100

100

10

Maximu m

Typica l

1

Tamb = +25 C LM311

EQUIVALENT INPUT OFFSET VOLTAGE (mV)

EQUIVALENT INPUT OFFSET VOLTAGE (mV)

LM111 LM211 Ta mb = +25 C

Maximum

10 Typical

VIO = VIO + RS IID

VIO = VIO + RS IID 0.1 10k

100k

1M

10k

10M

INPUT RESISTANCE (Ω)

1M

10M

INPUT RES ISTANCE (Ω)

LOW LEVEL OUTP UT S ATURATION VOLTAGE

LOW LEVEL OUTPUT SATURATION VOLTAGE

0.8

0.8

0.7 0.6 0.5

Ta mb = -55 C

0.4 0.3 0.2

Tamb = +25 C

0.1

LM311

SATURATION VOLTAGE (V)

LM111 LM211 › T a mb = +125 C

Tamb = +25 C

0.7 0.6 0.5 0.4 0.3 0.2 0.1 0

0

0

10

20

30

40

0

50

10

20

30

40

50

OUTPUT CURRENT (mA)

OUTP UT CURENT (mA)

INPUT CHARACTE RISTICS 180

INPUT BIAS CURRENT (nA)

SATURATION VOLTAGE (V)

100k

VCC = –15V Tamb = +25 C

160 140 120 100 80 60 40 20 0-16 -12

-8

-4

0

4

8

12

16

DIFFERENTIALINPUT VOLTAGE (V)

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LM111 - LM211 - LM311 RES P ONS E TIME FOR VARIOUS INPUT OVERDRIVES

RES P ONSE TIME FOR VARIOUS INPUT OVERDRIVES 5 20mV

4 3

VCC = –15V Tamb = +25 C

5mV

2

INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)

INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)

5

2mV

+5 V

1 0

VI

500 Ω

-

Vo

+

100

+5 V

4

VI

3

20mV

2

5mV

1

2mV

0 VCC = –15V Tamb = +2 5 C

-100

0 0

0.2

0.4

0.6

0.8

0

TIME ( µ s ) RESP ONS E TIME FOR VARIOUS INPUT OVERDRIVES

5 0 -5 -1 0

VI

+ -

2 0mV 5 mV

Vo 2k Ω VCC -

2 mV

-15 100 50

VCC = –15 V Tamb = +25 C

0 0

1

2

TIME ( µ s )

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3

0.4

0.6

0.8

TIME ( µ s )

1 5 20mV

VCC +

10

0.2

RES PONS E TIME FOR VARIOUS INPUT OVERDRIVES INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)

INPUT VOLTAGE (mV) OUTPUT VOLTAGE (V)

15

Vo

+

-50

50

500 Ω

-

10

5mV

VCC +

5 0

VI

2mV

-

-5

Vo 2k Ω

-10 VCC -

-1 5 0

VCC = –15V Tamb = +25 C

-5 0 -10 0

4

+

0

1

2

TIME ( µ s)

3

4

LM111 - LM211 - LM311 TYPICAL APPLICATIONS CRYSTAL OSCILLATOR

LOW VOLTAGE ADJUSTABLE REFERENCE SUPPLY

V CC = +5V R4 2k Ω

R1 100k Ω

R1 3.9kΩ

V CC = +5V R4 500 Ω

R3

2 LM111

R2 100k Ω

100kHz C2 10pF 8 7 4

3

2N 1304

Output

1

2

+C 1* 1.5 µF

4 R2 1k Ω

* S old ta nta lum

2N 2222

C1 0.1 µF

100KHz FREE RUNNING MULTIVIBRATOR

C1 1200pF

7

LM111

Output

R3 50k Ω

1

Ω 8 10k

3

TTL INTERFACE WITH HIGH LEVEL LOGIC

V CC = +5V

R1 240k Ω

R3 10kΩ

3

V CC = +5V

Input

R5 1kΩ

R1 20kΩ

R3 82kΩ 2

8 LM111

1

3

To TTL logic

4

4

R2 20kΩ

7

LM111

S qua re wa ve output

1

2

R5 1k Ω

8

7

R4 3 9kΩ

R2 47k Ω

C1

R4 82k Ω 0 to +30Vs wing and +15V thre sholg

* TTL or DTL fan-out two

AUXILIARY CIRCUITS STROBE

INCREASING INPUT STAGE CURRENT

OFFSET BALANCING R2 3kΩ

2

3

VCC

7

LM111 6 Q1 2N 2222

2

5

V CC

6 8

TTL s tro be

LM11 1 R1 1kΩ

5kΩ

7

2

5 6 8

3 LM11 1

7

3

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LM111 - LM211 - LM311

PM-DIP8.EPS

PACKAGE MECANICAL DATA 8 PINS - PLASTIC DIP

Millimeters Min.

A

Typ.

Min.

3.32

Typ.

Max.

0.131

a1

0.51

0.020

B

1.15

b

0.356

0.55

0.014

0.022

b1

0.204

0.304

0.008

0.012

1.65

D E

0.045

0.065

10.92 7.95

9.75

0.430 0.313

0.384

e

2.54

0.100

e3

7.62

0.300

e4

7.62

F

Z

0.300 6.6

i L

8/9

Inches Max.

0260

5.08 3.18

3.81 1.52

0.200 0.125

0.150 0.060

DIP8.TBL

Dim.

LM111 - LM211 - LM311

PM-SO8.EPS

PACKAGE MECANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO)

A a1 a2 a3 b b1 C c1 D E e e3 F L M S

Min.

Millimeters Typ.

0.1 0.65 0.35 0.19 0.25

Max. 1.75 0.25 1.65 0.85 0.48 0.25 0.5

Min.

Inches Typ.

0.026 0.014 0.007 0.010

Max. 0.069 0.010 0.065 0.033 0.019 0.010 0.020

0.189 0.228

0.197 0.244

0.004

o

45 (typ.) 4.8 5.8

5.0 6.2 1.27 3.81

3.8 0.4

0.050 0.150 4.0 1.27 0.6

0.150 0.016

0.157 0.050 0.024

SO8.TBL

Dim.

o

8 (max.)

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specification mentioned in this publication are subject to change without notice. Thi s publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life suppo rt devices or systems without express written approval of SGS-THOMSON Microelectronics. ORDER CODE :

 1996 SGS-THOMSON Microelectronics – Printed in Italy – All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.

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