LTC6246/LTC6247/LTC6248

4

Rev C

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(VS = 5V) The l denotes the specifications which apply across the

specified temperature range, otherwise specifications are at TA = 25°C. For each amplifier VS = 5V, 0V; VSHDN = 2V; VCM = VOUT =

2.5V, unless otherwise noted.

ELECTRICAL CHARACTERISTICS

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IOS

Input Offset Current

VCM = Half Supply

l

–250

–400

–10

250

400

nA

nA

VCM = V+ – 0.5V, NPN Mode

l

–250

–400

–10

250

400

nA

nA

en

Input Noise Voltage Density

f = 100kHz

4.2

nV/√Hz

Input 1/f Noise Voltage

f = 0.1Hz to 10Hz

1.6

µVP-P

in

Input Noise Current Density

f = 100kHz

2.0

pA/√Hz

CIN

Input Capacitance

Differential Mode

Common Mode

2

0.8

pF

pF

RIN

Input Resistance

Differential Mode

Common Mode

32

14

kΩ

MΩ

AVOL

Large Signal Voltage Gain

RL = 1k to Half Supply (Note 10)

l

30

14

45

V/mV

V/mV

RL = 100Ω to Half Supply (Note 10)

l

5

2.5

15

V/mV

V/mV

CMRR

Common Mode Rejection Ratio

VCM = 0V to 3.5V

l

78

76

110

dB

dB

ICMR

Input Common Mode Range

l

0

VS

V

PSRR

Power Supply Rejection Ratio

VS = 2.5V to 5.25V

VCM = 1V

l

69

65

73

dB

dB

Supply Voltage Range (Note 6)

l

2.5

5.25

V

VOL

Output Swing Low (VOUT – V–)

No Load

l

25

40

55

mV

mV

ISINK = 5mA

l

70

110

160

mV

mV

ISINK = 25mA

l

160

250

450

mV

mV

VOH

Output Swing High (V+ – VOUT)

No Load

l

70

100

150

mV

mV

ISOURCE = 5mA

l

130

175

225

mV

mV

ISOURCE = 25mA

l

300

500

750

mV

mV

ISC

Output Short-Circuit Current

Sourcing

l

–80

–35

–30

mA

mA

Sinking

l

60

40

100

mA

mA

IS

Supply Current per Amplifier

VCM = Half Supply

l

0.95

1

1.4

mA

mA

VCM = V+ – 0.5V

l

1.25

1.4

1.8

mA

mA

ISD

Disable Supply Current per Amplifier

VSHDN = 0.8V

l

42

75

200

µA

µA

ISHDNL

SHDN Pin Current Low

VSHDN = 0.8V

l

–3

–4

–1.6

0

0

µA

µA