LTC2066/LTC2067/LTC2068

3

Rev. B

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ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOS

Input Offset Voltage (Note 6)

VS = 1.7V

l

1

±5

±10

μV

μV

ΔVOS/ΔT Input Offset Voltage Drift (Note 6)

–40°C to 85°C

–40°C to 125°C

l

l

±0.03

±0.05

μV/°C

µV/°C

IB

Input Bias Current (Note 7)

±2

pA

IOS

Input Offset Current (Note 7)

±4

pA

in

Input Noise Current Spectral Density

f ≤ 100Hz

35

fA/√Hz

en

Input Noise Voltage Spectral Density

f ≤ 100Hz

90

nV/√Hz

en P-P

Input Noise Voltage

DC to 10Hz

1.9

μVP–P

CIN

Input Capacitance

Differential

Common Mode

3.3

3.5

pF

pF

VCMR

Input Voltage Range

Guaranteed by CMRR

l

(V–) – 0.1

(V+) + 0.1

V

CMRR

Common Mode Rejection Ratio (Note 8)

VCM = (V–) – 0.1V to (V+) + 0.1V

RL = 499k

l

103

100

123

dB

dB

PSRR

Power Supply Rejection Ratio

VS = 1.7V to 5.25V

RL = 499k

l

108

106

126

dB

dB

AVOL

Open Loop Gain

VOUT = (V–) + 0.1V to (V+) – 0.1V, RL = 499k

135

dB

VOL

Output Voltage Swing Low (VOUT – V–)

RL = 499k

0.05

mV

RL = 10k

l

3

10

20

mV

mV

VOH

Output Voltage Swing High (V+ – VOUT)

RL = 499k

0.1

mV

RL = 10k

l

4.5

10

50

mV

mV

ISC

Output Short Circuit Current

Sourcing

l

5.8

4

7.5

mA

mA

Sinking

l

10.4

5

13

mA

mA

SR

Slew Rate

AV = +1

17.5

V/ms

GBW

Gain Bandwidth Product

RL = 499k

100

kHz

tON

Power-Up Time

0.4

ms

fC

Internal Chopping Frequency

25

kHz

VS

Supply Voltage Range

Guaranteed by PSRR

l

1.7

5.25

V

IS

Supply Current per Amplifier

No Load

–40°C to 85°C

–40°C to 125°C

l

l

7.4

10

12.5

20

μA

μA

µA

In Shutdown (SHDN = V–)

–40°C to 85°C

–40°C to 125°C

l

l

90

170

250

500

nA

nA

nA

VH

SHDN Pin Threshold, Logic High (Referred to V–)

l

1.0

V

VL

SHDN Pin Threshold, Logic Low (Referred to V–)

l

0.65

V

ISHDN

SHDN Pin Current

VSHDN = 0V

l

–150

–20

nA

The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. Unless otherwise noted, VS = 1.8V, VCM = VOUT = VS/2, VSHDN = 1.8V,

RL to VS/2.