TCA8418 Datasheet, PDF (27/37 Pages) Texas Instruments – I2C CONTROLLED KEYPAD SCAN IC WITH INTEGRATED ESD PROTECTION

TCA8418
www.ti.com ......................................................................................................................................................................................... SCPS215 – SEPTEMBER 2009
TYPICAL CHARACTERISTICS (continued)
T_A = 25°C (unless otherwise noted)
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
44
V_CC = 3.3 V
33
T_A = -40°C
T_A = 25°C
T_A = 85°C
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
44
V_CC = 3.6 V
T_A = -40°C
33
T_A = 25°C
T_A = 85°C
22
22
11
11
0
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
V_CCP - V_OH (V)
V_CCP - V_OH (V)
I/O HIGH VOLTAGE
vs
TEMPERATURE
350
300
V_CC = 1.8 V, I_OH = -10 m A
250
200
V_CC = 3.3 V, I_OH = -10 m A
150
100
50
0
-40
-15
10
35
60
85
Tem perature, T_A (°C)
Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TCA8418
Submit Documentation Feedback
27