3

Electrical characteristics

Table 3. Electrical characteristics at VCC+ = 3.3 V with VCC- = 0 V, Vicm = VCC/2, Tamb = 25 ° C, and RL = 10 kΩ connected

to VCC/2 (unless otherwise specified)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

DC performance

Vio

Offset voltage

T = 25 °C

3

mV

-40 °C < T < 125 °C

5

ΔVio/ΔT

Input offset voltage drift

-40 °C < T < 125 °C

1

µV/°C

Iib

Input bias current, Vout = VCC/2

T = 25 °C

1

100 (1)

pA

-40 °C < T < 125 °C

1

200 (1)

Iio

Input offset current, Vout = VCC/2

T = 25 °C

1

100 (1)

-40 °C < T < 125 °C

1

200 (1)

CMR1

Common mode rejection ratio,

CMR = 20 log (ΔVic/ΔVio), Vic =

-0.1 V to VCC - 1.5 V, Vout = VCC/2,

RL > 1 MΩ

T = 25 °C

63

80

dB

-40 °C < T < 125 °C

59

CMR2

Common mode rejection ratio,

CMR = 20 log (ΔVic/ΔVio), Vic =

-0.1 V to VCC + 0.1 V, Vout = VCC/2,

RL > 1 MΩ

T = 25 °C

47

66

-40 °C < T < 125 °C

45

Avd

Large signal voltage gain, Vout =

0.5 V to (VCC - 0.5 V), RL > 1 MΩ

T = 25 °C

85

-40 °C < T < 125 °C

83

VOH

High-level output voltage, VOH =

VCC - Vout

T = 25 °C

70

mV

-40 °C < T < 125 °C

100

VOL

Low-level output voltage

T = 25 °C

70

-40 °C < T < 125 °C

100

Iout

Isink, Vout = VCC

T = 25 °C

4.3

5.3

mA

-40 °C < T < 125 °C

2.5

Isource, Vout = 0 V

T = 25 °C

3.3

4.3

-40 °C < T < 125 °C

2.5

ICC

Supply current, per channel, Vout =

VCC/2, RL > 1 MΩ

T = 25 °C

220

300

μA

-40 °C < T < 125 °C

350

AC performance

GBP

Gain bandwidth product

RL = 10 kΩ, CL = 100 pF

600

800

kHz

Fu

Unity gain frequency

690

ɸm

Phase margin

55

Degrees

Gm

Gain margin

9

dB

SR

Slew rate

RL = 10 kΩ, CL = 100 pF, Vout = 0.5 V to

VCC - 0.5 V

1

V/μs

en

Equivalent input noise voltage

density

f = 1 kHz

55

nV/√Hz

f = 10 kHz

29

LMC7101

Electrical characteristics

DS13567 - Rev 1

page 4/19