PCA9512B(2011) Просмотр технического описания (PDF) - NXP Semiconductors.

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Компоненты Описание

производитель

PCA9512B
(Rev.:2011)

Level shifting hot swappable I2C-bus and SMBus bus buffer

NXP Semiconductors. 

NXP Semiconductors

PCA9512A; PCA9512B

Level shifting hot swappable I2C-bus and SMBus bus buffer

11.1 Typical performance characteristics

2.15

ICC

(mA)

1.95

VCC = 5.5 V

3.3 V

2.7 V

1.75

1.55

002aab795

12

Itrt(pu)

(mA)

8

4

002aab796

VCC = 5 V

3.3 V

2.7 V

1.35

−40

+25

+90

Tamb (°C)

0

−40

+25

+90

Tamb (°C)

ICC2 (pin 1) typical current averages 0.1 mA less than ICC

on pin 8.

Fig 11. ICC versus temperature

Fig 12. Itrt(pu) versus temperature

90

tPHL

(ns)

VCC = 5.5 V

002aab589

350

VO − VI

(mV)

002aab591

80

250

2.7 V

3.3 V

70

60

−40

+25

+90

Tamb (°C)

Ci = Co > 100 pF; RPU(in) = RPU(out) = 10 kΩ

Fig 13. Input/output tPHL versus temperature

150

50

0

VCC = 5 V

3.3 V

10

20

30

40

RPU (kΩ)

VCC = 3.3 V or 5.5 V

Fig 14. Connection circuitry VO − VI

PCA9512A_PCA9512B

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 5 — 5 January 2011

© NXP B.V. 2011. All rights reserved.

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