Data Sheet

ADA4098-1/ADA4098-2

SPECIFICATIONS

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Rev. B | 3 of 33

5 V SUPPLY

Common-mode voltage (VCM) = 2.5 V, SHDN pin (ADA4098-1) and SHDNx pins (ADA4098-2 10-lead LFCSP) are open, load resistance (RL) =

499 kΩ to midsupply, and ambient temperature (TA) = 25°C, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

B Grade

H Grade

Unit

Min

Typ

Max

Min

Typ

Max

DC PERFORMANCE

Input Offset Voltage (VOS)1

0.25 V < VCM < 3.25 V

±15

±35

±15

±35

µV

Minimum temperature (TMIN) < TA <

maximum temperature (TMAX)

±90

±100

µV

0.25 V < VCM < 70 V

±20

±40

±20

±40

µV

0.25 V < VCM < 70 V (LFCSP)

±20

±200

±20

±200

µV

TMIN < TA < TMAX

±135

±135

µV

−0.1 V < VCM < +70 V

±20

±40

±20

±40

µV

−0.1 V < VCM < +70 V (LFCSP)

±20

±200

±20

±200

µV

TMIN < TA < TMAX

±200

±250

µV

Input Offset Voltage Drift2

TMIN < TA < TMAX

±0.1

±0.5

±0.1

±0.8

µV/°C

Input Bias Current (IB)

±0.35

±0.7

±0.35

±0.7

nA

TMIN < TA < TMAX

±10

±25

nA

VCM = 70 V, Over-The-Top

3.5

8

12

3.5

8

12

µA

TMIN < TA < TMAX

1.75

14.8

1.5

15

µA

0 V < VCM < 70 V, power supply

voltage (VSY) = 0 V

0.001

1

0.001

1

µA

TMIN < TA < TMAX

10

10

µA

Input Offset Current (IOS)

±350

±700

±350

±700

pA

TMIN < TA < TMAX

±5

±15

nA

VCM = 70 V, Over-The-Top3

±0.05

±0.15

±0.05

±0.15

µA

TMIN < TA < TMAX

±0.2

±0.2

µA

Common-Mode Rejection Ratio

(CMRR)

VCM = −0.1 V to +70 V

120

140

120

140

dB

TMIN < TA < TMAX

110

109

dB

VCM = 0.25 V to 3.25 V

116

134

116

134

dB

TMIN < TA < TMAX

110

110

dB

Common-Mode Input Range

Guaranteed by CMRR tests

−0.1

+70

−0.1

+70

V

Large Signal Voltage Gain (AOL) Delta output voltage (ΔVOUT) = 3.5 V

126

150

126

150

dB

TMIN < TA < TMAX

120

120

dB

ΔVOUT = 3.5 V, RL = 10 kΩ

112

122

112

122

dB

TMIN < TA < TMAX

106

106

dB

NOISE PERFORMANCE

Input Voltage Noise

Frequency (f) = 0.1 Hz to 10 Hz

400

400

nV p-p

1/f noise corner

6

6

Hz

f = 100 Hz

17

17

nV/√Hz

Over-The-Top

f = 100 Hz, VCM > 5 V

20

20

nV/√Hz

Input Current Noise

f = 100 Hz

0.15

0.15

pA/√Hz

Over-The-Top

f = 100 Hz, VCM > 5 V

1.8

1.8

pA/√Hz