NSC LMV841, LMV844MT Datasheet

March 2007

LMV841 / LMV844
CMOS Input, RRIO, Wide Supply Range Operational
Amplifiers

General Description

The LMV841 and LMV844 are low-voltage and low-power
operational amplifiers that operate with supply voltages rang­ing from 2.7V to 12V and have rail-to-rail input and output
capability.

The LMV841 and LMV844 are low offset voltage and low
supply current amplifiers with MOS inputs, characteristics that
make the LMV841/LMV844 ideal for sensor interface and
battery powered applications.

The LMV841 is offered in the space saving 5-pin SC70 pack­age and the quad LMV844 comes in the 14-Pin TSSOP
package. These small packages are solutions for area con­strained PC boards and portable electronics.

Features

Unless otherwise noted, typical values at TA = 25°C, V+ = 5V

■

Space saving 5-Pin SC70 package

■

Supply voltage range 2.7V to 12V

■

Guaranteed at 3.3V, 5V and ±5V

■

Low supply current 1 mA per channel

■

Unity gain bandwidth 4.5 MHz

■

Open loop gain 100 dB

■

Input offset voltage

500 μV max

■

Input bias current 0.3 pA

■

CMRR 100 dB

■

Input voltage noise 20 nV/

■

Temperature range −40°C to 125°C

■

Rail-to-rail input

■

Rail-to-rail output

Applications

■

High impedance sensor interface

■

Battery powered instrumentation

■

High gain amplifiers

■

DAC buffer

■

Instrumentation amplifiers

■

Active Filters

Typical Applications

20168301

© 2007 National Semiconductor Corporation 201683 www.national.com

LMV841 Single / LMV844 Quad CMOS Input, RRIO, Wide Supply Range Operational Amplifiers

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.

ESD Tolerance (Note 2)
Human Body Model 2 kV
Machine Model 200V
V

IN

Differential

±300 mV

Supply Voltage (V+ – V−)

13.2V
Voltage at Input/Output Pins V++0.3V, V− −0.3V

Input Current 10 mA
Storage Temperature Range −65°C to +150°C

Junction Temperature (Note 3) +150°C
Soldering Information
Infrared or Convection (20 sec) 235°C
Wave Soldering Lead Temp. (10 sec) 260°C

Operating Ratings (Note 1)

Temperature Range (Note 3) −40°C to +125°C
Supply Voltage (V+ – V−)

2.7V to 12V

Package Thermal Resistance (θJA (Note 3))

5-Pin SC70 334 °C/W
14-Pin TSSOP 110 °C/W

3.3V Electrical Characteristics (Note 4)

Unless otherwise specified, all limits are guaranteed for at TA = 25°C, V+ = 3.3V, V− = 0V, VCM = V+/2, and RL > 10 MΩ to V+/2.

Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

V

OS

Input Offset Voltage 8 ±500

±800

μV

TCV

OS

Input Offset Voltage Drift (Note 7) 0.5 ±5

μV/°C

I

B

Input Bias Current
(Notes 7, 8)

0.3 10

300

pA

I

OS

Input Offset Current 40

fA

CMRR Common Mode Rejection Ratio

LMV841

0V ≤ V

CM

≤ 3.3V

84

80

100

dB

Common Mode Rejection Ratio
LMV844

77

75

100

PSRR Power Supply Rejection Ratio

2.7V ≤ V+ ≤ 12V, VO = V+/2

86

82

100

dB

CMVR Input Common-Mode Voltage Range

CMRR ≥ 50 dB

–0.1 3.4

V

A

VOL

Large Signal Voltage Gain

RL = 2 kΩ
VO = 0.3V to 3.0V

100

96

118

dB

RL = 10 kΩ
VO = 0.2V to 3.1V

100

96

129

V

O

Output Swing High,
measured from V

+

RL = 2 kΩ to V+/2

60 80

120

mV

RL = 10 kΩ to V+/2

32 50

70

Output Swing Low,
measured from V

−

RL = 2 kΩ to V+/2

70 100

120

mV

RL = 10 kΩ to V+/2

35 65

75

I

O

Output Short Circuit Current
(Notes 3, 9)

