ISL43140IBZ datasheet(11/17 Pages) RENESAS

11 / 17 page

ISL43140, ISL43141, ISL43142

FN6032 Rev 2.00

Page 11 of 17

Aug 24, 2015

Reverse ESD protection diodes are internally connected

between each analog-signal pin and both V+ and V-. One of

these diodes conducts if any analog signal exceeds V+ or V-.

Virtually all the analog leakage current comes from the ESD

diodes to V+ or V-. Although the ESD diodes on a given signal

pin are identical and therefore fairly well balanced, they are

reverse biased differently. Each is biased by either V+ or V-

and the analog signal. This means their leakages will vary as

the signal varies. The difference in the two diode leakages to

the V+ and V- pins constitutes the analog-signal-path leakage

current. All analog leakage current flows between each pin and

one of the supply terminals, not to the other switch terminal.

This is why both sides of a given switch can show leakage

currents of the same or opposite polarity. There is no

connection between the analog signal paths and GND.

Typical Performance Curves TA = 25°C, Unless Otherwise Specified

FIGURE 9. ON RESISTANCE vs POSITIVE SUPPLY VOLTAGE

FIGURE 10. ON RESISTANCE vs SWITCH VOLTAGE

FIGURE 11. ON RESISTANCE vs SWITCH VOLTAGE

FIGURE 12. CHARGE INJECTION vs SWITCH VOLTAGE

V+ (V)

2468

100

150

200

250

300

3579

-40°C

85°C

25°C

V- = 0V

100

120

100

V- = -3V

V- = -5V

VCOM = (V+) - 1V

ICOM = 1mA

-40°C

85°C

25°C

-40°C

85°C

25°C

VCOM (V)

0246

3579

-40°C

85°C

V+ = 12V

V- = 0V

115

135

100

150

200

250

25°C

V+ = 3V

V+ = 5V

25°C

-40°C

85°C

25°C

-40°C

85°C

V- = 0V

ICOM = 1mA

VCOM (V)

-4

-2

024

-5

-3

-1

VS =5V

100

120

VS =3V

100

140

180

ICOM = 1mA

VS =2V

25°C

85°C

25°C

-40°C

85°C

25°C

-40°C

85°C

-40°C

VCOM (V)

-5

-10

-5

-2.5

2.5

7.5

12.5

-7.5

-2.5

2.5

VS =5V

V+ = 5V

V+ = 3V

V+ = 12V

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