4

®

IVC102

10

100

1000

C

IN (pF)

TOTAL OUTPUT NOISE vs C

IN

1000

100

10

1

rms Variation

of 100 Measurement

Cycles, T

INT = 1ms.

C

INT = 10pF

C

INT = 30pF

C

INT = 100pF

C

INT = 300pF

C

INT = 1000pF

Reset Mode, S

1 Open, S2 Closed.

TYPICAL PERFORMANCE CURVES

At TA = +25°C, VS = ±15V, RL = 2kΩ, CINT = C1 + C2 + C3, 1ms integration period, unless otherwise specified.

–50

–25

0

25

50

75

100

125

Temperature (°C)

INPUT BIAS CURRENT vs TEMPERATURE

100p

10p

1p

100f

10f

S

1, S2 Open

0

100

200

300

400

500

600

700

800

900 1000

C

INT (pF)

RESET TIME vs C

INT

30

25

20

15

10

5

0

Time Required to

Reset from ±10V

to 0V.

0.01%

1%

10

100

1000

Input Capacitance, C

IN (pF)

S

1 CHARGE INJECTION vs INPUT CAPACITANCE

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

100pF

∆V

O =

∆Q

100pF

S

1

C

IN

10

100

1000

Input Capacitance, C

IN (pF)

S

2 CHARGE INJECTION vs INPUT CAPACITANCE

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

(V+) = +18V

(V+) = +15V

(V+) = +4.75V

100pF

∆V

O =

∆Q

100pF

C

IN

S

2