LMP7712_15 datasheet(5/26 Pages) TI

Part #	LMP7712

Description	Single and Dual Precision, 17 MHz, Low Noise, CMOS Input Amplifiers

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Manufacturer	TI [Texas Instruments]

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LMP7711

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SNOSAP4F – SEPTEMBER 2005 – REVISED MAY 2013

5V ELECTRICAL CHARACTERISTICS (continued)

Unless otherwise noted, all limits are ensured for TA = 25°C, V

+ = 5V, V− = 0V, V

CM = V

+/2, V

EN = V

+. Boldface limits apply at

the temperature extremes.

Symbol

Parameter

Conditions

Min(1)

Typ(2)

Max(1)

Units

AVOL

Open Loop Voltage Gain

LMP7711, VO = 0.3 to 4.7V

88

107

RL = 2 kΩ to V

+/2

82

LMP7712, VO = 0.3 to 4.7V

84

90

RL = 2 kΩ to V

+/2

80

dB

LMP7711, VO = 0.3 to 4.7V

92

114

RL = 10 kΩ to V

+/2

88

LMP7712, VO = 0.3 to 4.7V

90

95

RL = 10 kΩ to V

+/2

86

VOUT

Output Voltage Swing

RL = 2 kΩ to V

+/2

32

70

High

77

RL = 10 kΩ to V

+/2

22

60

mV from

66

either rail

Output Voltage Swing

RL = 2 kΩ to V

+/2

42

70

Low

(LMP7711)

73

RL = 2 kΩ to V

+/2

50

75

(LMP7712)

78

RL = 10 kΩ to V

+/2

20

60

62

IOUT

Output Current

Sourcing to V−

46

66

VIN = 200 mV

(6)

38

mA

Sinking to V+

10.5

23

VIN = −200 mV

(6)

6.5

IS

Supply Current

LMP7711

1.15

1.40

Enable Mode VEN ≥ 4.6

1.75

mA

LMP7712 (per channel)

1.30

1.70

Enable Mode VEN ≥ 4.6

2.05

Shutdown Mode VEN ≤ 0.4

0.14

1

μA

(per channel)

4

SR

Slew Rate

AV = +1, Rising (10% to 90%)

6.0

9.5

V/

μs

AV = +1, Falling (90% to 10%)

7.5

11.5

GBW

Gain Bandwidth

17

MHz

en

Input Referred Voltage Noise Density

f = 400 Hz

7.0

nV/

√Hz

f = 1 kHz

5.8

in

Input Referred Current Noise Density

f = 1 kHz

0.01

pA/

√Hz

ton

Turn-on Time

114

ns

toff

Turn-off Time

800

ns

VEN

Enable Pin Voltage Range

Enable Mode

4.6

4.5 – 5

V

Shutdown Mode

0 – 0.5

0.4

IEN

Enable Pin Input Current

VEN = 5V

(7)

5.6

10

μA

VEN = 0V

(7)

0.005

0.2

THD+N

Total Harmonic Distortion + Noise

f = 1 kHz, AV = 1, RL = 100 kΩ

0.001

VO = 4 VPP

%

f = 1 kHz, AV = 1, RL = 600Ω

0.004

VO = 4 VPP

(6)

The short circuit test is a momentary open loop test.

(7)

Positive current corresponds to current flowing into the device.

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