LM7131ACMX datasheet(6/23 Pages) NSC

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±5V AC Electrical Characteristics

Unless otherwise specified, all limits guaranteed for T

J = 25˚C, V

+ = 5V, V− = 5V, V

CM = VO = 0V and RL = 150Ω. Boldface

limits apply at the temperature extremes.

Symbol

Parameter

Conditions

Typ

(Note 5)

LM7131AC

LM7131BC

Units

Limit

(Note 6)

T.H.D.

Total Harmonic Distortion

F = 4 MHz, A

V = −2

1.5

L = 150Ω,VO = 4.0VPP

Differential Gain

(Note 10)

0.25

Differential Phase

(Note 10)

1.0

Slew Rate

L = 150Ω,CL = 5 pF

150

V/µs

(Note 9)

Slew Rate

L = 150Ω,CL = 20 pF

130

V/µs

(Note 9)

GBW

Gain-Bandwidth Product

MHz

Closed-Loop −3 dB

MHz

Bandwidth

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

tended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical characteristics.

Note 2: Human body model, 1.5 k

Ω in series with 100 pF.

Note 3: Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the

maximum allowed junction temperature of 150˚C.

Note 4: The maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(max)

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

Note 5: Typical values represent the most likely parametric norm.

Note 6: All limits are guaranteed by testing or statistical analysis.

Note 7: Connected as voltage follower with 1.5V step input. Number specified is the slower of the positive and negative slew rates. V+ = 3V and RL = 150Ω con-

nected to 1.5V. Amp excited with 1 kHz to produce VO = 1.5 VPP.

Note 8: Connected as Voltage Follower with 4.0V step input. Number specified is the slower of the positive and negative slew rates. V+ = 5V and RL = 150Ω con-

nected to 2.5V. Amp excited with 1 kHz to produce VO = 4VPP.

Note 9: Connected as Voltage Follower with 4.0V step input. Number specified is the slower of the positive and negative slew rates. V+ = 5V, V− = −5V and

RL = 150Ω connected to 0V. Amp excited with 1 kHz to produce VO = 4VPP.

Note 10: Differential gain and phase measured with a 4.5 MHz signal into a 150

Ω load, Gain = +2.0, between 0.6V and 2.0V output.

Typical Performance Characteristics

LM7131 Supply Current vs

Supply Voltage

DS012313-27

LM7131 Input Current vs

Temperature @ 3V

DS012313-28

LM7131 Input Current vs

Temperature @ 5V

DS012313-29

LM7131ACMX 数据表(PDF) 6 Page - National Semiconductor (TI)

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