Sourcing VO = V+/2
VIN = 100 mV

20

15

30

mA

Sinking VO = V+/2
VIN = −100 mV

20

15

30

I

S

Supply Current Per Channel 0.98 1.5

2

mA

SR Slew Rate (Note 10) AV = +1, VO = 2.3 V

PP

10% to 90%

2.5

V/μs

GBW Gain Bandwidth Product 4.5 MHz

Φ

m

Phase Margin 67

Deg

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LMV841 Single / LMV844 Quad

Symbol Parameter Conditions Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

e

n

Input-Referred Voltage Noise f = 1 kHz 20

nV/

R

OUT

Open Loop Output Impedance f = 3 MHz 70

Ω

THD+N Total Harmonic Distortion + Noise f = 1 kHz , AV = 1

RL = 10 kΩ

0.005
%

C

IN

Input Capacitance 13

pF

5V Electrical Characteristics (Note 4)

Unless otherwise specified, all limits are guaranteed for at TA = 25°C, V+ = 5V, V− = 0V, VCM = V+/2, and RL > 10 MΩ to V+/2.

Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

V

OS

Input Offset Voltage −5 ±500

±800

μV

TCV

OS

Input Offset Voltage Drift (Note 7) 0.35 ±5

μV/°C

I

B

Input Bias Current
(Notes 7, 8)

0.3 10

300

pA

I

OS

Input Offset Current 40

fA

CMRR Common Mode Rejection Ratio

LMV841

0V ≤ V

CM

≤ 5V

86

80

100

dB

Common Mode Rejection Ratio
LMV844

81

79

100

PSRR Power Supply Rejection Ratio

2.7V ≤ V+ ≤ 12V, VO = V+/2

86

82

100

dB

CMVR Input Common-Mode Voltage Range

CMRR ≥ 50 dB

−0.2 5.2

V

A

VOL

Large Signal Voltage Gain

RL = 2 kΩ
VO = 0.3V to 4.7V

100

96

118

dB

RL = 10 kΩ
VO = 0.2V to 4.8V

100

96

129

V

O

Output Swing High,
measured from V

+

RL = 2 kΩ to V+/2

70 100

120

mV

RL = 10 kΩ to V+/2

40 50

70

Output Swing Low,
measured from V

-

RL = 2 kΩ to V+/2

82 120

140

mV

RL = 10 kΩ to V+/2

41 70

80

I

O

Output Short Circuit Current
(Notes 3, 9)

Sourcing VO = V+/2
VIN = 100 mV

20

15

30

mA

Sinking VO = V+/2
VIN = −100 mV

20

15

30

I

S

Supply Current Per Channel 1.02 1.5

2

mA

SR Slew Rate (Note 10) AV = +1, VO = 4 V

PP

10% to 90%

2.5

V/μs

GBW Gain Bandwidth Product 4.5 MHz

Φ

m

Phase Margin 67

Deg

e

n

Input-Referred Voltage Noise f = 1 kHz 20

nV/

R

OUT

Open Loop Output Impedance f = 3 MHz 70

Ω

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LMV841 Single / LMV844 Quad

Symbol Parameter Conditions Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

THD+N Total Harmonic Distortion + Noise f = 1 kHz , AV = 1

RL = 10 kΩ

0.003
%

C

IN

Input Capacitance 13

pF

±5V Electrical Characteristics (Note 4)

Unless otherwise specified, all limits are guaranteed for at TA = 25°C, V+ = 5V, V− = –5V, VCM = 0V, and RL > 10 MΩ to VCM.

Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

V

OS

Input Offset Voltage −17 ±500

±800

μV

TCV

OS

Input Offset Voltage Drift (Note 7) 0.25 ±5

μV/°C

I

B

Input Bias Current
(Notes 7, 8)

0.3 10

300

pA

I

OS

Input Offset Current 40

fA

CMRR Common Mode Rejection Ratio

LMV841

–5V ≤ V

CM

≤ 5V

86

80

100

dB

Common Mode Rejection Ratio
LMV844

86

80

100

PSRR Power Supply Rejection Ratio

2.7V ≤ V+ ≤ 12V, VO = 0V

86

82

100

dB

CMVR Input Common-Mode Voltage Range

CMRR ≥ 50 dB

−5.2 5.2

V

A

VOL

Large Signal Voltage Gain

RL = 2 kΩ
VO = −4.7V to 4.7V

100

96

118

dB

RL = 10 kΩ
VO = −4.8V to 4.8V

100

96

129

V

O

Output Swing High,
measured from V

+

RL = 2 kΩ to 0V

105 130

155

mV

RL = 10 kΩ to 0V

50 75

95

Output Swing Low,
measured from V

−

RL = 2 kΩ to 0V

115 160

200

mV

RL = 10 kΩ to 0V

53 80

100

I

O

Output Short Circuit Current
(Notes 3, 9)

Sourcing VO = 0V
VIN = 100 mV

20

15

30

mA

Sinking VO = 0V
VIN = −100 mV

20

15

30

I

S

Supply Current Per Channel 1.11 1.7

2

mA

SR Slew Rate (Note 10) AV = +1, VO = 9 V

PP

10% to 90%

2.5

V/μs

GBW Gain Bandwidth Product 4.5 MHz

Φ

m

Phase Margin 67

Deg

e

n

Input-Referred Voltage Noise f = 1 kHz 20

nV/

R

OUT

Open Loop Output Impedance f = 3 MHz 70

Ω

THD+N Total Harmonic Distortion + Noise f = 1 kHz , AV = 1

RL = 10 kΩ

0.006
%

C

IN

Input Capacitance 13

pF

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LMV841 Single / LMV844 Quad

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics
Tables.

Note 2: Human Body Model, applicable std. MIL-STD-883, Method 3015.7. Machine Model, applicable std. JESD22-A115-A (ESD MM std. of JEDEC) Field­Induced Charge-Device Model, applicable std. JESD22-C101-C (ESD FICDM std. of JEDEC).

Note 3: The maximum power dissipation is a function of T

J(MAX)

, θJA, and TA. The maximum allowable power dissipation at any ambient temperature is

PD = (T

J(MAX)

- TA)/ θJA . All numbers apply for packages soldered directly onto a PC board.

Note 4: Electrical table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very limited self-heating
of the device.

Note 5: Typical values represent the most likely parametric norm as determined at the time of characterization. Actual typical values may vary over time and will
also depend on the application and configuration. The typical values are not tested and are not guaranteed on shipped production material.

Note 6: Limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlations using statistical quality
control (SQC) method.

Note 7: This parameter is guaranteed by design and/or characterization and is not tested in production.

Note 8: Positive current corresponds to current flowing into the device.

Note 9: Short circuit test is a momentary test.

Note 10: Number specified is the slower of positive and negative slew rates.

Connection Diagrams

5-Pin SC70

20168302

Top View

14–Pin TSSOP

20168304

Top View

Ordering Information

Package Part Number Package Marking Transport Media NSC Drawing

5-Pin SC70

LMV841MG

A97

1k Units Tape and Reel

MAA05A

LMV841MGX 3k Units Tape and Reel

14-Pin TSSOP

LMV844MT

LMV844MT

94 Units/Rail

MTC14

LMV844MTX 2.5k Units Tape and Reel

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LMV841 Single / LMV844 Quad

Typical Performance Characteristics At T

A

= 25°C, RL = 10 kΩ, VS = 5V. Unless otherwise specified.

VOS vs. VCM Over Temperature at 3.3V

20168310

VOS vs. VCM Over Temperature at 5.0V

20168311

V

OS

vs. VCM Over Temperature at ±5.0V

20168312

VOS vs. Supply Voltage

20168313

VOS vs. Temperature

20168314

DC Gain vs. V

OUT

20168315

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LMV841 Single / LMV844 Quad