LTC6246/LTC6247/LTC6248

6

Rev C

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ELECTRICAL CHARACTERISTICS (VS = 2.7V) The l denotes the specifications which apply across the

specified temperature range, otherwise specifications are at TA = 25°C. For each amplifier VS = 2.7V, 0V; VSHDN = 2V; VCM = VOUT =

1.35V, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

IB

Input Bias Current (Note 7)

VCM = Half Supply

l

–450

–600

–100

450

600

nA

nA

VCM = V+ – 0.5V, NPN Mode

l

50

0

350

1000

1500

nA

nA

IOS

Input Offset Current

VCM = Half Supply

l

–250

–350

–10

250

350

nA

nA

VCM = V+ – 0.5V, NPN Mode

l

–250

–350

–10

250

350

nA

nA

en

Input Noise Voltage Density

f = 100kHz

4.6

nV/√Hz

Input 1/f Noise Voltage

f = 0.1Hz to 10Hz

1.7

µVP-P

in

Input Noise Current Density

f = 100kHz

1.8

pA/√Hz

CIN

Input Capacitance

Differential Mode

Common Mode

2

0.8

pF

pF

RIN

Input Resistance

Differential Mode

Common Mode

32

12

kΩ

MΩ

AVOL

Large Signal Voltage Gain

RL = 1k to Half Supply

(Note 12)

l

15

7.5

25

V/mV

V/mV

RL = 100Ω to Half Supply

(Note 12)

l

2

1.3

7.5

V/mV

V/mV

CMRR

Common Mode Rejection Ratio

VCM = 0V to 1.2V

l

80

78

100

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

20

40

55

mV

mV

ISINK = 5mA

l

80

125

160

mV

mV

ISINK = 10mA

l

110

175

225

mV

mV

VOH

Output Swing High (V+ – VOUT)

No Load

l

60

85

100

mV

mV

ISOURCE = 5mA

l

135

190

225

mV

mV

ISOURCE = 10mA

l

180

275

400

mV

mV

ISC

Short Circuit Current

Sourcing

l

–35

–20

–15

mA

mA

Sinking

l

25

20

50

mA

mA

IS

Supply Current per Amplifier

VCM = Half Supply

l

0.89

1

1.3

mA

mA

VCM = V+ – 0.5V

l

1

1.3

1.7

mA

mA