5

LTC1090

1090fc

On and Off Channel Leakage Current

TEST CIRCUITS

SCLK

0.8V

2.4V

0.4V

2.4V

0.4V

LTC1090 • TC02

5V

OFF

CHANNELS

ON CHANNELS

POLARITY

A

A

LTC1090 • TC01

ACLK

CS

WAVEFORM 1

(SEE NOTE 1)

WAVEFORM 2

(SEE NOTE 2)

1

NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH THAT THE OUTPUT

IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL

NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH THAT THE OUTPUT

IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL

2

LTC1090 • TC03

2.4V

90%

2.0V

0.4V

10%

3k

100pF

1.4V

TEST POINT

LTC1090 • TC05

WAVEFORM 1

3k

100pF

TEST

POINT

WAVEFORM 2

5V

LTC1090 • TC04