_______________________________________________________________________________________

7

Typical Operating Characteristics (continued)

noted.)

Pin Description

PIN

NAME

FUNCTION

1

OUTA

Output A

2

INA-

Inverting Input A

3

INA+

Noninverting Input A

Analog Positive Supply. Bypass with a 0.1µF capacitor to PGND.

5

INB+

Noninverting Input B

6

INB-

Inverting Input B

7

OUTB

Output B

8

SHDN

Active-Low Shutdown Input. Connect

Charge-Pump Positive Supply. Bypass with a 1µF capacitor to PGND.

10

C1P

Charge-Pump Flying Capacitor Positive Terminal. Connect a 1µF capacitor between C1P and C1N.

11

PGND

Power Ground

12

C1N

Charge-Pump Flying Capacitor Negative Terminal. Connect a 1µF capacitor between C1P and C1N.

13

Charge-Pump Negative Supply. Bypass with a 1µF capacitor to PGND.

14

OUTC

Output C

15

INC-

Inverting Input C

16

INC+

Noninverting Input C

17

18

IND+

Noninverting Input D

19

IND-

Inverting Input D

20

OUTD

Output D

OUTPUT NOISE SPECTRUM

vs. FREQUENCY

FREQUENCY (kHz)

15

10

5

-140

-130

-120

-110

-100

-90

-80

-70

-60

-50

-40

-150

020

OUTPUT NOISE DENSITY

vs. FREQUENCY

FREQUENCY (kHz)

5

10

15

20

25

0

15

10

5

020

Ω

OUTPUT BACKDRIVEN DURING SHUTDOWN

1ms/div

SIGNAL

SOURCE

2V/div

OUT_

2V/div

100mV/div

SHDN = 0V

EXTERNAL SIGNAL SOURCE

CONNECTED TO OUTPUT

Ω