Data Sheet

ADA4511-2

SPECIFICATIONS

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Rev. A | 4 of 28

ELECTRICAL SPECIFICATIONS

V+ = +20 V, V− = −20 V, common-mode voltage (VCM) = 0 V, load resistor (RL) = 10 kΩ to midsupply, ambient temperature (TA) = 25°C, unless

otherwise noted.

Table 1. Electrical Specifications

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage (VOS)

VCM = 0 V, (V+) − 1.5 V

±25

±75

μV

Offset Voltage Drift (ΔVOS/ΔT)

VCM = 0 V

−40°C < TA < +125°C

±0.4

±2

µV/°C

VCM = (V+) − 1.5 V

−40°C < TA < +125°C, SOIC_N

±0.7

±4.4

µV/°C

−40°C < TA < +125°C, MSOP

±0.9

±5

µV/°C

Input Bias Current (IB)

±4

±10

pA

−40°C < TA < +85°C

±0.8

nA

−40°C < TA < +125°C, SOIC_N

±18

nA

−40°C < TA < +125°C, MSOP

±45

nA

Input Offset Current (IOS)

±1.5

±5

pA

−40°C < TA < +85°C

±0.15

nA

−40°C < TA < +125°C

±5

nA

Input Voltage Range (IVR)

CMRR > 99 dB

(V−) − 0.15

V+

V

Common-Mode Rejection Ratio

(CMRR)

−20.15 V < VCM < 17 V

121

140

dB

−40°C < TA < +125°C, −20 V < VCM < 17 V

109

dB

Open-Loop Voltage Gain (AVOL)

RL = 10 kΩ, −19.7 V < VOUT < 19.7 V

126

140

dB

−40°C < TA < +125°C

112

dB

RL = 2 kΩ, −19.1 V < VOUT < 19.1 V

121

134

dB

−40°C < TA < +125°C

106

dB

Input Capacitance

Differential Mode (CINDM)

20

pF

Common Mode (CINCM)

2

pF

Input Resistance

Differential Mode (RINDM)

1

TΩ

Common Mode (RINCM)

10

TΩ

NOISE PERFORMANCE

Voltage Noise (en p-p)

0.1 Hz to 10 Hz

1

µV p-p

0.1 Hz to 10 Hz, VCM = (V+) − 1.5 V

2.7

µV p-p

Voltage Noise Density (en)

f = 100 Hz

8

nV/√Hz

f = 1 kHz

5

nV/√Hz

f = 100 Hz, VCM = (V+) − 1.5 V

20

nV/√Hz

f = 1 kHz, VCM = (V+) − 1.5 V

10

nV/√Hz

Current Noise Density (In)

f = 10 Hz

4

fA/√Hz

OUTPUT CHARACTERISTICS

Output Swing High (VOH)

((V+) − VOUT)

RL = 10 kΩ

100

116

mV

RL = 2 kΩ

430

473

mV

Output Swing Low (VOL)

(VOUT − (V−))

RL = 10 kΩ

73

85

mV

RL = 2 kΩ

310

342

mV

Output Current (IOUT)

(VOH, VOL) < 1 V

±22

mA

Short-Circuit Current (ISC)

Sourcing/sinking

55/70

mA