LTC6228/LTC6229

6

Rev. B

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The l denotes the specifications which apply

over the full operating temperature range, otherwise specifications are at TA = 25°C. VS = 5V, 0V,VCM = VOUT = 2.5V, VSHDN = floating

unless otherwise noted.

ELECTRICAL CHARACTERISTICS (VS = 5V, 0V)

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

en

Input Noise Voltage Spectral Density

f = 1MHz

0.88

nV/√Hz

Integrated 1/f Noise

0.1Hz to 10Hz

0.94

μVP-P

in

Input Current Noise Spectral Density

f = 1MHz Bias Cancellation Disabled

f = 1MHz Bias Cancellation Enabled

3

6.3

pA/√Hz

pA/√Hz

CIN

Input Capacitance

Differential Mode

Common Mode

3.5

1.5

pF

pF

RIN

Input Resistance

Differential Mode

Common Mode

2.6

4

kΩ

MΩ

AVOL

Large Signal Voltage Gain

RL = 1kΩ to Half Supply, VOUT = VCM ±2

l

120

115

140

dB

dB

RL = 100Ω to Half Supply, VOUT = VCM ±2

l

106

100

120

dB

dB

CMRR

Common Mode Rejection Ratio

VCM = V– – 0.1 to V+ – 1.2V

l

97

92

110

dB

dB

VCMR

Input Common Mode Range

l

V– – 0.1

V+ – 1.2

V

PSRR+

Positive Power Supply Rejection Ratio

V– = –1V, V+ = 1.8V to 10.75V

l

100

95

110

dB

dB

PSRR–

Negative Power Supply Rejection Ratio

V+ = 1.5V, V– = –1.3V to –10.25V

l

103

100

126

dB

dB

Supply Voltage Range (V+ – V–) (Note 5)

l

2.8

11.75

V

VOL

Output Swing Low (VOUT – V–)

No Load

l

7

18

32

mV

mV

ISINK = 5mA

l

40

70

90

mV

mV

ISINK = 25mA

l

150

220

300

mV

mV

VOH

Output Swing High (VCC – V+)

No Load

l

26

48

58

mV

mV

ISINK = 5mA

l

93

144

185

mV

mV

ISOURCE = 25mA

l

255

347

459

mV

mV

ISC

Output Short-Circuit Current

Sourcing

l

–110

–65

–52

mA

mA

Sinking

l

70

45

110

mA

mA

IS

Supply Current per Channel

l

16.5

17.8

19.6

mA

mA

ISD

Disable Supply Current per Channel, Amplifier

Off

VSHDN = V+ – 2.65V

l

300

380

430

μA

μA

VL_SHDN SHDN Pin Input Voltage Low, Disable Amplifier

l

V+ – 2.65

V

VH_SHDN SHDN Pin Input Voltage High, Enable Amplifier

l

V+ – 1.6

V

VL_IBIAS SHDN Pin Input Voltage Low, Disable Bias

Cancellation

l

V+ – 1

V

VH_IBIAS SHDN Pin Input Voltage Low, Enable Bias

Cancellation

l

V+ – 0.35

V

IL_SHDN SHDN Pin Input Current, Disable Amplifier

VSHDN = V+ – 2.65V

l

–10

–2.5

10

μA