LOG114 datasheet(9/29 Pages) BURR-BROWN

9 / 29 page

LOG114

SBOS301A − MAY 2004 − REVISED MARCH 2007

www.ti.com

TYPICAL CHARACTERISTICS: VS = +5V (continued)

All specifications at TA = +25°C, RVLOGOUT = 10kΩ, VCM = GND, unless otherwise noted. For ac measurements, small signal means up to approximately 10% of dc

level.

0.45

0.40

0.35

0.30

0.25

0.20

1nA

10nA 100nA 1

µA10µA100µA 1mA 10mA

100pA

6 DECADE LOG CONFORMITY vs I

REF

REF (I1)

−10_C, 0_C, +25_C

+70

+80

+90

1.6

1.5

1.4

1.3

1.2

1.1

1.0

0.9

1nA

10nA 100nA 1

µA10µA100µA 1mA 10mA

100pA

8 DECADE LOG CONFORMITY (100pA to 3.5mA)

Input Current (I

1 or I2)

+70

+80

+25

−10_C

+90

−10

−20

−30

−40

100

10k

100k

10M

100M

SMALL−SIGNAL V

LOGOUT

Frequency (Hz)

10mA

µA

10nA

100nA

µA

100

µA

1mA

−5

−10

−15

−20

−25

−30

−35

−40

−45

−50

10k

100k

10M

100M

100

SMALL−SIGNAL AC RESPONSE I

(10% sine modulation)

Frequency (Hz)

µA

10nA

100nA

1nA

1mA

100

µA

−5

−10

−15

−20

−25

−30

−35

−40

−45

−50

10k

100k

10M

100M

100

SMALL−SIGNAL AC RESPONSE I

(10% sine modulation)

Frequency (Hz)

µA

10nA

100nA

1nA

1mA

100

µA

160

140

120

100

−20

−40

40M

100

10k

100k

3 GAIN AND PHASE vs FREQUENCY

Frequency (Hz)

225

180

135

10M

Gain

Phase

LOG114 Datasheet(PDF) 9 Page - Burr-Brown (TI)

LOG114 Datasheet(HTML) 9 Page - Burr-Brown (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Datasheet Download

Link URL