Symbol

Parameter

Conditions

Min

(Note 7)

Typ

(Note 5)

Max

(Note 7)

Units

Output Buffer (From A2 (pin 4) to OUT ( pin 5 )

V

OS

Input Offset Voltage

0V

−2

−2.5

±0.5

2

2.5

mV

K2

Gain (Note 15)

LMP8602

4.975

5

5.025

V/V

LMP8603

9.95

10

10.05

I

B

Input Bias Current of A2 (Note 11)

−40

fA

±20

n A

A2 V

OUT

A2 Output Voltage Swing

(Note 12, Note 13)

V

R

LMP8602

10

40

mV

LMP8603

10

80

V

R

3.28

3.29

V

I

SC

Output Short-Circuit Current (Note 14)

Sourcing, V

-25

-38

-60

mA

Sinking, V

30

46

65

5V Electrical Characteristics (Note 2)

Unless otherwise specified, all limits guaranteed for at T

7) is grounded, 10nF between V

Symbol

Parameter

Conditions

Min

(Note 7)

Typ

(Note 5)

Max

(Note 7)

Units

Overall Performance (From -IN (pin 1) and +IN (pin 8) to OUT (pin 5) with pins A1 (pin 3) and A2 (pin 4) connected)

I

S

Supply Current

1.1

1.5

mA

A

V

Total Gain (Note 15)

LMP8602

49.75

50

50.25

V/V

LMP8603

99.5

100

100.5

Gain Drift

−40°C

−2.8

±20

ppm/°C

SR

Slew Rate (Note 8)

V

0.6

0.83

V/

μs

BW

Bandwidth

50

60

kHz

V

OS

Input Offset Voltage

0.15

±1

mV

TCV

OS

Input Offset Voltage Drift (Note 9)

−40°C

2

±10

μV/°C

e

N

Input Referred Voltage Noise

0.1 Hz − 10 Hz, 6 Sigma

17.5

μV

P-P

Spectral Density, 1 kHz

890

nV/

PSRR

Power Supply Rejection Ratio

DC 4.5V

70

90

dB

Mid−scale Offset Scaling Accuracy

LMP8602

±0.25

±1

%

Input Referred

±0.50

mV

LMP8603

±0.45

±1.5

%

Input Referred

±0.375

mV

Preamplifier (From input pins -IN (pin 1) and +IN (pin 8) to A1 (pin 3))

R

CM

Input Impedance Common Mode

0V

250

295

350

k

Ω

−20V

165

193

250

k

Ω

R

DM

Input Impedance Differential Mode

0V

500

590

700

k

Ω

−20V

300

386

500

k

Ω

V

OS

Input Offset Voltage

V

±0.15

±1

mV

DC CMRR DC Common Mode Rejection Ratio

−20V

90

105

dB

AC CMRR

AC Common Mode Rejection Ratio

(Note 10)

f = 1 kHz

80

96

dB

f = 10 kHz

83

CMVR

Input Common Mode Voltage Range

for 80 dB CMRR

−22

60

V

K1

Gain (Note 15)

9.95

10

10.05

V/V

R

F-INT

Output Impedance Filter Resistor

99

100

101

k

Ω

3

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