LMP8645 datasheet(2/16 Pages) NSC

2 / 16 page

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

For input pins +IN, -IN

±5000V

For all other pins

±2000V

Machine Model

200V

Charge device model

1250V

Supply Voltage (V

S = V

+ - V−)

13.2V

Differential voltage +IN- (-IN)

Voltage at pins +IN, -IN

LMP8645HV

-6V to 80V

LMP8645

-6V to 60V

Voltage at R

G pin

13.2V

Voltage at OUT pin

V- to V+

Storage Temperature Range

-65°C to 150°C

Junction Temperature (Note 3)

150°C

For soldering specifications,

see product folder at www.national.com and

www.national.com/ms/MS/MS-SOLDERING.pdf

Operating Ratings (Note 1)

Supply Voltage (V

S = V

+ - V−)

2.7V to 12V

Temperature Range (Note 3)

-40°C to 125°C

Package Thermal Resistance(Note 3)

TSOT-6

96°C/W

2.7V Electrical Characteristics (Note 4)

Unless otherwise specified, all limits guaranteed for at T

A = 25°C, VS=V

+ – V-, V+ = 2.7V, V− = 0V, −2V < V

CM < 76V, RG= 25kΩ,

L = 10 MΩ. Boldface limits apply at the temperature extremes.

Symbol

Parameter

Condition

Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

Input Offset Voltage

CM = 2.1V

-1

-1.7

1.7

TCV

Input Offset Voltage Drift(Note 7,

Note 9)

CM = 2.1V

μV/°C

Input Bias Current(Note 10)

CM = 2.1V

μA

Input Voltage Noise (Note 9)

f > 10 kHz, R

G = 5 kΩ

120

nV/

SENSE(MAX)

Max Input Sense Voltage (Note 9) V

CM = 12V, RG = 5 kΩ

600

Gain A

Adjustable Gain Setting (Note 9)

CM = 12V

100

V/V

Transconductance

CM = 2.1V

200

µA/V

Accuracy

CM = 2.1V

-2

-3.4

3.4

Gm drift(Note 9)

−40°C to 125°C, V

CM=2.1V

140

ppm /°C

PSRR

Power Supply Rejection Ratio

CM = 2.1V, 2.7V < V

+ < 12V

CMRR

Common Mode Rejection Ratio

LMP8645HV 2.1V < V

CM < 76V

LMP8645 2.1V < V

CM< 42V

-2V <V

CM < 2V

−3 dB Bandwidth (Note 9)

G = 10 kΩ,, CG = 4 pF VSENSE = 400 mV,

L = 30 pF ,RL= 1MΩ

990

kHz

G = 25 kΩ, CG = 4 pF, VSENSE = 200 mV,

L = 30 pF, RL = 1MΩ

260

Rg = 50k

Ω, C

G = 4 pF, VSENSE = 100 mV,

L = 30 pF, RL = 1MΩ

135

Slew Rate(Note 8, Note 9)

CM =5V, CG = 4 pF, VSENSE from 25 mV

to 175 mV, C

L = 30 pF, RL = 1MΩ

0.5

V/µs

Supply Current

CM = 2.1V

380

525

710

CM = −2V

2000

2500

2700

OUT

Maximum Output Voltage

CM = 2.1V, Rg= 500 kΩ

1.2

Minimum Output Voltage

CM = 2.1V

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