tr - Rise Time (ns)

0

50

100

150

200

250

300

0

100

200

300

400

D001

VCCB = 2.5 V

TCA9800

TCA9801

TCA9802

TCA9803

tr - Rise Time (ns)

0

50

100

150

200

250

300

0

100

200

300

400

D001

VCCB = 3.3 V

TCA9800

TCA9801

TCA9802

TCA9803

tr - Rise Time (ns)

0

50

100

150

200

250

300

0

100

200

300

400

D001

VCCB = 1.65 V

TCA9800

TCA9801

TCA9802

TCA9803

tr - Rise Time (ns)

0

50

100

150

200

250

300

0

100

200

300

400

D001

VCCB = 1.8 V

TCA9800

TCA9801

TCA9802

TCA9803

tr - Rise Time (ns)

0

30

60

90

120

150

180

210

240

270

300

0

100

200

300

400

TCA9800 (1.65 V)

TCA9800 (3.6 V)

TCA9801 (1.65 V)

TCA9801 (3.6 V)

TCA9802 (1.65 V)

TCA9802 (3.6 V)

TCA9803 (1.65 V)

TCA9803 (3.6 V)

D001

tr - Rise Time (ns)

0

30

60

90

120

150

180

210

240

270

300

0

100

200

300

400

TCA9800 (1.65 V)

TCA9800 (3.6 V)

TCA9801 (1.65 V)

TCA9801 (3.6 V)

TCA9802 (1.65 V)

TCA9802 (3.6 V)

TCA9803 (1.65 V)

TCA9803 (3.6 V)

D001

22

TCA9803

SCPS267B – MARCH 2017 – REVISED FEBRUARY 2020

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Copyright © 2017–2020, Texas Instruments Incorporated

10.2.1.3 Application Curves

The application curves can be used to select the appropriate part for a given design requirement, or to estimate

the rise-time.

Figure 22. Maximum Load Capacitance vs Rise Time (400-

kHz I2C)

Figure 23. Maximum Load Capacitance vs Rise Time (100-

kHz I2C)

Figure 24. Maximum Load Capacitance vs Rise Time (400-

kHz I2C, VCCB = 1.65 V)

Figure 25. Maximum Load Capacitance vs Rise Time (400-

kHz I2C, VCCB = 1.8 V)

Figure 26. Maximum Load Capacitance vs Rise Time (400-

kHz I2C, VCCB = 2.5 V)

Figure 27. Maximum Load Capacitance vs Rise Time (400-

kHz I2C, VCCB = 3.3 V)